Weight Conversion Calculator Weight Conversion Calculator Convert a weight value from one unit to another. * Enter the weight value and select the units.Step 1: Enter Conversion Data Weight Value: From Unit: Grams (g)Kilograms (kg)Pounds (lb)Ounces (oz)Stones (st) To Unit: Grams (g)Kilograms (kg)Pounds (lb)Ounces (oz)Stones (st) Convert Weight Conversion ResultConverted Value: New Conversion Share: