Before going further, let us first try to understand what Bernoulli's equation is. Whoa! foot = 95760.517960678 pascal [Pa], 1 ton-force (short)/sq. 3 decimals Math can be difficult, but with a little practice, it can be easy! To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. You can also use this calculator to convert PSI to gallons per hour. Cubic kilometers per day In Cubic Ft/Minute: 1.33 Cubic Ft per Minute / 1 atm + 2 atm = 0.44 Cubic Ft per Minute. = 0.00016666666666667 (cubic meter) per second, = 0.00033333333333333 (cubic meter) per second, = 0.00066666666666667 (cubic meter) per second, = 0.00083333333333333 (cubic meter) per second, = 0.0011666666666667 (cubic meter) per second, = 0.0013333333333333 (cubic meter) per second, = 0.0016666666666667 (cubic meter) per second. 5.52. 5 Which is the SI unit for volume flow rate? Cubic millimeters per minute (mm/min) Cubic meters per year Acre-feet per hour Volumetric Flow Rate Conversion Calculator - High RPM = Rotations Per Minute. Cubic decimeters per hour (dm/h) This cookie is set by GDPR Cookie Consent plugin. This means that most people who have used this product are happy with it. Congrats! We launched the first version of our online units converter in 1995. It does not store any personal data. Which is the SI unit for volume flow rate? Web1.1 atm x 14.696 = 16.166 PSI: bar bar bar: atm MPa PSI: 0.98692 0.1 14.504: 10 bar x 0.98692 = 9.8692 atm 10 bar x 0.1 = 1.0 MPa 10 bar x 14.504 = 145 PSI: MPa (megapascal)* MPa MPa: atm bar (liter / minute) l/min l/min: CFM l/s m 3 /h: 0.0353 0.0167 0.06: 100 l/min x 0.0353 = 3.5 CFM 100 l/min x 0.0167 = 1.7 l/s 100 l/min x 0.06 = Bushels per minute (U.S.) Liters Per Minute Flow Conversion - CalcuNation.com Hence, they do not measure the same physical quantity. WebHere, we will show you how to work with Convert gpm to psi calculator. The cookies is used to store the user consent for the cookies in the category "Necessary". calculator Cubic feet per second (ft/s) How do you convert LPM to PSI? Sage-Advices 60. Engineering ToolBox How do you convert bar pressure to liters per minute? It is to be noted that here we are assuming that the cross-sectional area of the pipe is negligible as compared to the cross-sectional area of the tank. Cubic decimeters per second (dm/s) Webenter the volume of the tank in litres; enter the kick in pressure; shut off pressure ( maximum pressure) time in seconds it takes from step 2 to step 3; The Results. Copely Developments Ltd will use the information you provide on this form to be in touch with youoccasionally about interesting stories, new products and upcoming events. This is a modal window. 30 liters per minute. Cubic feet per day We can define 1 psi as the pressure due to a force of one pound-force applied on an area of one square inch. My problem is that I need to know how many liters per minute Do my Cubic centimeters per minute (cm/min) Add the atmospheric pressure to the result from step 3, and you will get the pressure in PSI. Using Bernoulli's equation for fluid flow at constant depth, we can write: Hence, to determine the velocity, we should take the pressure difference between the two points, multiply it by 2, divide the result by the density of water and then take its square root. Once we have the velocity, we can easily calculate the flow rate by multiplying it with the pipe's cross-sectional area. Convert Volumetric flow rate, Liters per minute With this being the case, they will be accurate to within 10% of the actual results obtained. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. To calculate PSI from GPM and pipe diameter, proceed as follows: Calculate the cross-sectional area of the pipe using the given diameter. The service was slow. To determine flow rate from velocity, you should multiply the velocity by the cross-sectional area. Per hour The sleep calculator can help you determine when you should go to bed to wake up happy and refreshed. Air Flow Conversion Calculator - engineering.com Using this information, we can determine the flow rate (Q) as follows: Answer: In this example, the water flows through the circular channel at a rate of 5.584 ft3/s. Flow Rate Calculator - Pressure and Diameter | Copely This cookie is set by GDPR Cookie Consent plugin. Bushels per hour (Imperial) Hope you have made all your conversions PU vs PVC: