LNG Calculator

Kilograms of Liquefied Natural Gas to Gallons Calculator

This tool applies only to LNG in its liquid phase under cryogenic conditions.

Cryogenic LiquidTypical density: 0.450 kg/LUS and UK gallons supportedCryogenic conditions required

Only the liquid phase is valid.

Kg to gallons liquefied natural gas converter showing liquid weight conversion
Cryogenic Liquid

LNG Volume Estimator

LNG is only valid in liquid phase under cryogenic conditions.

Instant resultUS and UK gallonsEditable estimate

Enter the liquid mass in kilograms.

kg

LNG density must come from the cryogenic liquid state.

kg/L
Gallon type
Typical density

LNG density must come from the cryogenic liquid state.

Accuracy status

Only the liquid phase is valid.

When it helps

LNG must be measured as a liquid, not as gaseous natural gas.

How lng converts to gallons

LNG formula

US gallons = kilograms ÷ density in kg/L ÷ 3.785411784. UK gallons = kilograms ÷ density in kg/L ÷ 4.54609.

Kilograms÷ Density= Litres÷ Gallon size= Gallons
LNG examples

Interactive examples

LNG conversion table

Kilograms of Liquefied Natural Gas to Gallons Reference Table

LNG density must come from the cryogenic liquid state.

WeightUSUK
1 kg0.587 US gal0.489 UK gal
5 kg2.935 US gal2.444 UK gal
10 kg5.870 US gal4.888 UK gal
25 kg14.676 US gal12.221 UK gal
50 kg29.352 US gal24.441 UK gal
LNG use cases

Practical uses

  • Storage estimates
  • Bulk transfer planning
  • Reference checks
LNG limitations

Accuracy limitations

  • Gaseous density is not valid
  • Composition matters
  • Cryogenic conditions matter

Results are estimates. Density varies with product and conditions. Use the official technical or safety data sheet where accuracy matters.

LNG FAQs

Is LNG the same as natural gas?

No, LNG is the liquid form.

Does methane percentage matter?

Yes, it changes density.

Should gaseous density be used?

No.

Does temperature matter?

Yes, strongly.

Can I use this for storage estimates?

Yes, as an estimate.