---
title: "Grains to Grams — gr to g converter"
description: "1 grain = 0.064799 grams. Convert grains to grams with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/grains-to-grams/
site: "At One Place"
---

# Grains to grams

**1 grain in grams: 1 gr = 0.064799 g**

g = gr × 0.06479891

To convert grains to grams, multiply by 0.06479891. The table below gives the values people look up most often, and the converter works for any number.

## Grains to grams table

*Common grain values converted to grams.*

| Grains | Grams |
| --- | --- |
| 1 gr | 0.064799 |
| 2 gr | 0.1296 |
| 3 gr | 0.1944 |
| 4 gr | 0.2592 |
| 5 gr | 0.32399 |
| 10 gr | 0.64799 |
| 15 gr | 0.97198 |
| 20 gr | 1.295978 |
| 25 gr | 1.619973 |
| 30 gr | 1.943967 |
| 40 gr | 2.591956 |
| 50 gr | 3.239946 |
| 75 gr | 4.859918 |
| 100 gr | 6.479891 |
| 250 gr | 16.19973 |
| 500 gr | 32.39946 |
| 1,000 gr | 64.79891 |

## How the conversion works

The relationship is g = gr × 0.06479891. Both units measure mass, so the conversion is a fixed factor that never changes.

## Common questions

### How many grams are in one grain?

One grain equals 0.064799 grams. g = gr × 0.06479891.

### How do you convert grains to grams?

Use g = gr × 0.06479891. So 10 gr is 0.64799 g.

### How many grains are in one gram?

One gram equals 15.43236 grains, which is the reverse of the conversion above.

## Related pages

- [Grams to Grains](https://atoneplace.net/convert/grams-to-grains/)
- [Grains to Kilograms](https://atoneplace.net/convert/grains-to-kg/)
- [Grains to Milligrams](https://atoneplace.net/convert/grains-to-mg/)
- [Grains to Tonnes](https://atoneplace.net/convert/grains-to-tonnes/)
- [Grains to Pounds](https://atoneplace.net/convert/grains-to-lbs/)
- [Grains to Ounces](https://atoneplace.net/convert/grains-to-oz/)
- [Grains to Stone](https://atoneplace.net/convert/grains-to-stone/)

## 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/)