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Troy ounces to Milligrams

1 oz t ≈ 31,100 mg. Edit either value to convert instantly.

1 oz t≈mg
≈ 0 lb 1.09714 oz · ≈ 31.1035 g

Conversion formula

mg = oz t × (0.0311034768) × (1,000,000)

1 oz t ≈ 31,103.5 mg

troy ounce (oz t)

A troy ounce is exactly 31.1034768 g and is used for precious metals; it differs from the 28.349523125 g avoirdupois ounce.

Source: NIST SP 811, Appendix B.9 — conversion factors

milligram (mg)

One milligram equals exactly 0.000001 kg.

Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units

Conversion table

oz tmg
≈ 31,103.5
≈ 62,207
≈ 155,517
≈ 311,035
≈ 466,552
≈ 622,070
≈ 777,587
≈ 933,104
≈ 1,244,140
≈ 1,399,660
oz tmg
≈ 1,555,170
≈ 1,866,210
≈ 2,177,240
≈ 2,488,280
≈ 2,799,310
≈ 3,110,350
≈ 4,665,520
≈ 4,976,560
≈ 5,287,590
≈ 5,598,630

Frequently asked questions

How many milligrams are in 1 troy ounce?

1 oz t ≈ 31,100 mg. mg = oz t × (0.0311034768) × (1,000,000)

How do I convert oz t to mg?

mg = oz t × (0.0311034768) × (1,000,000)

Is 1 troy ounce bigger than 1 milligram?

1 oz t ≈ 31,100 mg.

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