--- title: "21 t to g = 21,000,000 g" description: "21 tonnes is 21,000,000 grams. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/21-tonnes-to-grams/ site: "At One Place" --- # 21 t to g **21 tonnes in grams: 21 t = 21,000,000 g** g = t × 1,000,000 21 tonnes is 21,000,000 grams. To get there, multiply by 1,000,000. ## Values either side *Tonnes near 21, converted to grams.* | Tonnes | Grams | | --- | --- | | 17 t | 17,000,000 | | 18 t | 18,000,000 | | 19 t | 19,000,000 | | 20 t | 20,000,000 | | 21 t ← | 21,000,000 | | 22 t | 22,000,000 | | 23 t | 23,000,000 | | 24 t | 24,000,000 | | 25 t | 25,000,000 | ## How the conversion works The relationship is g = t × 1,000,000. Both units measure mass, so the conversion is a fixed factor that never changes. > Tonne: Also called a metric ton. ## Common questions ### What is 21 t in grams? 21 t is 21,000,000 g. ### How do you convert tonnes to grams? Multiply by 1,000,000. ## Related pages - [Tonnes to grams](https://atoneplace.net/convert/tonnes-to-grams/) - [21 g to t](https://atoneplace.net/convert/21-grams-to-tonnes/) - [17 t to g](https://atoneplace.net/convert/17-tonnes-to-grams/) - [18 t to g](https://atoneplace.net/convert/18-tonnes-to-grams/) - [19 t to g](https://atoneplace.net/convert/19-tonnes-to-grams/) - [20 t to g](https://atoneplace.net/convert/20-tonnes-to-grams/) - [22 t to g](https://atoneplace.net/convert/22-tonnes-to-grams/) - [23 t to g](https://atoneplace.net/convert/23-tonnes-to-grams/) - [24 t to g](https://atoneplace.net/convert/24-tonnes-to-grams/) - [25 t to g](https://atoneplace.net/convert/25-tonnes-to-grams/) ## 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/)