Mass per volume density.
Metric tons per Cubic foot to Pounds per Cubic Millimeter Converter — t/ft3 to lb/mm3
Convert Metric ton per Cubic foot (t/ft3) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 metric ton per cubic foot = 0.0000778555 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Metric tons per Cubic foot to Pounds per Cubic Millimeter 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 35314.66672 / 4.5359237e+8.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Metric tons per Cubic foot to Pounds per Cubic Millimeter
Metric ton per Cubic foot and Pound per Cubic Millimeter 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
pounds per cubic millimeter = metric tons per cubic foot × 0.0000778555131372
This factor comes from each unit's defined relationship to the category's base unit: 1 metric ton per cubic foot equals 35314.6667215 base units, and 1 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct metric ton per cubic foot-to-pound per cubic millimeter factor of 0.0000778555131372.
Simple example
1 t/ft3 × 0.00007785551314 = 0.0000778555 lb/mm3
1 metric ton per cubic foot = 0.0000778555 pounds per cubic millimeter.
Real-world example
1,000 t/ft3 × 0.00007785551314 = 0.0778555131 lb/mm3
1,000 metric tons per cubic foot = 0.0778555131 pounds per cubic millimeter.
Conversion table
| Metric ton per Cubic foot (t/ft3) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 t/ft3 | 0.0000077856 lb/mm3 |
| 1 t/ft3 | 0.0000778555 lb/mm3 |
| 10 t/ft3 | 0.0007785551 lb/mm3 |
| 100 t/ft3 | 0.0077855513 lb/mm3 |
| 1,000 t/ft3 | 0.0778555131 lb/mm3 |
| 10,000 t/ft3 | 0.7785551314 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Metric ton per Cubic foot
0.0000778555 lb/mm3 × 12844.30556 = 0.9999998313 t/ft3
0.0000778555 pounds per cubic millimeter = 0.9999998313 metric tons per cubic foot.
metric tons per cubic foot = pounds per cubic millimeter × 12844.3055566
For a page dedicated to this direction, see Pound per Cubic Millimeter to Metric ton per Cubic foot.
Understanding the Metric ton per Cubic foot (t/ft3)
Mass per volume density.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic millimeter are in 1 metric ton per cubic foot?
1 metric ton per cubic foot equals 0.0000778555 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert metric ton per cubic foot to pound per cubic millimeter?
Multiply the metric ton per cubic foot value by 0.00007785551314. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to metric ton per cubic foot?
Use the reverse factor: 1 pound per cubic millimeter equals 12,844.30556 metric tons per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a metric ton per cubic foot?
Metric ton per Cubic foot (t/ft3) is a unit of density.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
Is the metric ton per cubic foot to pound per cubic millimeter conversion exact?
Yes. Both metric ton per cubic foot and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.00007785551314 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.