Convert Liter to KG

Convert Liters of Propane (Liquid) to KG

Propane (Liquid) weighs 0.493 kg per litre. Convert litres to kilograms (and back) using its exact density.

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Quick Metrology Summary

1 liter of Propane (Liquid) weighs approximately 0.493 kilograms (or 493 grams) at standard room temperature. Because mass equals volume multiplied by density (\(m = V \times \rho\)), multiplying volume in liters by 0.493 gives the exact mass in kg.

Propane (Liquid): Weight per Litre Explained

Propane (Liquid) has a density of 0.493 kg/L, which makes it 51% lighter than water. Liquid propane is the lightest fuel in this list, at 0.493 kg/L. A litre of the liquid is about half a kilogram, though it expands into roughly 270 litres of gas when released.

When You Need This Conversion

BBQ and patio-heater cylinders, caravan and boat gas, commercial heating and industrial cutting gas.

What Changes the Density

Density falls markedly when the liquid warms, from about 0.53 kg/L at 0°C to 0.47 kg/L at 30°C.

How it works

  1. Enter the litres of propane (liquid)

    Type the volume in litres. The calculator is preset to Propane (Liquid) at 0.493 kg/L.

  2. Switch direction if needed

    Flip to kilograms → litres to find how much space a given weight of propane (liquid) takes up.

  3. Read the result

    See kilograms, pounds, millilitres and gallons. Each litre adds 0.493 kg.

How to Convert Liters of Propane (Liquid) to Kilograms

Liquid propane is the lightest fuel in this list, at 0.493 kg/L. A litre of the liquid is about half a kilogram, though it expands into roughly 270 litres of gas when released. To convert, multiply the volume in litres by 0.493. To go the other way, divide the weight in kilograms by 0.493.

Convert Liters to KG formula and density calculation diagram
kg = Litres × 0.493
L  = kg ÷ 0.493

1 L   → 0.493 kg
10 L  → 4.93 kg
100 L → 49.3 kg
Example

Convert 5 litres of propane (liquid) to kilograms: 5 × 0.493 = 2.465 kg, or 5.43 lb. Reversed: 2.465 kg ÷ 0.493 = 5 L.

Worked examples

Sample scenarios and their calculated results
ScenarioCalculationResult
1 L of propane (liquid)1 × 0.493 kg/L0.493 kg
5 L of propane (liquid)5 × 0.493 kg/L2.465 kg
20 L of propane (liquid)20 × 0.493 kg/L9.86 kg
100 L of propane (liquid)100 × 0.493 kg/L49.3 kg
10 kg of propane (liquid) (reverse)10 ÷ 0.493 kg/L20.28 L

Conversion reference

Propane (Liquid): density 0.493 kg/L. Kilograms = litres × 0.493.
LitresKilogramsPoundsUS gallons
0.25 L0.123 kg0.27 lb0.07 gal
0.5 L0.246 kg0.54 lb0.13 gal
1 L0.493 kg1.09 lb0.26 gal
2 L0.986 kg2.17 lb0.53 gal
5 L2.465 kg5.43 lb1.32 gal
10 L4.93 kg10.87 lb2.64 gal
20 L9.86 kg21.74 lb5.28 gal
50 L24.65 kg54.34 lb13.21 gal
100 L49.3 kg108.69 lb26.42 gal

Quick facts

  • 1 litre of propane (liquid) weighs 0.493 kg (493 g), which is 51% lighter than water.
  • 1 kg of propane (liquid) fills 2.028 litres (2028 mL).
  • 1 m³ (1,000 L) of propane (liquid) weighs 493 kg.

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Related Volume-to-Mass Conversions

Need to convert something else? Find the exact density-based calculations for these common materials.

Petrol (Gasoline)

0.74 kg/L

Diesel Fuel

0.835 kg/L

Kerosene

0.82 kg/L

Jet A-1 Aviation Fuel

0.804 kg/L

LPG (Liquid Petroleum Gas)

0.54 kg/L

Engine Oil (SAE 30)

0.88 kg/L

Hydraulic Oil

0.875 kg/L

Brake Fluid (DOT 4)

1.04 kg/L

Antifreeze / Coolant

1.115 kg/L

AdBlue (Diesel Exhaust Fluid)

1.09 kg/L

Crude Oil (Medium)

0.855 kg/L

Water (4°C)

1 kg/L

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