Which is Best for Your Application? The cookie is used to store the user consent for the cookies in the category "Performance". your browser settings. pressure. Telephone: +44 (0)116 240 1500 Email: sales@copely.com, Telephone: 0116 240 1500 Bushels per day (Imperial) 10 decimals. Air velocity (distance traveled per unit of time) is usually expressed in Linear Feet per Minute (LFM). Bushels per hour (U.S.) psi calculator PSI Cubic meters per year Specific psi per 1000 feet, Algebraic expression constant and variable, Answer choices are rounded to the hundredths place, Ca foundation ratio and proportion questions, Find the nth term of the geometric sequence worksheet, How to add improper fractions and whole numbers, How to determine frequency from wavelength, Solving distributive property equations calculator, Statistics final exam review with answers, The delhi sultanate class 7 questions and answers. Volume flow is usually measured in Cubic Feet per Minute (CFM). With a radius, for instance, of 0.05 meters, 0.05 ^ 2 = 0.0025. Video Player is loading. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. These cookies ensure basic functionalities and security features of the website, anonymously. The surface character of the bore, the number, and shape of bends incorporated in the run of the hose also influence the flow rate. Web1000 ft3/(psi.d) (thousand cubic foot per day) per psi: 4.7534853812003064E-08: L/(bar.min) (litre per minute) per bar: 1.6666666666666666E-10: bbl/(kPa.d) (barrel per To switch the unit simply find the one you want on the page Cubic decimeters per minute (dm/min) Cubic meters per minute (m/min) Does the page look too crowded with so many units? Litres. Million gallons per day (Imperial) You can embed our Flow Rate Calculator into your own website by copying the code below. Disclaimer: Whilst every effort has been made in building our calculator tools, we are not to be held Cubic kilometers per year In the next section, we will see how to calculate GPM from pressure. Gallons per year (U.S. liquid) Per year Our goal is to make units conversion as easy as possible. L Come visit us These cookies track visitors across websites and collect information to provide customized ads. millimeter = 9806650 pascal [Pa], 1 gram-force/sq. 0.4 litres) by 10. WebYou can calculate the flow rate, volume and pressure in a water tank using formulas from physics. We also use third-party cookies that help us analyze and understand how you use this website. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Cubic millimeters per hour (mm/h) This allows for immediate feedback and clarification if needed. liter per minute to cubic meter per second, liter per minute to cubic meter per minute, liter per minute to cubic centimeter per second, liter per minute to cubic centimeter per minute, liter per minute to cubic centimeter per hour, liter per minute to cubic centimeter per day, liter per minute to cubic centimeter per year, liter per minute to barrel (petroleum) per second, liter per minute to barrel (petroleum) per minute, liter per minute to barrel (petroleum) per hour, liter per minute to barrel (petroleum) per day, liter per minute to barrel (petroleum) per year, liter per minute to U.S. gallon per second, liter per minute to U.S. gallon per minute, liter per minute to British gallon per second, liter per minute to British gallon per minute, liter per minute to British gallon per hour, liter per minute to British gallon per day, liter per minute to British gallon per year, liter per minute to cubic foot per second, liter per minute to cubic foot per minute, liter per minute to cubic inch per second, liter per minute to cubic inch per minute. You can unsubscribe at any time. The psi to gallons per minute calculator will display the flow rate in gallons per minute ( 1411.3 gpm ). Liters per hour (l/h) You can hide the blocks you don't need by clicking on the block headline. You can also use this calculator to convert psi to gallons per hour by choosing the unit from the drop-down menu. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Bushels per minute (Imperial) But opting out of some of these cookies may affect your browsing experience. Enter the value you want to convert (liter per minute). To calculate GPM from pressure in PSI for water, follow these steps: Measure the pressure inside the tank using a pressure gauge. With this tool, it is possible to easily calculate the average volumetric flow rate of fluids by changing each of the three variables: length, pressure and bore diameter. By clicking Accept All, you consent to the use of ALL the cookies. 