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Grams ⇄ Ounces Converter

🧪 Mass (metric)

i 1 kg = 1000 g · 1 g = 1000 mg

⚖️ Mass (imperial)

i Common ounce (avdp) is used for most goods; troy ounce is for precious metals.

Step-by-step derivation

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Quick summary

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Reference table

Unit	To grams (g)	Notes
1 mg	0.001 g	Metric
1 g	1 g	Metric base
1 kg	1000 g	Metric
1 oz (avdp)	28.349 523 125 g (exact)	Common/US & UK mass
1 lb	453.592 37 g (exact)	16 oz (avdp)
1 oz (troy)	31.103 476 8 g (exact)	Precious metals

i Sources: NIST exact definitions; see links below.

Sources: NIST: 1 oz (avdp) = 28.349 523 125 g · Wikipedia: ounce (avdp & troy)

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