# Cubic meters to Cubic feet (m³ to ft³)

> Convert cubic meters to cubic feet: 1 m³ = 35.3147 ft³. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

- Page id: `cubic-meters-to-cubic-feet` · Quantity: Volume (`volume`, base unit L) · Tool: `convert_units`
- Canonical page: https://tttkmbb.com/conversion/cubic-meters-to-cubic-feet · This document: https://tttkmbb.com/conversion/cubic-meters-to-cubic-feet.md · JSON: https://tttkmbb.com/conversion/cubic-meters-to-cubic-feet.json (add `?value=` for a result)

## Formula

- `1 m³ = 35.3147 ft³`
- `cubic feet = cubic meters × 35.31466672`
- Reverse: `cubic meters = cubic feet × 0.02831684659`

The factor follows from the SI definitions of both units (NIST SP 811); values below are rounded to 6 significant figures, the API returns up to 12.

## Worked examples

- 5 m³ = 176.573 ft³
- 12.5 m³ = 441.433 ft³
- 100 m³ = 3531.47 ft³

## Conversion table

| Cubic meters (m³) | Cubic feet (ft³) |
| --- | --- |
| 1 | 35.3147 |
| 2 | 70.6293 |
| 3 | 105.944 |
| 4 | 141.259 |
| 5 | 176.573 |
| 6 | 211.888 |
| 7 | 247.203 |
| 8 | 282.517 |
| 9 | 317.832 |
| 10 | 353.147 |
| 15 | 529.72 |
| 20 | 706.293 |
| 25 | 882.867 |
| 30 | 1059.44 |
| 40 | 1412.59 |
| 50 | 1765.73 |
| 75 | 2648.6 |
| 100 | 3531.47 |
| 200 | 7062.93 |
| 250 | 8828.67 |
| 500 | 17657.3 |
| 1000 | 35314.7 |

## API

- `GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=m3&to_unit=ft3` → unified JSON envelope with `result.values.result`, `formula`, `factor`, `sources`, `freshness`
- MCP: server `https://tttkmbb.com/mcp`, tool `convert_units` with `{"value":5,"from_unit":"m3","to_unit":"ft3"}`
- All volume units: https://tttkmbb.com/api/v1/units?quantity=volume · full converter: [Volume Converter](https://tttkmbb.com/conversion/volume.md)
- Authentication: none. Freshness: `static` (fixed conversion factors).

## FAQ

**How many cubic feet are in one cubic meter?**

1 m³ = 35.3147 ft³. 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 meters to cubic feet?**

Multiply the value in cubic meters by 35.31466672: cubic feet = cubic meters × 35.31466672. For example, 5 m³ = 176.573 ft³.

**How do I convert cubic feet back to cubic meters?**

Multiply by the inverse factor 0.02831684659 (cubic meters = cubic feet × 0.02831684659), or use the cubic feet-to-cubic meters page.

## Related conversions

- [Cubic feet to cubic meters](https://tttkmbb.com/conversion/cubic-feet-to-cubic-meters.md) (reverse)
- [Liters to US gallons](https://tttkmbb.com/conversion/liters-to-gallons.md)
- [US gallons to Liters](https://tttkmbb.com/conversion/gallons-to-liters.md)
- [Milliliters to US fluid ounces](https://tttkmbb.com/conversion/ml-to-fl-oz.md)
- [US fluid ounces to Milliliters](https://tttkmbb.com/conversion/fl-oz-to-ml.md)
- [Liters to Milliliters](https://tttkmbb.com/conversion/liters-to-ml.md)
- [Milliliters to Liters](https://tttkmbb.com/conversion/ml-to-liters.md)
- [US cups to Milliliters](https://tttkmbb.com/conversion/cups-to-ml.md)
- [Milliliters to US cups](https://tttkmbb.com/conversion/ml-to-cups.md)

## Data Sources

- NIST Special Publication 811 – Guide for the Use of the International System of Units (SI), Appendix B conversion factors — https://www.nist.gov/pml/special-publication-811 (standard, retrieved 2026-09-24)
- BIPM – The International System of Units (SI Brochure, 9th edition) — https://www.bipm.org/en/publications/si-brochure (standard, retrieved 2026-09-24)
- Wikipedia – Conversion of units — https://en.wikipedia.org/wiki/Conversion_of_units (reference, retrieved 2026-09-24)