Mass per volume density.
Kilograms per Cubic Millimeter to Grams per Cubic Centimeter Converter — kg/mm3 to g/cm3
Convert Kilogram per Cubic Millimeter (kg/mm3) to Gram per Cubic Centimeter (g/cm3) using the exact conversion factor (1 kilogram per cubic millimeter = 1,000,000 gram per cubic centimeter). See the formula, worked examples, conversion table, and common uses.
Kilograms per Cubic Millimeter to Grams per Cubic Centimeter 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 1e+9 / 1000.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cubic Millimeter to Grams per Cubic Centimeter
Kilogram per Cubic Millimeter and Gram per Cubic Centimeter 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. Both are mass per volume density units.
Formula
grams per cubic centimeter = kilograms per cubic millimeter × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic millimeter equals 1000000000 base units, and 1 gram per cubic centimeter equals 1000 base units, so dividing one by the other gives the direct kilogram per cubic millimeter-to-gram per cubic centimeter factor of 1000000.
Simple example
1 kg/mm3 × 1000000 = 1,000,000 g/cm3
1 kilogram per cubic millimeter = 1,000,000 grams per cubic centimeter.
Real-world example
1,000 kg/mm3 × 1000000 = 1,000,000,000 g/cm3
1,000 kilograms per cubic millimeter = 1,000,000,000 grams per cubic centimeter.
Conversion table
| Kilogram per Cubic Millimeter (kg/mm3) | Gram per Cubic Centimeter (g/cm3) |
|---|---|
| 0.1 kg/mm3 | 100,000 g/cm3 |
| 1 kg/mm3 | 1,000,000 g/cm3 |
| 10 kg/mm3 | 10,000,000 g/cm3 |
| 100 kg/mm3 | 100,000,000 g/cm3 |
| 1,000 kg/mm3 | 1,000,000,000 g/cm3 |
| 10,000 kg/mm3 | 10,000,000,000 g/cm3 |
Reverse conversion: Gram per Cubic Centimeter to Kilogram per Cubic Millimeter
1 g/cm3 × 0.000001 = 0.000001 kg/mm3
1 gram per cubic centimeter = 0.000001 kilograms per cubic millimeter.
kilograms per cubic millimeter = grams per cubic centimeter × 0.000001
For a page dedicated to this direction, see Gram per Cubic Centimeter to Kilogram per Cubic Millimeter.
Understanding the Kilogram per Cubic Millimeter (kg/mm3)
Mass per volume density.
Understanding the Gram per Cubic Centimeter
Gram per Cubic Centimeter (g/cm3) measures density. Numerically identical to kilograms per liter, since one cubic centimeter equals one milliliter — this is the form most commonly used in chemistry and materials-science textbooks. It is classified as a metric derived density unit.
Where it's used: Standard density unit in chemistry and materials science worldwide
Uses of the Gram per Cubic Centimeter today
- Material identification in chemistry and geology (mineral density tables)
- Materials science and engineering specifications
- Laboratory density measurements
Gram per Cubic Centimeter — sources
- BIPM SI Brochure — Gram and cubic centimeter as accepted units for expressing density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per cubic centimeter are in 1 kilogram per cubic millimeter?
1 kilogram per cubic millimeter equals 1,000,000 grams per cubic centimeter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic millimeter to gram per cubic centimeter?
Multiply the kilogram per cubic millimeter value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert gram per cubic centimeter back to kilogram per cubic millimeter?
Use the reverse factor: 1 gram per cubic centimeter equals 0.000001 kilograms per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic millimeter?
Kilogram per Cubic Millimeter (kg/mm3) is a unit of density.
What is a gram per cubic centimeter?
Gram per Cubic Centimeter (g/cm3) measures density. Numerically identical to kilograms per liter, since one cubic centimeter equals one milliliter — this is the form most commonly used in chemistry and materials-science textbooks. It is classified as a metric derived density unit.
Is the kilogram per cubic millimeter to gram per cubic centimeter conversion exact?
Yes. Both kilogram per cubic millimeter and gram per cubic centimeter are defined by fixed standards rather than physical artifacts, so the factor of 1000000 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.