1 decimals Conversion Tables | CEJN (UK) Cubic kilometers per second (km/s) Critical pressure ratio. The average satisfaction rating for this product is 4.7 out of 5. To convert inch = 13789514.586338 pascal [Pa], 1 ton-force (long)/square foot = 107251.78011595 pascal [Pa], 1 ton-force (long)/square inch = 15444256.336697 pascal [Pa], 1 kip-force/square inch = 6894757.2931783 pascal [Pa], 1 pound-force/square foot = 47.8802589804 pascal [Pa], 1 pound-force/square inch = 6894.7572931783 pascal [Pa], 1 poundal/square foot = 1.4881639436 pascal [Pa], 1 torr [Torr] = 133.3223684211 pascal [Pa], 1 centimeter mercury (0C) = 1333.22 pascal [Pa], 1 millimeter mercury (0C) = 133.322 pascal [Pa], 1 inch mercury (32F) [inHg] = 3386.38 pascal [Pa], 1 inch mercury (60F) [inHg] = 3376.85 pascal [Pa], 1 centimeter water (4C) = 98.0638 pascal [Pa], 1 millimeter water (4C) = 9.80638 pascal [Pa], 1 inch water (4C) [inAq] = 249.082 pascal [Pa], 1 foot water (4C) [ftAq] = 2988.98 pascal [Pa], 1 inch water (60F) [inAq] = 248.843 pascal [Pa], 1 foot water (60F) [ftAq] = 2986.116 pascal [Pa], 1 atmosphere technical [at] = 98066.500000003 pascal [Pa]. Cubic miles per day ML/min is a measure of volume flow rate. Million gallons per day (Imperial) Remember, if you would like some assistance in choosing the right hose for your application or sector, please feel free to contact one of our helpful team members on 0116 240 1500 or email sales@copely.com. We and our partners use cookies to Store and/or access information on a device. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. While other units are used for different applications (such as inches of water column, Pascals, Bar, Torr, inHg, etc. Pressure. If you're struggling with your homework, don't hesitate to ask for help. Input the diameter of the pipe (2.5 inches). Flow Rate Conversions | Pure Gas Products Check out our Math Homework Helper for tips and tricks on how to tackle those tricky math problems. With a pressure drop, for instance, of 80,000 pascals, 0.0025 x 80,000 = 200. Please Regards Hennie There is no direct relationship between the pressure and the flow. Cubic millimeters per minute (mm/min) Get instant Bushels per day (U.S.) Cubic centimetres per second (cm/s) WebStandard flow, Standard Liters per Minute, (SLPM) Standard Conditions for the calculation of SLPM are defined as: Tn= 0 C, (32 F) Pn= 1.01 bara, (14.72 psia) Note: the definition of SLPM conditions are consistent with the calibration of the CME. Million gallons per day (U.S. liquid) Where, theta [in radians] is the central angle between the lines drawn from the center of the pipe to the water surface at each side. Sign up to our exclusive email newsletter to get the latest news and offers from Copely. Need to work out the Pressure Drop of fluids moving through a tube or pipe? Gallons per second (U.S. liquid) Omni's PSI to GPM calculator allows you to determine water's flow rate in GPM from the PSI reading of a pressure gauge. You also have the option to opt-out of these cookies. Please make sure JavaScript is not disabled in Cubic kilometers per second (km/s) convert psi to liters per min - OnlineConversion Forums 120. Liters per hour (l/h) You can also enter the cross-sectional area of the pipe. ? free air available @ kick in pressure in litres per min; conversion from L/min to cfm. WebTo find the flow rate Q, we multiply 0.0008 by 15 to get 0.012 cubic meters per second. Cubic inches per year Gallons per hour (U.S. liquid) Cubic centimeters per year Gallons per day (U.S. liquid) gallon/secondgallon/minutegallon/hourgallon/daygallon [UK]/secondgallon [UK]/minutegallon [UK]/hourgallon [UK]/daycubic meter/secondcubic meter/minutecubic meter/hourcubic meter/daycubic foot/secondcubic foot/minutecubic foot/hourcubic foot/dayliter/secondliter/minuteliter/hourliter/day. Air Velocity is measurement of the rate of displacement of air or gas at a specific location. Bushels per hour (Imperial) 40. WebConvert Volumetric flow rate, Liters per minute Liters per minute (l/min - Per minute), volumetric flow rate Type the number of Liters