Imperial to Troy Converter
Select the units that you want to convert with the drop down boxes and then enter the amount to convert in the box to convert to the other unit.
Imperial & Troy Weights
There are some similarities in naming between imperial and troy weights, both use pounds, ounces and grains, but although the grain is the same in both systems the pound and the ounce are of different weights and there are only 12 ounces to the troy pound whereas there are 16 ounces to the imperial pound.
Comparison Between Troy Weights & Imperial Weights
Imperial
 1 pound = 16 ounces
 1 ounce = 16 drams
 1 dram = 27.34375 grains
Troy
 1 troy pound = 12 troy ounces
 1 troy ounce = 20 pennyweights
 1 pennyweight = 24 grains
Note: The grain is the same weight in both systems and one imperial pound is 7,000 grains and 1 troy pound is 5,760 grains
Conversion Formulae
To convert from imperial to troy weights or vice versa the conversion formulae given below can be used.
Imperial Pound to Troy Formulae

Imperial Ounce to Troy Formulae

Troy Pound to Imperial Formulae

Troy Ounce to Imperial Formulae
