How to convert SCF to kg for natural gas?

Select Methane → Enter SCF → Get kg instantly with real gas Z-factor (AutoEngCalc.in)

1 Nm³ of nitrogen in kg?

1 Nm³ (STP) Nitrogen = 1.2506 kg

How many kg in 1 million SCF of methane?

~19,250 kg at standard conditions (exact with Z-factor on AutoEngCalc)

Free Gas Conversion Calculator | SCF to kg, Nm³ to Tons, Sm³ to kg

Gas Conversion Analysis

Convert between gas measurement units with standard conditions and real gas corrections

Gas Type

Input Value

Molecular Weight (g/mol)

Density at STP (kg/m³)

From Unit

To Unit

Standard Condition

Real Gas Correction

Temperature (°C)

Pressure (atm)

Critical Temperature (K)

Critical Pressure (atm)

Acentric Factor

Standard Conditions Definitions

Standard	Temperature	Pressure	Molar Volume	Common Usage
STP	0°C (273.15 K)	1 atm (101.325 kPa)	22.414 L/mol	Chemistry, IUPAC
NTP	20°C (293.15 K)	1 atm (101.325 kPa)	24.055 L/mol	Engineering, Industry
SATP	25°C (298.15 K)	1 bar (100 kPa)	24.789 L/mol	Thermodynamics

Standard Volume Conversions

Input Value

From Standard

To Standard

Real Gas Behavior

Real gases deviate from ideal gas behavior, especially at high pressures and low temperatures. This deviation can be accounted for using compressibility factors (Z) or equations of state.

Compressibility Factor (Z)

The compressibility factor is defined as Z = PV/RT. For an ideal gas, Z = 1. Real gases deviate from this value.

Equations of State

Common equations used to model real gas behavior include Van der Waals, Redlich-Kwong, and Peng-Robinson equations.

Compressibility Factor Calculator