Leak Rate Calculator

Note: The unit conversion factor for SI units provided by API RP14B 5th edition Appendix E
contains an error. This page uses the correct SI units conversion factor.

Units EnglishSI

Calculation Notes

Initial Pressure:		psig
Final Pressure:		psig
Test Length:		minutes
Gas Volume:		ft3
Temperature:		F

Leak Rate:		scf/min (15 max)
z Factor Initial:
z Factor Final:

Gas Properties
Gas Gravity:		Air = 1.0
CO2:		%
H2S:		%
N2:		%