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Grains to Grams Converter

gr → g: type a value and the result appears instantly.

1 gr = 0.06479891 g
1 g = 15.43235835 gr
—

How to convert grains to grams

Use this formula:

g = gr × 0.06479891

Examples

gr to g conversion chart

grains (gr)grams (g)
0.1 gr0.00647989 g
0.25 gr0.0161997 g
0.5 gr0.0323995 g
1 gr0.0647989 g
2 gr0.129598 g
3 gr0.194397 g
4 gr0.259196 g
5 gr0.323995 g
6 gr0.388793 g
7 gr0.453592 g
8 gr0.518391 g
9 gr0.58319 g
10 gr0.647989 g
12 gr0.777587 g
15 gr0.971984 g
20 gr1.29598 g
25 gr1.61997 g
30 gr1.94397 g
40 gr2.59196 g
50 gr3.23995 g
60 gr3.88793 g
70 gr4.53592 g
75 gr4.85992 g
80 gr5.18391 g
90 gr5.8319 g
100 gr6.47989 g
150 gr9.71984 g
200 gr12.9598 g
250 gr16.1997 g
500 gr32.3995 g
1,000 gr64.7989 g

About the units

Grain (gr) is a commonly used unit. 1 gr = 64.79891 mg.

Gram (g) is a metric (SI) unit. 1 g = 0.001 kg.

Frequently asked questions

How do I convert grains to grams?
Multiply the value in gr by 0.06479891.
How many grams are in 1 grain?
1 gr = 0.06479891 g.
What is 12 gr in g?
12 gr = 0.777587 g.
How do I convert grams to grains?
Use the reverse converter: g → gr.

Weight Converter →

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters