Home › Unit Conversion › Kilograms per cubic meter to Pounds per cubic foot

Kilograms per cubic meter to Pounds per cubic foot (kg/m³ to lb/ft³)

Convert kilograms per cubic meter to pounds per cubic foot: 1 kg/m³ = 0.062428 lb/ft³. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

Formula

1 kg/m³ = 0.062428 lb/ft³

pounds per cubic foot = kilograms per cubic meter × 0.06242796058 — reverse: kilograms per cubic meter = pounds per cubic foot × 16.01846337

The factor is derived from the SI definitions of both units (base unit: kg/m3) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

5 kg/m³ = 0.31214 lb/ft³
12.5 kg/m³ = 0.78035 lb/ft³
100 kg/m³ = 6.2428 lb/ft³

Kilograms per cubic meter to pounds per cubic foot conversion table

Kilograms per cubic meter (kg/m³)	Pounds per cubic foot (lb/ft³)
1	0.062428
2	0.124856
3	0.187284
4	0.249712
5	0.31214
6	0.374568
7	0.436996
8	0.499424
9	0.561852
10	0.62428
15	0.936419
20	1.24856
25	1.5607
30	1.87284
40	2.49712
50	3.1214
75	4.6821
100	6.2428
200	12.4856
250	15.607
500	31.214
1000	62.428

FAQ

How many pounds per cubic foot are in one kilogram per cubic meter?

1 kg/m³ = 0.062428 lb/ft³. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

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

Multiply the value in kilograms per cubic meter by 0.06242796058: pounds per cubic foot = kilograms per cubic meter × 0.06242796058. For example, 5 kg/m³ = 0.31214 lb/ft³.

How do I convert pounds per cubic foot back to kilograms per cubic meter?

Multiply by the inverse factor 16.01846337 (kilograms per cubic meter = pounds per cubic foot × 16.01846337), or use the pounds per cubic foot-to-kilograms per cubic meter page.

Related conversions

Machine access

API: GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kg%2Fm3&to_unit=lb%2Fft3
MCP: server https://tttkmbb.com/mcp, tool convert_units with {"value":5,"from_unit":"kg/m3","to_unit":"lb/ft3"}
Markdown: https://tttkmbb.com/conversion/kg-per-m3-to-lb-per-ft3.md · JSON: https://tttkmbb.com/conversion/kg-per-m3-to-lb-per-ft3.json (add ?value= for a result) · Units: /api/v1/units?quantity=density
OpenAPI operationId: convert_units. Freshness: static. Authentication: none.