per minute (l/min) you want to convert in Gallons per second (Imperial) Cubic millimeters per hour (mm/h) This is a conversion chart for liter per minute (Metric). There Exagram/liter to Psi/1000 Feet Conversion Table. Bushels per year (Imperial) How do you calculate pressure in a pipe flow? It is usually denoted by the Q symbol. Otherwise this site will not work For more detailed information, please consult our Privacy Notice. How do I choose between my boyfriend and my best friend? Cubic meters per second (m/s) Webliters per minute: 1: L/min: liters per second: 0.016666666666667: L/sec: milliliters per hour: 60,000: mL/hour: milliliters per minute: 1,000: mL/min: milliliters per second: 4.14. Bushels per second (Imperial) Liters per second (l/s) Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Gallons per minute (U.S. liquid) How to calculate GPM from PSI and pipe size? - Part of the COBA Group of companies. Flow Rate Calculator - Calculate the flow rate of a pipe The consent submitted will only be used for data processing originating from this website. How do you convert bar pressure to liters per minute? Acre-feet per second Gallons per year (Imperial) In just five seconds, you can get the answer to any question you have. Calculate Water Flow, Volume & Pressure Functional cookies help to improve your user experience when navigating our website. 9 decimals As it is under 10 litres (1 bar) at 4 litres a minute, it is a low pressure system at 0.4 bar. Calculator Do you feel like you could be doing something more productive or educational while on a bus? Please pick one from the list. Liters per day Cubic centimeters per hour (cm/h) and enjoyed Convert-me.Com. Convert everyday units into weird and wonderful ones, using the weird units converter. 3 How do you calculate flow rate in minutes? the. Cubic kilometers per minute (km/min) Cubic kilometers per day Copy the code below to embed the Flow Rate Calculator on your website. The pressure is sometimes stated as head of water. liable for any damages or monetary losses arising out of or in connection with their use. Cubic centimeters per year Multiplying the amount of water in the jug in litres (e.g. liters per minute is a unit of flow rate, equal to 0.016666667 103m3/s. The effects on the predicted flow rate are then given in three graphs, where in turn two of the variables are kept constant and the flow rate is plotted against a range of values of the third. Divide the flow rate measured in GPM by the area and take the square of the result. Use this pressure converter to convert instantly between bars, gigapascals, kilopascals, millibars, newtons per square meter, pounds per square inch and other metric and imperial pressure units. Flow rate is the volume of fluid flowing per unit time through a given area. Let's say you want to change 15 GPM to LPM (gallons per minute to liters per minute). Cubic centimeters per hour (cm/h) The formula for calculating the IV flow rate (drip rate) is total volume (in mL) divided by time (in min), multiplied by the drop factor (in gtts/mL), which equals the IV flow rate in gtts/min. Leicester, Cubic inches per hour (in/h) LE4 9HU. 2 decimals The cross-sectional area of a full circular pipe can be determined as follows:A = * (Diameter)2 / 4, The flow rate (Q) can be written as:Q = (Velocity) * * (Diameter)2 / 4, The cross-sectional area of a partially full circular pipe can be determined as follows:A = (Diameter)2 * (theta - sin(theta)) / 8. PSI to GPM Calculator. Click on the "Calculate" button to compute the flow rate. Gallons per hour (Imperial) 0.4 litres x 10 = 4 litres per minute). WebGPM (Gallons per Minute) Calculator To find the output flow of a hydraulic pump, use this pump flow formula: Flow (GPM) = (RPM x Disp) / 231. Cubic feet per year Cubic decimeters per year That was not so easy . Then click Cubic centimetres per second (cm/s) Per minute PSI to GPM Calculator Now let's see if using the psi to gallons per minute calculator can make our life easier. Concept of Air Velocity can be used in air conditioning, heating and ventilating work. How do you calculate psi? If a value is not available for any one of the variables, then please leave the field blank and the program will select its own value. If the head is given in metres of water, each 1-metre head (3.28 ft) induces 0.1 bar (1.47 psi.) Webl/min - Liter Per Minute. Math is the study of numbers, shapes, and patterns. Manage Settings We can determine the volumetric flow rate as follows: The flow rate will vary according to the cross-sectional area of the channel: The area of the pipe is 0.349 ft2. : The potential energy density is calculated with the use of a modified potential energy equation, with density instead of mass of the fluid. Got ideas how to make it better? In fact it's even older. Bar. How to Calculate GPM from PSI for Water | Sciencing Analytical cookies are used to understand how visitors interact with the website. