Authoritative definitions of the International System of Units and SI prefixes.
Dedicated unit pair
Pounds per cubic foot to Kilograms per litre
Convert lb/ft³ to kg/L instantly, then review the formula, assumptions, and rounding guidance.
DensityInstant result
Decimals
Formula result = input × 16.01846337 ÷ 1000. 1 lb/ft³ = 0.016 kg/L
Common examples
One value, several units
Kilograms per cubic metre16.0185 kg/m³
Grams per cubic centimetre0.016 g/cm³
Kilograms per litre0.016 kg/L
Pounds per US gallon0.1337 lb/gal
Conversion table
| lb/ft³ | kg/L |
|---|---|
| 1 lb/ft³ | 0.016 kg/L |
| 2 lb/ft³ | 0.032 kg/L |
| 5 lb/ft³ | 0.0801 kg/L |
| 10 lb/ft³ | 0.1602 kg/L |
| 25 lb/ft³ | 0.4005 kg/L |
| 50 lb/ft³ | 0.8009 kg/L |
| 100 lb/ft³ | 1.6018 kg/L |
Conversion chart
1 lb/ft³0.016 kg/L
5 lb/ft³0.0801 kg/L
10 lb/ft³0.1602 kg/L
25 lb/ft³0.4005 kg/L
50 lb/ft³0.8009 kg/L
Worked example
Water is approximately 1,000 kg/m³.
Unit definition
Pounds per cubic foot (lb/ft³) One pounds per cubic foot equals 16.01846337 kilogram per cubic metre.
Unit history
Pounds per cubic foot is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert lb/ft³ to kilogram per cubic metre.
3. Convert the base value to kg/L and apply your display precision.
Understand the result before using it
Pounds per cubic foot to Kilograms per litre converts a value measured in Pounds per cubic foot (lb/ft³) into the equivalent value in Kilograms per litre (kg/L). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 16.01846337 ÷ 1000
Assumptions
- Pounds per cubic foot and Kilograms per litre represent the same density quantity.
- The input is expressed in lb/ft³; the output is expressed in kg/L.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 lb/ft³ = 0.01601846337 kg/L. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a lb/ft³ measurement in a document that expects kg/L.
- Compare a pounds per cubic foot value with a value reported in kilograms per litre.
- Check the lb/ft³-to-kg/L arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- A material's density can change with temperature, pressure, composition, and moisture content.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Pounds per cubic foot to Kilograms per litre?
result = input × 16.01846337 ÷ 1000 Using the displayed relationship, 1 lb/ft³ equals 0.01601846337 kg/L.
How many Kilograms per litre are in one Pounds per cubic foot?
One Pounds per cubic foot is 0.01601846337 Kilograms per litre. The displayed digits may be rounded.
Can I reverse the lb/ft³ to kg/L conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts kg/L back to lb/ft³.
Is the Pounds per cubic foot to Kilograms per litre result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.