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Cubic feet to Cubic meters (ft³ to m³)
Convert cubic feet to cubic meters: 1 ft³ = 0.0283168 m³. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 ft³ = 0.0283168 m³
cubic meters = cubic feet × 0.02831684659 — reverse: cubic feet = cubic meters × 35.31466672
The factor is derived from the SI definitions of both units (base unit: L) 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 ft³ = 0.141584 m³
- 12.5 ft³ = 0.353961 m³
- 100 ft³ = 2.83168 m³
Cubic feet to cubic meters conversion table
| Cubic feet (ft³) | Cubic meters (m³) |
|---|---|
| 1 | 0.0283168 |
| 2 | 0.0566337 |
| 3 | 0.0849505 |
| 4 | 0.113267 |
| 5 | 0.141584 |
| 6 | 0.169901 |
| 7 | 0.198218 |
| 8 | 0.226535 |
| 9 | 0.254852 |
| 10 | 0.283168 |
| 15 | 0.424753 |
| 20 | 0.566337 |
| 25 | 0.707921 |
| 30 | 0.849505 |
| 40 | 1.13267 |
| 50 | 1.41584 |
| 75 | 2.12376 |
| 100 | 2.83168 |
| 200 | 5.66337 |
| 250 | 7.07921 |
| 500 | 14.1584 |
| 1000 | 28.3168 |
FAQ
How many cubic meters are in one cubic foot?
1 ft³ = 0.0283168 m³. 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 cubic feet to cubic meters?
Multiply the value in cubic feet by 0.02831684659: cubic meters = cubic feet × 0.02831684659. For example, 5 ft³ = 0.141584 m³.
How do I convert cubic meters back to cubic feet?
Multiply by the inverse factor 35.31466672 (cubic feet = cubic meters × 35.31466672), or use the cubic meters-to-cubic feet page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=ft3&to_unit=m3 - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"ft3","to_unit":"m3"} - Markdown: https://tttkmbb.com/conversion/cubic-feet-to-cubic-meters.md · JSON: https://tttkmbb.com/conversion/cubic-feet-to-cubic-meters.json (add
?value=for a result) · Units: /api/v1/units?quantity=volume - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.