Mass per volume density.
Ounce per Cubic inches to Kilograms per Cubic foot Converter — oz/in3 to kg/ft3
Convert Ounce per Cubic inch (oz/in3) to Kilogram per Cubic foot (kg/ft3) using the exact conversion factor (1 ounce per cubic inch = 48.98797596 kilogram per cubic foot). See the formula, worked examples, conversion table, and common uses.
Ounce per Cubic inches to Kilograms per Cubic foot 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 1729.994044 / 35.31466672.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce per Cubic inches to Kilograms per Cubic foot
Ounce per Cubic inch and Kilogram per Cubic foot 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
kilograms per cubic foot = ounce per cubic inches × 48.98797596
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic inch equals 1729.99404439 base units, and 1 kilogram per cubic foot equals 35.3146667215 base units, so dividing one by the other gives the direct ounce per cubic inch-to-kilogram per cubic foot factor of 48.98797596.
Simple example
1 oz/in3 × 48.98797596 = 48.98797596 kg/ft3
1 ounce per cubic inch = 48.98797596 kilograms per cubic foot.
Real-world example
1,000 oz/in3 × 48.98797596 = 48,987.97596 kg/ft3
1,000 ounce per cubic inches = 48,987.97596 kilograms per cubic foot.
Conversion table
| Ounce per Cubic inch (oz/in3) | Kilogram per Cubic foot (kg/ft3) |
|---|---|
| 0.1 oz/in3 | 4.898797596 kg/ft3 |
| 1 oz/in3 | 48.98797596 kg/ft3 |
| 10 oz/in3 | 489.8797596 kg/ft3 |
| 100 oz/in3 | 4,898.797596 kg/ft3 |
| 1,000 oz/in3 | 48,987.97596 kg/ft3 |
| 10,000 oz/in3 | 489,879.7596 kg/ft3 |
Reverse conversion: Kilogram per Cubic foot to Ounce per Cubic inch
48.98797596 kg/ft3 × 0.02041317242 = 1 oz/in3
48.98797596 kilograms per cubic foot = 1 ounce per cubic inches.
ounce per cubic inches = kilograms per cubic foot × 0.0204131724245
For a page dedicated to this direction, see Kilogram per Cubic foot to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
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
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 foot are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 48.98797596 kilograms per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to kilogram per cubic foot?
Multiply the ounce per cubic inch value by 48.98797596. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic foot back to ounce per cubic inch?
Use the reverse factor: 1 kilogram per cubic foot equals 0.0204131724 ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
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.
Is the ounce per cubic inch to kilogram per cubic foot conversion exact?
Yes. Both ounce per cubic inch and kilogram per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 48.98797596 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.