Mass per volume density.
Kilograms per Cubic foot to Kilograms per Cubic Millimeter Converter — kg/ft3 to kg/mm3
Convert Kilogram per Cubic foot (kg/ft3) to Kilogram per Cubic Millimeter (kg/mm3) using the exact conversion factor (1 kilogram per cubic foot = 3.531467e-8 kilogram per cubic millimeter). See the formula, worked examples, conversion table, and common uses.
Kilograms per Cubic foot to Kilograms per Cubic Millimeter converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 35.31466672 / 1e+9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cubic foot to Kilograms per Cubic Millimeter
Kilogram per Cubic foot and Kilogram per Cubic Millimeter both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Kilogram per Cubic foot is most often used for can be used to express the density of construction and bulk materials such as insulation, soil, or aggregate — in practice, pounds per cubic foot (us) or tons per cubic yard are the units more commonly seen in us construction references.
Formula
kilograms per cubic millimeter = kilograms per cubic foot × 3.531467e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic foot equals 35.3146667215 base units, and 1 kilogram per cubic millimeter equals 1000000000 base units, so dividing one by the other gives the direct kilogram per cubic foot-to-kilogram per cubic millimeter factor of 3.531467e-8.
Simple example
1 kg/ft3 × 3.531467e-8 = 3.531467e-8 kg/mm3
1 kilogram per cubic foot = 3.531467e-8 kilograms per cubic millimeter.
Real-world example
1,000 kg/ft3 × 3.531467e-8 = 0.0000353147 kg/mm3
1,000 kilograms per cubic foot = 0.0000353147 kilograms per cubic millimeter.
Conversion table
| Kilogram per Cubic foot (kg/ft3) | Kilogram per Cubic Millimeter (kg/mm3) |
|---|---|
| 0.1 kg/ft3 | 3.531467e-9 kg/mm3 |
| 1 kg/ft3 | 3.531467e-8 kg/mm3 |
| 10 kg/ft3 | 3.531467e-7 kg/mm3 |
| 100 kg/ft3 | 0.0000035315 kg/mm3 |
| 1,000 kg/ft3 | 0.0000353147 kg/mm3 |
| 10,000 kg/ft3 | 0.0003531467 kg/mm3 |
Reverse conversion: Kilogram per Cubic Millimeter to Kilogram per Cubic foot
3.531467e-8 kg/mm3 × 28316846.59 = 1.000000093 kg/ft3
3.531467e-8 kilograms per cubic millimeter = 1.000000093 kilograms per cubic foot.
kilograms per cubic foot = kilograms per cubic millimeter × 28316846.592
For a page dedicated to this direction, see Kilogram per Cubic Millimeter to Kilogram per Cubic foot.
Understanding the Kilogram per Cubic foot
Kilogram per Cubic foot (kg/ft3) measures density. A mathematically valid way to express density in kilograms per cubic foot. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Cubic foot today
- Can be used to express the density of construction and bulk materials such as insulation, soil, or aggregate — in practice, pounds per cubic foot (US) or tons per cubic yard are the units more commonly seen in US construction references
Understanding the Kilogram per Cubic Millimeter (kg/mm3)
Mass per volume density.
Kilogram per Cubic foot — sources
- US construction and materials-estimating references — US construction density figures are typically given in pounds per cubic foot or tons per cubic yard rather than kilograms per cubic foot.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic millimeter are in 1 kilogram per cubic foot?
1 kilogram per cubic foot equals 3.531467e-8 kilograms per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic foot to kilogram per cubic millimeter?
Multiply the kilogram per cubic foot value by 3.531467e-8. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic millimeter back to kilogram per cubic foot?
Use the reverse factor: 1 kilogram per cubic millimeter equals 28,316,846.59 kilograms per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic foot?
Kilogram per Cubic foot (kg/ft3) measures density. A mathematically valid way to express density in kilograms per cubic foot. It is classified as a mixed metric/US customary density unit.
What is a kilogram per cubic millimeter?
Kilogram per Cubic Millimeter (kg/mm3) is a unit of density.
Is the kilogram per cubic foot to kilogram per cubic millimeter conversion exact?
Yes. Both kilogram per cubic foot and kilogram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 3.531467e-8 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.