Mass per volume density.
Kilograms per Cubic foot to Grams per Gallon Converter — kg/ft3 to g/gal
Convert Kilogram per Cubic foot (kg/ft3) to Gram per Gallon (g/gal) using the exact conversion factor (1 kilogram per cubic foot = 133.6805556 gram per gallon). See the formula, worked examples, conversion table, and common uses.
Kilograms per Cubic foot 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 35.31466672 / 0.2641720524.
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 Grams per Gallon
Kilogram per Cubic foot 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. 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
grams per gallon = kilograms per cubic foot × 133.680555556
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 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct kilogram per cubic foot-to-gram per gallon factor of 133.680555556.
Simple example
1 kg/ft3 × 133.6805556 = 133.6805556 g/gal
1 kilogram per cubic foot = 133.6805556 grams per gallon.
Real-world example
1,000 kg/ft3 × 133.6805556 = 133,680.5556 g/gal
1,000 kilograms per cubic foot = 133,680.5556 grams per gallon.
Conversion table
| Kilogram per Cubic foot (kg/ft3) | Gram per Gallon (g/gal) |
|---|---|
| 0.1 kg/ft3 | 13.36805556 g/gal |
| 1 kg/ft3 | 133.6805556 g/gal |
| 10 kg/ft3 | 1,336.805556 g/gal |
| 100 kg/ft3 | 13,368.05556 g/gal |
| 1,000 kg/ft3 | 133,680.5556 g/gal |
| 10,000 kg/ft3 | 1,336,805.556 g/gal |
Reverse conversion: Gram per Gallon to Kilogram per Cubic foot
133.6805556 g/gal × 0.007480519481 = 1 kg/ft3
133.6805556 grams per gallon = 1 kilograms per cubic foot.
kilograms per cubic foot = grams per gallon × 0.00748051948052
For a page dedicated to this direction, see Gram per Gallon 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 Gram per Gallon (g/gal)
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 grams per gallon are in 1 kilogram per cubic foot?
1 kilogram per cubic foot equals 133.6805556 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic foot to gram per gallon?
Multiply the kilogram per cubic foot value by 133.6805556. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to kilogram per cubic foot?
Use the reverse factor: 1 gram per gallon equals 0.0074805195 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 gram per gallon?
Gram per Gallon (g/gal) is a unit of density.
Is the kilogram per cubic foot to gram per gallon conversion exact?
Yes. Both kilogram per cubic foot and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 133.6805556 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.