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The Liters per minute unit number 0.060 L/min converts to 1 mL/sec, one milliliter per second. It is the EQUAL flow rate value of 1 milliliter per second but in the Liters per minute flow rate unit alternative. WebFree online pressure converter - converts between 53 units of pressure, including pascal [Pa], kilopascal [kPa], bar, psi [psi], etc. Let us see how we can calculate the flow rate of water as it exits from a tank through a pipe of diameter 2.5 inches. It's absolutely optional. Liters per second (l/s) Cubic millimeters per day Per year Bushels per year (Imperial) Volume is the amount of space that an object takes up, and may be measured in liters, gallons, or cubic meters. One psi is approximately equal to 6894.76 pascals (the SI unit of pressure is pascal or Pa). 6.21. You can opt-out here. WebPressure (Bar) Length (Metres) Results 43.727 ltrs/min Please click on the tabs below to view the results. The graphs above are generated from calculations assuming the hose to be in good condition and laid in a straight line. WebLPM is an abbreviation of litres per minute (l/min). Gallons per day (U.S. liquid) Cubic inches per hour (in/h) (adsbygoogle = window.adsbygoogle || []).push({}); Type the number of Liters per minute (l/min) you want to convert in the text box, to see the results in the table. Can you convert LPM to PSI? There is no conversion from liter/hour to psi. A flow gauge and a regulator may or may not be the same piece of equipment. Can you convert CFM to PSI? The relationship between CFM and PSI is just linear. if you get 8 CFM at 120 psi, you will get 4 CFM at 60 PSI. WebPsi to liters calculator - I have a tanker that is being filled by a pump with a pressure rating of 50 psi. Bushels per day (Imperial) Bushels per year (U.S.) However, you may visit "Cookie Settings" to provide a controlled consent. Cubic decimeters per second (dm/s) Gallons per day (Imperial) Cubic miles per second cm = 98066.5 pascal [Pa], 1 kilogram-force/sq. Cubic inches per year WebFrom the table above - to convert from psi, multiply psi with 6894.76 : 10 (psi) = 6894.76 10 (Pa) = 68947.6 Pa = 68.95 kPa Some other Pressure Units Pressure vs. Head 1 Pa (N/m2) = 0.0000102 Atmosphere (metric) 1 Pa (N/m2) = 0.0000099 Atmosphere (standard) 1 Pa (N/m2) = 0.00001 Bar 1 Pa (N/m2) = 10 Barad 1 Pa (N/m2) = 10 Barye 90. which is required for the converter to function. The following formula is used by this calculator to populate the value for the flow rate, pipe diameter or water velocity, whichever is unknown: V = 0.408 Q/D2. The SI derived unit for volume flow rate is the cubic meter/second. 100. The physiological and medical norm for respiratory minute ventilation at rest is 6 liters per minute for a 70 kg man (see references for textbooks below: Guyton, 1984; Ganong, 1995; Straub, 1998; Castro, 2000; etc.). These textbooks also provide the following numbers for normal breathing at rest: Or while cleaning the house? Sorry, your browser does not seem to support JavaScript 6 decimals WebBy multiplying air velocity by the cross section area of a duct, you can determine the air volume flowing past a point in the duct per unit of time. To get litres per second we simply need to multiply by 1,000 to get 12 l/s. Touch "Convert Me" button. Cubic millimeters per second (mm/s) Gallons per hour (U.S. liquid) WebThis calculator may also be used to determine the appropriate pipe diameter required to achieve a desired velocity and flow rate. Acre-feet per second 20 liters per minute. What is the formula for calculating solute potential? If you need a quick answer, ask a librarian! 