--- title: "3 mg to t = 3 × 10^-9 t" description: "3 milligrams is 3 × 10^-9 tonnes. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/3-mg-to-tonnes/ site: "At One Place" --- # 3 mg to t **3 milligrams in tonnes: 3 mg = 3 × 10^-9 t** t = mg × 1 × 10^-9 3 milligrams is 3 × 10^-9 tonnes. To get there, multiply by 1 × 10^-9. ## Values either side *Milligrams near 3, converted to tonnes.* | Milligrams | Tonnes | | --- | --- | | 1 mg | 1 × 10^-9 | | 1.5 mg | 1.5 × 10^-9 | | 2 mg | 2 × 10^-9 | | 2.5 mg | 2.5 × 10^-9 | | 3 mg ← | 3 × 10^-9 | | 4 mg | 4 × 10^-9 | | 5 mg | 5 × 10^-9 | | 6 mg | 6 × 10^-9 | | 7 mg | 7 × 10^-9 | ## 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 3 mg in tonnes? 3 mg is 3 × 10^-9 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/) - [3 t to mg](https://atoneplace.net/convert/3-tonnes-to-mg/) - [1 mg to t](https://atoneplace.net/convert/1-mg-to-tonnes/) - [1.5 mg to t](https://atoneplace.net/convert/1-5-mg-to-tonnes/) - [2 mg to t](https://atoneplace.net/convert/2-mg-to-tonnes/) - [2.5 mg to t](https://atoneplace.net/convert/2-5-mg-to-tonnes/) - [4 mg to t](https://atoneplace.net/convert/4-mg-to-tonnes/) - [5 mg to t](https://atoneplace.net/convert/5-mg-to-tonnes/) - [6 mg to t](https://atoneplace.net/convert/6-mg-to-tonnes/) - [7 mg to t](https://atoneplace.net/convert/7-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/)