PKI calculator
ISO 17507-2:2025
Enter the gas composition as mole percentages. Empty fields are treated as zero. The PKI calculation uses mole fractions normalized to a total of one. Volume and mass input are not currently supported. Read the disclaimer before relying on a result.
Input basis: Mole
Methane
Ethane
Propane
n-Butane
Isobutane
n-Pentane
Isopentane
Neopentane
Hexanes+
Hydrogen
Carbon monoxide
Carbon dioxide
Nitrogen
Hydrogen sulphide