Weight Converter

Convert between troy ounces, grams, pennyweight, kilos, tola, tael, and more.

Amount

Unit

1 Troy Ounces =

Grams (g)31.1035

Kilograms (kg)0.0311

Pennyweight (dwt)20.0001

Ounces (avdp) (oz)1.0971

Pounds (lb)0.0686

Tola (tola)2.6667

Tael (Chinese) (tael)0.8310

Grains (gr)480.00

Quick Reference

1 Troy Oz = 31.1035g

1 Troy Oz = 20 Pennyweight

1 Kilogram = 32.1507 Troy Oz

1 Tola = 11.6638g

1 Tael = 37.429g

1 Troy Oz ≠ 1 Avoirdupois Oz

Troy vs Avoirdupois

Precious metals are always weighed in troy ounces (31.1g), not standard avoirdupois ounces (28.3g). A troy ounce is about 10% heavier than a regular ounce.