Convert

Pound per cubic foot to Kilogram per cubic metre

Exact answer: 1 lb/ft³ = 16.01846337396 kg/m³ (exact defined factor)

Pound per cubic foot and Kilogram per cubic metre describe the same quantity from the Density family but come from different systems of units. The factor is defined exactly. Density links mass and volume and is the basis for material comparisons and mixing calculations.

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What do you want to convert?

From1 lb/ft³

Result16.018463 kg/m³

Factor1 lb/ft³ = 16.01846337396 kg/m³

Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 lb/ft³ = 16.018463 kg/m³

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Common mistake

Density depends on temperature, material state and measurement conditions. Unit conversion does not replace material data.

03Base unit: kg/m³

1 lb/ft³ = 16.018463374 kg/m³. Then the value is converted through the base unit kg/m³ into Kilogram per cubic metre.

Table

Pound per cubic foot to Kilogram per cubic metre
Pound per cubic foot	Kilogram per cubic metre
1	16.018463
10	160.184634
50	800.923169
100	1,601.846337
500	8,009.231687
1,000	16,018.463374

Formula

1 lb/ft³ = 16.018463374 kg/m³. Then the value is converted through the base unit kg/m³ into Kilogram per cubic metre.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Related conversions

Gram per cubic centimetre to Kilogram per cubic metreg/cm³ → kg/m³Density Kilogram per cubic metre to Gram per cubic centimetrekg/m³ → g/cm³Density Kilogram per cubic metre to Gram per litrekg/m³ → g/lDensity Gram per litre to Kilogram per cubic metreg/l → kg/m³Density

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Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources reviewed: September 2026. Density. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Pound per cubic foot to Kilogram per cubic metre?

1 lb/ft³ = 16.01846337396 kg/m³

Which formula does Pound per cubic foot to Kilogram per cubic metre use?

1 lb/ft³ = 16.01846337396 kg/m³. Then the value is converted through the base unit kg/m³ into Kilogram per cubic metre.

What is the most common mistake?

Density depends on temperature, material state and measurement conditions. Unit conversion does not replace material data.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.