# Cubic yards to Cubic meters (yd³ to m³)

> Convert cubic yards to cubic meters: 1 yd³ = 0.764555 m³. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

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

## Formula

- `1 yd³ = 0.764555 m³`
- `cubic meters = cubic yards × 0.764554858`
- Reverse: `cubic yards = cubic meters × 1.307950619`

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 yd³ = 3.82277 m³
- 12.5 yd³ = 9.55694 m³
- 100 yd³ = 76.4555 m³

## Conversion table

| Cubic yards (yd³) | Cubic meters (m³) |
| --- | --- |
| 1 | 0.764555 |
| 2 | 1.52911 |
| 3 | 2.29366 |
| 4 | 3.05822 |
| 5 | 3.82277 |
| 6 | 4.58733 |
| 7 | 5.35188 |
| 8 | 6.11644 |
| 9 | 6.88099 |
| 10 | 7.64555 |
| 15 | 11.4683 |
| 20 | 15.2911 |
| 25 | 19.1139 |
| 30 | 22.9366 |
| 40 | 30.5822 |
| 50 | 38.2277 |
| 75 | 57.3416 |
| 100 | 76.4555 |
| 200 | 152.911 |
| 250 | 191.139 |
| 500 | 382.277 |
| 1000 | 764.555 |

## API

- `GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=yd3&to_unit=m3` → 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":"yd3","to_unit":"m3"}`
- 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 meters are in one cubic yard?**

1 yd³ = 0.764555 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 yards to cubic meters?**

Multiply the value in cubic yards by 0.764554858: cubic meters = cubic yards × 0.764554858. For example, 5 yd³ = 3.82277 m³.

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

Multiply by the inverse factor 1.307950619 (cubic yards = cubic meters × 1.307950619), or use the cubic meters-to-cubic yards page.

## Related conversions

- [Cubic meters to cubic yards](https://tttkmbb.com/conversion/cubic-meters-to-cubic-yards.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)