---
title: "1,000 mg to t = 0.000001 t"
description: "1,000 milligrams is 0.000001 tonnes. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/1000-mg-to-tonnes/
site: "At One Place"
---

# 1,000 mg to t

**1,000 milligrams in tonnes: 1,000 mg = 0.000001 t**

t = mg × 1 × 10^-9

1,000 milligrams is 0.000001 tonnes. To get there, multiply by 1 × 10^-9.

## Values either side

*Milligrams near 1,000, converted to tonnes.*

| Milligrams | Tonnes |
| --- | --- |
| 350 mg | 3.5 × 10^-7 |
| 400 mg | 4 × 10^-7 |
| 500 mg | 5 × 10^-7 |
| 750 mg | 7.5 × 10^-7 |
| 1,000 mg ← | 0.000001 |

## How the conversion works

The relationship is t = mg × 1 × 10^-9. Both units measure mass, so the conversion is a fixed factor that never changes.

> Tonne: Also called a metric ton.

## Common questions

### What is 1,000 mg in tonnes?

1,000 mg is 0.000001 t.

### How do you convert milligrams to tonnes?

Multiply by 1 × 10^-9.

## Related pages

- [Milligrams to tonnes](https://atoneplace.net/convert/mg-to-tonnes/)
- [1,000 t to mg](https://atoneplace.net/convert/1000-tonnes-to-mg/)
- [350 mg to t](https://atoneplace.net/convert/350-mg-to-tonnes/)
- [400 mg to t](https://atoneplace.net/convert/400-mg-to-tonnes/)
- [500 mg to t](https://atoneplace.net/convert/500-mg-to-tonnes/)
- [750 mg to t](https://atoneplace.net/convert/750-mg-to-tonnes/)

## 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/)