MNc calculator
ISO 17507-1:2025
Enter the gas composition as volume, mole, or mass fractions. Empty fields are treated as zero. The entered fractions are converted to volume fractions and normalized to percent before the ISO 17507-1:2025 calculation is performed. Read the disclaimer before relying on a result.
Methane
Ethane
Propane
Butanes
Butadiene
Butylene
Pentanes
Hexanes+
Hydrogen
Carbon monoxide
Carbon dioxide
Nitrogen
Hydrogen sulphide
Ethylene
Propylene
Argon
Helium