Pound/Cubic Foot to Kilogram/Cubic Meter Converter

Density Converter

16 units available

Decimals:

From

To

16.018463

1 lb/ft³ = 16.018463 kg/m³

Formula:

kg/m³ = lb/ft³ × 16.018463374

With your value: 1 lb/ft³ = 16.01846337 kg/m³

Other Pound/Cubic Foot to Kilogram/Cubic Meter conversions

2 lb/ft³ to kg/m³ 3 lb/ft³ to kg/m³ 4 lb/ft³ to kg/m³ 5 lb/ft³ to kg/m³ 6 lb/ft³ to kg/m³ 7 lb/ft³ to kg/m³ 8 lb/ft³ to kg/m³

Pound/Cubic Foot to Kilogram/Cubic Meter Conversion Table

Pound/Cubic Foot (lb/ft³)	Kilogram/Cubic Meter (kg/m³)
0.5	8.009232
1	16.018463
2	32.036927
5	80.092317
10	160.184634
15	240.276951
20	320.369267
25	400.461584
50	800.923169
100	1,601.846337
250	4,004.615843
500	8,009.231687
1000	16,018.463374

Kilogram/Cubic Meter to Pound/Cubic Foot Conversion Table

Kilogram/Cubic Meter (kg/m³)	Pound/Cubic Foot (lb/ft³)
0.5	0.031214
1	0.062428
2	0.124856
5	0.31214
10	0.62428
15	0.936419
20	1.248559
25	1.560699
50	3.121398
100	6.242796
250	15.60699
500	31.21398
1000	62.427961

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Pound/Cubic Foot (lb/ft³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilogram/Cubic Meter (kg/m³)

Density

Exact conversion

Derived from mass per unit volume using the definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Pound/Cubic Foot to Kilogram/Cubic Meter

To convert from Pound/Cubic Foot (lb/ft³) to Kilogram/Cubic Meter (kg/m³), multiply the value by 16.018463374.

Formula: kg/m³ = lb/ft³ × 16.018463374

Reverse: lb/ft³ = kg/m³ × 0.0624279606

Step-by-Step Example

Start with your value in Pound/Cubic Foot. For example: 5 lb/ft³
Multiply by the conversion factor: 5 x 16.018463374
The result is: 80.092317 kg/m³

About Pound/Cubic Foot

The pound/cubic foot (lb/ft³) is a unit of density. One pound/cubic foot equals 16.01846337 kilogram per cubic metres. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

About Kilogram/Cubic Meter

The kilogram/cubic meter (kg/m³) is a unit of density. One kilogram/cubic meter equals 1 kilogram per cubic metre. UnitConvertLab converts it against every other density unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: density calculations, engineering and science, education.

Frequently Asked Questions

How many Kilogram/Cubic Meter are in 1 Pound/Cubic Foot?

There are exactly 16.018463374 Kilogram/Cubic Meter in 1 Pound/Cubic Foot. This means the conversion factor from Pound/Cubic Foot to Kilogram/Cubic Meter is 16.018463374.

What is the formula to convert Pound/Cubic Foot to Kilogram/Cubic Meter?

The formula to convert Pound/Cubic Foot to Kilogram/Cubic Meter is: kg/m³ = lb/ft³ × 16.018463374. For example, to convert 10 Pound/Cubic Foot to Kilogram/Cubic Meter, you would multiply 10 by 16.018463374.

What is a Pound/Cubic Foot?