6.89. Cubic millimeters per year 1 psi [psi] = 6894.7572931783 pascal [Pa], 1 ksi [ksi] = 6894757.2931783 pascal [Pa], 1 Standard atmosphere [atm] = 101325 pascal [Pa], 1 terapascal [TPa] = 1000000000000 pascal [Pa], 1 gigapascal [GPa] = 1000000000 pascal [Pa], 1 femtopascal [fPa] = 1.0E-15 pascal [Pa], 1 newton/square centimeter = 10000 pascal [Pa], 1 newton/square millimeter = 1000000 pascal [Pa], 1 kilonewton/square meter = 1000 pascal [Pa], 1 dyne/square centimeter = 0.1 pascal [Pa], 1 kilogram-force/square meter = 9.80665 pascal [Pa], 1 kilogram-force/sq. 110. = 0.00016666666666667 (cubic meter) per second. Cubic miles per hour Liters per minute (l/min) Cubic meters per hour (m/h) The formula that is used to determine flow rate will vary according to this cross-sectional shape. The volumetric flow rate (Q) can be computed as the product of the cross-sectional area (A) for flow and the average flow velocity (v) as follows: Let's say we have a circular channel that has an inner diameter of 8 inches. Cubic kilometers per year Please click on the tabs below to view the results. Our hectares to acres converter is a tool that converts between two area units, specifically land measuring units. Enter the value of your unit . Some of these cookies are essential, while others help us to improve your experience by providing insights into how the site is being used. and click it. There is Psi to liters calculator that can make the technique much easier. Ratio of output pressure p2 abs and input pressure p1 abs which marks the transition from choked flow (sonic velocity in narrowest section) to subsonic flow. Result will be displayed. The pressure at the exit point will be equal to the atmospheric pressure, i.e., 14.7 psi. Units that are commonly used to measure volumetric flow rate are: m3/s (cubic meter per second), L/min (liters per minute), ft3/sec (cubic feet per second), ft3/min (cubic feet per minute, or CFM), and gal/min (gallons per minute, or GPM). Webpsi l/min COMPRESSED AIR CONVERSION FACTORS 28.32 1.34 BY 14.7 0.06895 6.895 cu ft/min kW 14.23 cu ft/min horsepower bar psi psi kg/cm bar kPa(kilopascal) psi VOLUME TO OBTAIN l/min bar kPa MULTIPLY psi PRESSURE By multiplying air velocity by the cross section area of a duct, you can determine the air volume flowing past a point in the duct per unit of time. Begin typing your search term above and press enter to search. Cubic decimeters per minute (dm/min) 7 decimals Capacity. Psi to liters calculator - Math Index Analytical cookies help us to improve our website by collecting and reporting information on its usage. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Flag Likes 1 cman Junior Member Join Date: Apr 2016 Posts: 2 #3 04-06-2016, 11:59 AM Thanks John. When used in the context of a particle counter's flow rate, it is a measurement of the velocity at which air flows into the sample probe. I enjoy spending my free time with my family and friends. Cubic feet per minute (ft/min) Cubic feet per day Cubic feet per hour (ft/h) These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Cubic inches per minute (in/min) Acre-feet per day Cubic millimeters per second (mm/s) There was no JavaScript there and all conversions had to be done on server. Really. Cubic kilometers per minute (km/min) CONVERSION FACTORS COMPRESSED AIR CHART New The flow rate of water in gallons per minute, or gpm, can be calculated with the help of the Bernoulli equation and careful unit conversion. Homework Help Online. Liters per year Liters per day This will give you your flow rate Cubic inches per second (in/s) Solve Now. Copelys Contribution to the UKs Battle With COVID-19, Using Plastic More Sustainably How We Recycle Our Waste Material. WebPressure Converter. How do you calculate flow rate in minutes? Find this tool useful? GPM or gallons per minute is a unit of flow rate, i.e., it specifies how fast a liquid (for example, water) moves through a pipe or pump. EC1V 2NX, instructions for how to enable JavaScript. PSI. Cubic centimeters per day Sorry, we don't know this substance. The volumetric flow rate, which is also commonly referred to as the rate of liquid flow or volume flow rate, is the volume of a given fluid that flows within a unit of time. To begin calculating, enter your figures in the boxes below. PSI or pounds per square inch is a unit of pressure. ), the terms absolute and gauge are universal. These cookies will be stored in your browser only with your consent.