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Weight Converter

TheFreeWindows Weight Converter is a free service, that will help you convert between SI, Troy and Avoirdupois weight. Fill whatever measure you know and press the "Convert" button to see the equivalent in all the other measures.

SI (Metric)
Tonne
Kilogram (kg)
Gram (g)
Milligram (mg)
 
Troy weight
Pound (lb t)
Ounce (oz t)
PennyWeight (dwt)
Grain
Same as Avoirdupois grain
 
Avoirdupois weight
British ("long") ton
US ("short") ton
British ("long") hundredweight (cwt)
US ("short") hundredweight (cwt)
Stone
Pound (lb)
Ounce (oz)
Dram (dr)
Grain