Home › Unit Conversion › Pounds per cubic inch to Grams per cubic centimeter
Pounds per cubic inch to Grams per cubic centimeter (lb/in³ to g/cm³)
Convert pounds per cubic inch to grams per cubic centimeter: 1 lb/in³ = 27.6799 g/cm³. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 lb/in³ = 27.6799 g/cm³
grams per cubic centimeter = pounds per cubic inch × 27.67990471 — reverse: pounds per cubic inch = grams per cubic centimeter × 0.036127292
The factor is derived from the SI definitions of both units (base unit: kg/m3) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 lb/in³ = 138.4 g/cm³
- 12.5 lb/in³ = 345.999 g/cm³
- 100 lb/in³ = 2767.99 g/cm³
Pounds per cubic inch to grams per cubic centimeter conversion table
| Pounds per cubic inch (lb/in³) | Grams per cubic centimeter (g/cm³) |
|---|---|
| 1 | 27.6799 |
| 2 | 55.3598 |
| 3 | 83.0397 |
| 4 | 110.72 |
| 5 | 138.4 |
| 6 | 166.079 |
| 7 | 193.759 |
| 8 | 221.439 |
| 9 | 249.119 |
| 10 | 276.799 |
| 15 | 415.199 |
| 20 | 553.598 |
| 25 | 691.998 |
| 30 | 830.397 |
| 40 | 1107.2 |
| 50 | 1384 |
| 75 | 2075.99 |
| 100 | 2767.99 |
| 200 | 5535.98 |
| 250 | 6919.98 |
| 500 | 13840 |
| 1000 | 27679.9 |
FAQ
How many grams per cubic centimeter are in one pound per cubic inch?
1 lb/in³ = 27.6799 g/cm³. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert pounds per cubic inch to grams per cubic centimeter?
Multiply the value in pounds per cubic inch by 27.67990471: grams per cubic centimeter = pounds per cubic inch × 27.67990471. For example, 5 lb/in³ = 138.4 g/cm³.
How do I convert grams per cubic centimeter back to pounds per cubic inch?
Multiply by the inverse factor 0.036127292 (pounds per cubic inch = grams per cubic centimeter × 0.036127292), or use the grams per cubic centimeter-to-pounds per cubic inch page.
Related conversions
- Grams per cubic centimeter to pounds per cubic inch (reverse)
- Density Converter — all density units in one tool
- Kilograms per cubic meter to Grams per cubic centimeter
- Grams per cubic centimeter to Kilograms per cubic meter
- Kilograms per cubic meter to Pounds per cubic foot
- Pounds per cubic foot to Kilograms per cubic meter
- Grams per milliliter to Kilograms per cubic meter
- Kilograms per cubic meter to Grams per milliliter
- Pounds per US gallon to Kilograms per liter
- Kilograms per liter to Pounds per US gallon
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=lb%2Fin3&to_unit=g%2Fcm3 - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"lb/in3","to_unit":"g/cm3"} - Markdown: https://tttkmbb.com/conversion/lb-per-in3-to-g-per-cm3.md · JSON: https://tttkmbb.com/conversion/lb-per-in3-to-g-per-cm3.json (add
?value=for a result) · Units: /api/v1/units?quantity=density - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.