Kilograms per cubic metre to Pounds per cubic foot Converter kg/m³ → lb/ft³

1 kilogram per cubic metre (kg/m³) = 0.06242796058 pounds per cubic foot (lb/ft³). Type a value below — the conversion happens instantly, entirely on your device.

From

1 kg/m³ = 0.06242796058 lb/ft³

Precision

1000 kilograms per cubic metre = 62.427961 pounds per cubic foot

1000 × 0.062428 = 62.427961

1 kg/m³ equals 0.062428 lb/ft³, so multiplying by 0.062428 converts the value. The result describes the exact same quantity — only the measuring stick changes.

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How to convert kilograms per cubic metre to pounds per cubic foot

pounds per cubic foot = kilograms per cubic metre × 0.06242796058 — multiply the kilogram per cubic metre value by 0.062428.

Example: 1000 kg/m³ = 62.428 lb/ft³.

To convert the other way: kilograms per cubic metre = pounds per cubic foot ÷ 0.06242796058 — or use the dedicated lb/ft³ to kg/m³ converter .

Kilograms per cubic metre to pounds per cubic foot divides by about 16.018: water at 1,000 kg/m³ is about 62.4 lb/ft³. US construction and geotechnical specs use lb/ft³ (sometimes "pcf").

Kilograms per cubic metre to Pounds per cubic foot conversion table

Kilograms per cubic metre (kg/m³)	Pounds per cubic foot (lb/ft³)
0.1	0.0062427961
0.25	0.01560699
0.5	0.03121398
1	0.062427961
2	0.12485592
3	0.18728388
4	0.24971184
5	0.3121398
6	0.37456776
7	0.43699572
8	0.49942368
9	0.56185165
10	0.62427961
15	0.93641941
20	1.2485592
25	1.560699
30	1.8728388
40	2.4971184
50	3.121398
75	4.682097
100	6.2427961
250	15.60699
500	31.21398
1000	62.427961

About the units

What is a kilogram per cubic metre?

The SI unit of density — mass in kilograms per cubic metre. Water is 1,000 kg/m³; air at sea level about 1.225 kg/m³.

What is a pound per cubic foot?

The US density unit, about 16.018 kg/m³. Water is about 62.4 lb/ft³; building materials and soils are often specified this way.

Frequently asked questions

How many pounds per cubic foot are in 1 kilogram per cubic metre?

1 kilogram per cubic metre (kg/m³) = 0.06242796058 pounds per cubic foot (lb/ft³).

What is the formula to convert kilograms per cubic metre to pounds per cubic foot?

pounds per cubic foot = kilograms per cubic metre × 0.06242796058 — multiply the kilogram per cubic metre value by 0.062428.

How do I convert kg/m³ to lb/ft³ without a calculator?

Multiply by 0.0624 for a close estimate. Exact factor: 1 kg/m³ = 0.06242796058 lb/ft³.

Is this kg/m³-to-lb/ft³ converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.