Mass per volume density.
Kilograms per Gallon to Kilograms per Cubic Meter Converter — kg/gal to kg/m3
Convert Kilogram per Gallon (kg/gal) to Kilogram per Cubic Meter (kg/m3) using the exact conversion factor (1 kilogram per gallon = 264.1720524 kilogram per cubic meter). See the formula, worked examples, conversion table, unit comparison, and common uses.
Kilograms per Gallon to Kilograms per Cubic Meter 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 264.1720524 / 1.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Gallon to Kilograms per Cubic Meter
Kilogram per Gallon and Kilogram per Cubic Meter 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 Gallon is most often used for can be used to express liquid density such as fuel or industrial liquids in kilograms per gallon — in practice, kilograms per liter (metric) and pounds per gallon (us customary) are the specific pairings more commonly seen in fuel and liquid-density references.
Formula
kilograms per cubic meter = kilograms per gallon × 264.172052358
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per gallon equals 264.172052358 base units, and 1 kilogram per cubic meter equals 1 base unit, so dividing one by the other gives the direct kilogram per gallon-to-kilogram per cubic meter factor of 264.172052358.
Simple example
1 kg/gal × 264.1720524 = 264.1720524 kg/m3
1 kilogram per gallon = 264.1720524 kilograms per cubic meter.
Real-world example
1,000 kg/gal × 264.1720524 = 264,172.0524 kg/m3
1,000 kilograms per gallon = 264,172.0524 kilograms per cubic meter.
Conversion table
| Kilogram per Gallon (kg/gal) | Kilogram per Cubic Meter (kg/m3) |
|---|---|
| 0.1 kg/gal | 26.41720524 kg/m3 |
| 1 kg/gal | 264.1720524 kg/m3 |
| 10 kg/gal | 2,641.720524 kg/m3 |
| 100 kg/gal | 26,417.20524 kg/m3 |
| 1,000 kg/gal | 264,172.0524 kg/m3 |
| 10,000 kg/gal | 2,641,720.524 kg/m3 |
Reverse conversion: Kilogram per Cubic Meter to Kilogram per Gallon
264.1720524 kg/m3 × 0.003785411784 = 1 kg/gal
264.1720524 kilograms per cubic meter = 1 kilograms per gallon.
kilograms per gallon = kilograms per cubic meter × 0.003785411784
For a page dedicated to this direction, see Kilogram per Cubic Meter to Kilogram per Gallon.
Kilogram per Gallon vs. Kilogram per Cubic Meter
| Aspect | Kilogram per Gallon | Kilogram per Cubic Meter |
|---|---|---|
| Family | mixed metric/US customary density unit | SI coherent derived unit |
| Typical use | Can be used to express liquid density such as fuel or industrial liquids in kilograms per gallon — in practice, kilograms per liter (metric) and pounds per gallon (US customary) are the specific pairings more commonly seen in fuel and liquid-density references | Physics and engineering reference density values |
Understanding the Kilogram per Gallon
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Gallon today
- Can be used to express liquid density such as fuel or industrial liquids in kilograms per gallon — in practice, kilograms per liter (metric) and pounds per gallon (US customary) are the specific pairings more commonly seen in fuel and liquid-density references
Understanding the Kilogram per Cubic Meter
Kilogram per Cubic Meter (kg/m3) measures density. The SI coherent unit for density — the form all other metric density/concentration units in this catalog are ultimately defined relative to. It is classified as a SI coherent derived unit.
Where it's used: Universal — the official SI unit for density, used throughout physics and engineering worldwide
kg/m³ vs. g/L vs. kg/L. All three are exactly related: 1 kg/m³ = 1 g/L, and 1,000 kg/m³ = 1 kg/L. kg/m³ is the formal SI-coherent form; g/L and kg/L are more commonly used in everyday and laboratory contexts.
Uses of the Kilogram per Cubic Meter today
- Physics and engineering reference density values
- Material property tables in scientific literature
- Fluid dynamics and structural engineering calculations
Kilogram per Gallon — sources
- Fuel and petroleum liquid-density references — Liquid density figures for fuels are typically reported in kg/L, kg/m³, or lb/gal rather than kg/gal.
Kilogram per Cubic Meter — sources
- BIPM SI Brochure, 9th edition — Kilogram per cubic meter as the SI coherent derived unit for density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic meter are in 1 kilogram per gallon?
1 kilogram per gallon equals 264.1720524 kilograms per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per gallon to kilogram per cubic meter?
Multiply the kilogram per gallon value by 264.1720524. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic meter back to kilogram per gallon?
Use the reverse factor: 1 kilogram per cubic meter equals 0.0037854118 kilograms per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per gallon?
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
What is a kilogram per cubic meter?
Kilogram per Cubic Meter (kg/m3) measures density. The SI coherent unit for density — the form all other metric density/concentration units in this catalog are ultimately defined relative to. It is classified as a SI coherent derived unit.
Is the kilogram per gallon to kilogram per cubic meter conversion exact?
Yes. Both kilogram per gallon and kilogram per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 264.1720524 used above is exact to as many digits as you choose to display.
What is the difference between kg/m³ vs. g/l vs. kg/l?
All three are exactly related: 1 kg/m³ = 1 g/L, and 1,000 kg/m³ = 1 kg/L. kg/m³ is the formal SI-coherent form; g/L and kg/L are more commonly used in everyday and laboratory contexts.