---
title: "Meters to Astronomical units — m to AU converter"
description: "1 meter = 6.685 × 10^-12 astronomical units. Convert meters to astronomical units with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/meters-to-astronomical-units/
site: "At One Place"
---

# Meters to astronomical units

**1 meter in astronomical units: 1 m = 6.685 × 10^-12 AU**

AU = m × 6.684587122 × 10^-12

To convert meters to astronomical units, multiply by 6.684587122 × 10^-12. The table below gives the values people look up most often, and the converter works for any number.

## Meters to astronomical units table

*Common meter values converted to astronomical units.*

| Meters | Astronomical units |
| --- | --- |
| 1 m | 6.685 × 10^-12 |
| 2 m | 1.337 × 10^-11 |
| 3 m | 2.005 × 10^-11 |
| 4 m | 2.674 × 10^-11 |
| 5 m | 3.342 × 10^-11 |
| 10 m | 6.685 × 10^-11 |
| 15 m | 1.003 × 10^-10 |
| 20 m | 1.337 × 10^-10 |
| 25 m | 1.671 × 10^-10 |
| 30 m | 2.005 × 10^-10 |
| 40 m | 2.674 × 10^-10 |
| 50 m | 3.342 × 10^-10 |
| 75 m | 5.013 × 10^-10 |
| 100 m | 6.685 × 10^-10 |
| 250 m | 1.671 × 10^-9 |
| 500 m | 3.342 × 10^-9 |
| 1,000 m | 6.685 × 10^-9 |

## How the conversion works

The relationship is AU = m × 6.684587122 × 10^-12. Both units measure length, so the conversion is a fixed factor that never changes.

## Common questions

### How many astronomical units are in one meter?

One meter equals 6.685 × 10^-12 astronomical units. AU = m × 6.684587122 × 10^-12.

### How do you convert meters to astronomical units?

Use AU = m × 6.684587122 × 10^-12. So 10 m is 6.685 × 10^-11 AU.

### How many meters are in one astronomical unit?

One astronomical unit equals 149,597,870,000 meters, which is the reverse of the conversion above.

## Related pages

- [Astronomical units to Meters](https://atoneplace.net/convert/astronomical-units-to-meters/)
- [Meters to Kilometers](https://atoneplace.net/convert/meters-to-km/)
- [Meters to Centimeters](https://atoneplace.net/convert/meters-to-cm/)
- [Meters to Millimeters](https://atoneplace.net/convert/meters-to-mm/)
- [Meters to Miles](https://atoneplace.net/convert/meters-to-miles/)
- [Meters to Yards](https://atoneplace.net/convert/meters-to-yards/)
- [Meters to Feet](https://atoneplace.net/convert/meters-to-feet/)
- [Meters to Inches](https://atoneplace.net/convert/meters-to-inches/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)