This converter turns pounds per cubic foot into grams per cubic centimeter instantly, using the exact factor 1 pound per cubic foot = 0.01601846337 grams per cubic centimeter. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
The US construction unit for concrete, soil and timber density. Water is 1.0 g/cm³ by definition, making this the intuitive density unit.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
pounds per cubic foot- The amount you are converting, measured in pounds per cubic foot
0.01601846337- The exact number of grams per cubic centimeter in one pound per cubic foot
grams per cubic centimeter- The converted result
How it works, step by step
- Enter the number of pounds per cubic foot you want to convert.
- The value is multiplied by 0.01601846337, the exact conversion factor.
- The result is displayed in grams per cubic centimeter, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 pounds per cubic foot
Multiply 5 by 0.016018463. That gives 0.080092 grams per cubic centimeter. A quick sanity check: one pound per cubic foot is smaller than one gram per cubic centimeter, so the number should get smaller — and it does.
Converting 72 pounds per cubic foot
72 × 0.016018463 = 1.1533 grams per cubic centimeter. Working backwards, 1.1533 ÷ 0.016018463 returns 72 pounds per cubic foot, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many grams per cubic centimeter are in one pound per cubic foot?
Exactly 0.01601846337. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert pounds per cubic foot to grams per cubic centimeter?
Grams Per Cubic Centimeter = pounds per cubic foot × 0.01601846337. To reverse it, divide instead: pounds per cubic foot = grams per cubic centimeter ÷ 0.01601846337, which is the same as multiplying by 62.42796058.
Is the pound per cubic foot bigger than the gram per cubic centimeter?
No. One pound per cubic foot is only 0.0160185 of a gram per cubic centimeter, so the gram per cubic centimeter is the larger unit.
Why does my answer differ slightly from other lb-ft3 to g-cm3 converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a pound per cubic foot?
The US construction unit for concrete, soil and timber density.
What is a gram per cubic centimeter?
Water is 1.0 g/cm³ by definition, making this the intuitive density unit.
Pounds Per Cubic Foot to grams per cubic centimeter reference table
| Pounds Per Cubic Foot | Grams Per Cubic Centimeter |
|---|---|
| 0.5 lb/ft³ | 0.008009 g/cm³ |
| 1 lb/ft³ | 0.016018 g/cm³ |
| 2 lb/ft³ | 0.032037 g/cm³ |
| 3 lb/ft³ | 0.048055 g/cm³ |
| 5 lb/ft³ | 0.080092 g/cm³ |
| 10 lb/ft³ | 0.160185 g/cm³ |
| 15 lb/ft³ | 0.240277 g/cm³ |
| 20 lb/ft³ | 0.320369 g/cm³ |
| 25 lb/ft³ | 0.400462 g/cm³ |
| 50 lb/ft³ | 0.800923 g/cm³ |
| 75 lb/ft³ | 1.2014 g/cm³ |
| 100 lb/ft³ | 1.6018 g/cm³ |
| 250 lb/ft³ | 4.0046 g/cm³ |
| 500 lb/ft³ | 8.0092 g/cm³ |
| 1000 lb/ft³ | 16.0185 g/cm³ |
Exact factor: 1 pound per cubic foot = 0.01601846337 grams per cubic centimeter. Values rounded for display.