Unit Converter
Grain to Gram Converter
Convert gold grains to grams. 1 troy grain = 0.0648 grams. Grains are used in the US for gold coins and dust.
⚖️ Grain ↔ Gram Converter
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1 grain = 0.0647989 g · 480 grains = 1 troy oz (31.1035 g)
Frequently Asked Questions
How many grams is 1 grain?+
1 troy grain = 0.0647989 grams. This is the smallest unit in the troy weight system used for precious metals.
How many grains are in a troy ounce?+
1 troy ounce = 480 grains = 31.1035 grams.
How many grains are in 1 gram?+
1 gram = 15.432 grains (= 1 ÷ 0.0647989).
Where is grain used for gold?+
Grain is mainly used in the US for small gold coins and historical coin weights. Modern bullion coins like the American Gold Eagle specify their weight in troy ounces, not grains.
Is troy grain the same as regular grain?+
Yes — the grain is the same unit (0.0647989g) in both the troy and avoirdupois systems. Only the ounce and pound differ between the two systems.