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Pounds per cubic foot to Kilograms per cubic metre

1 pound per cubic foot = 16.018 kilograms per cubic metre · 1 kg/m³ = 0.062428 lb/ft³

1 pound per cubic foot = 16.018 kilograms per cubic metre

How it’s calculated

kg/m³ = lb/ft³ × 16.01846337

  • Multiply the value in pounds per cubic foot by 16.01846337.
  • To go back, divide by 16.01846337 (or multiply by 0.06242796058).
  • 1 lb/ft³ = 16.01846337 kg/m³ · 1 kg/m³ = 0.06242796058 lb/ft³
Show worked solutionFactor, unit cancellation and rounding, step by step
  1. Find the conversion factor

    By definition 1 lb/ft³ = 16.0184633739601 kg/m³. Source: NIST SP 811 / Handbook 44; BIPM SI Brochure (9th ed.).

  2. Multiply by the factor written as a fraction

    Put lb/ft³ in the denominator so it cancels, leaving kg/m³.

  3. Calculate (unrounded)

  4. Round the answer

    Rounded to 5 significant figures.

Answer: 16.018 kg/m³

1 lb/ft³ in other units

Batch convert lb/ft³ → kg/m³
Results
  1. 1 lb/ft³ = 16.018 kg/m³
  2. 5 lb/ft³ = 80.092 kg/m³
  3. 10 lb/ft³ = 160.18 kg/m³
  4. 25 lb/ft³ = 400.46 kg/m³

Permanent link to this conversion

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Quick examples

  • 1 pound per cubic foot = 16.018 kilograms per cubic metre
  • 5 pounds per cubic foot = 80.092 kilograms per cubic metre
  • 10 pounds per cubic foot = 160.18 kilograms per cubic metre
  • 25 pounds per cubic foot = 400.46 kilograms per cubic metre
  • 100 pounds per cubic foot = 1,601.8 kilograms per cubic metre

About these units

Pound per cubic foot (lb/ft³)

US & imperial (identical)

≈ 16.018 46 kg/m³ (exact pound ÷ exact cubic foot).

1 lb/ft³ = 16.01846337 kg/m³

Source: NIST SP 811 / Handbook 44

Kilogram per cubic metre (kg/m³)

SI (metric)

SI unit of density. Water is about 998 kg/m³ at 20 °C.

Base unit

Source: BIPM SI Brochure (9th ed.)

Pounds per cubic foot to kilograms per cubic metre conversion table

pound per cubic foot (lb/ft³) to kilogram per cubic metre (kg/m³)
Pounds per cubic foot (lb/ft³)Kilograms per cubic metre (kg/m³)
0.1 lb/ft³1.6018 kg/m³
0.5 lb/ft³8.0092 kg/m³
1 lb/ft³16.018 kg/m³
1.2 lb/ft³19.222 kg/m³
10 lb/ft³160.18 kg/m³
50 lb/ft³800.92 kg/m³
100 lb/ft³1,601.8 kg/m³
500 lb/ft³8,009.2 kg/m³
700 lb/ft³11,213 kg/m³
800 lb/ft³12,815 kg/m³
900 lb/ft³14,417 kg/m³
998 lb/ft³15,986 kg/m³
1,000 lb/ft³16,018 kg/m³
1,025 lb/ft³16,419 kg/m³
1,500 lb/ft³24,028 kg/m³
2,400 lb/ft³38,444 kg/m³
2,700 lb/ft³43,250 kg/m³
7,850 lb/ft³125,740 kg/m³
8,960 lb/ft³143,530 kg/m³
11,340 lb/ft³181,650 kg/m³

Related conversions

Frequently asked questions

How do I convert pounds per cubic foot to kilograms per cubic metre?

Use kg/m³ = lb/ft³ × 16.01846337. Multiply the value in pounds per cubic foot by 16.01846337.

How many kilograms per cubic metre are in 1 pound per cubic foot?

1 pound per cubic foot (lb/ft³) equals 16.018 kilograms per cubic metre (kg/m³); more precisely 16.01846337.

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

1 kilogram per cubic metre (kg/m³) equals 0.062428 pounds per cubic foot (lb/ft³); more precisely 0.06242796058.

What is 10 lb/ft³ in kg/m³?

10 pounds per cubic foot = 160.18 kilograms per cubic metre.

What is a pound per cubic foot?

≈ 16.018 46 kg/m³ (exact pound ÷ exact cubic foot).

What is a kilogram per cubic metre?

SI unit of density. Water is about 998 kg/m³ at 20 °C.

Formula: kg/m³ = lb/ft³ × 16.01846337. Factors last reviewed 2026-10-27.