Mass per volume density.
Kilogram per Cubic inches to Grams per Gallon Converter — kg/in3 to g/gal
Convert Kilogram per Cubic inch (kg/in3) to Gram per Gallon (g/gal) using the exact conversion factor (1 kilogram per cubic inch = 231,000 gram per gallon). See the formula, worked examples, and conversion table.
Kilogram per Cubic inches to Grams per Gallon 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 61023.74409 / 0.2641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilogram per Cubic inches to Grams per Gallon
Kilogram per Cubic inch and Gram per Gallon 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 gallon = kilogram per cubic inches × 231000
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic inch equals 61023.7440947 base units, and 1 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct kilogram per cubic inch-to-gram per gallon factor of 231000.
Simple example
1 kg/in3 × 231000 = 231,000 g/gal
1 kilogram per cubic inch = 231,000 grams per gallon.
Real-world example
1,000 kg/in3 × 231000 = 231,000,000 g/gal
1,000 kilogram per cubic inches = 231,000,000 grams per gallon.
Conversion table
| Kilogram per Cubic inch (kg/in3) | Gram per Gallon (g/gal) |
|---|---|
| 0.1 kg/in3 | 23,100 g/gal |
| 1 kg/in3 | 231,000 g/gal |
| 10 kg/in3 | 2,310,000 g/gal |
| 100 kg/in3 | 23,100,000 g/gal |
| 1,000 kg/in3 | 231,000,000 g/gal |
| 10,000 kg/in3 | 2,310,000,000 g/gal |
Reverse conversion: Gram per Gallon to Kilogram per Cubic inch
1 g/gal × 0.000004329004329 = 0.000004329 kg/in3
1 gram per gallon = 0.000004329 kilogram per cubic inches.
kilogram per cubic inches = grams per gallon × 0.000004329004329
For a page dedicated to this direction, see Gram per Gallon to Kilogram per Cubic inch.
Understanding the Kilogram per Cubic inch (kg/in3)
Mass per volume density.
Understanding the Gram per Gallon (g/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per gallon are in 1 kilogram per cubic inch?
1 kilogram per cubic inch equals 231,000 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic inch to gram per gallon?
Multiply the kilogram per cubic inch value by 231000. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to kilogram per cubic inch?
Use the reverse factor: 1 gram per gallon equals 0.000004329 kilogram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic inch?
Kilogram per Cubic inch (kg/in3) is a unit of density.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of density.
Is the kilogram per cubic inch to gram per gallon conversion exact?
Yes. Both kilogram per cubic inch and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 231000 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.