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Ideal Gas Law Calculator

Calculate Ideal Gas Law Parameters
Select Answer Mode
Pressure (P) [?]
Volume (V) [?]
Amount Of Substance (n) [?]
Temperature (T) [?]

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Change the answer mode for this tool by selecting gas pressure (P), gas volume (V), amount of substance of gas (n) or gas temperature (T) as the parameter to calculate instead



Absolute pressure measurement products
  • 800 to 1200 mbar atmospheric pressure transmitter
  • 100psia range 0-10Vdc output signal air pressure sensor for manufacturing use
  • Barometric transducer with 23-34 inHg input range and 0-5Vdc output range
  • DCT331P RS485 Modbus RTU Flush Pressure Sensor

Related Tools

  • Boyle’s law calculator
  • Charles’ law calculator
  • Avogadro’s law calculator
  • Gay-Lussac’s law calculator
  • Combined gas law calculator
  • Pressure units conversion
  • Volume units conversion
  • Temperature units conversion

Contents

  • User Guide
    • Formulas
      • Symbols
    • Pressure (P)
    • Volume (V)
    • Amount Of Substance (n)
    • Temperature (T)

User Guide

This tool will calculate any parameter from the equation for the ideal gas law P·V = n·R·T, which includes  the pressure, volume, amount of substance and temperature of a quantity of gas.

Formulas

The Ideal gas law is explained with math in the following way.

Using SI units for each parameter, the multiplying together of pressure and volume will equal the multiplying together of the amount of substance, the temperature and the ideal gas constant.

P · V = n · R · T

The formulas used by this ideal gas law calculator to determine each individual parameter are:

P =  n · R · T / V

V = n · R · T / P

n = P · V / (R · T)

T = P · V / (n · R)

Symbols

  • P = Pressure of gas
  • V = Volume of gas
  • n = Amount of substance of gas
  • R = Ideal gas constant (8.31446261815324 J⋅K-1⋅mol-1)
  • T = Temperature of gas

Pressure (P)

This is the absolute pressure of the gas.

Volume (V)

This is the total volume occupied by the gas.

Amount Of Substance (n)

This is the number of gas atoms or molecules that are included in the quantity of gas.

Temperature (T)

This is the temperature of the gas.

Temperature measurement products
  • Height & temperature of water sensor for tidally inundated tunnel
  • Pressure and temperature recorder for monitoring up to 500 millibar
  • 6m range 4-20mA submersible animal feed tank level and PT100 sensor
  • Submersible 3mWG range 4-20mA output liquid level and PT1000 temperature sensor

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Tool Sections

  • Area
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  • Circular Shapes
  • Density
  • Diameter & Radius
  • Energy & Power
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  • Flow
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  • Pricing & Quantities
  • Rectangular Shapes
  • Sensors & Instruments
  • Speed & Acceleration
  • Temperature & Heat
  • Time & Frequency
  • Travel & Transportation
  • Volumetric

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