How to convert Carat to Grain

Conversion factor and calculation steps from Carat (ct) to Grain (gr).

Conversion logic

Each unit is defined via the base unit (kilogram (kg)). The value is first converted to the base unit, then to the selected unit.

1 ct = 0.0002 kg

1 gr = 6.47989100e-5 kg

1 ct × 0.0002 = 0.0002 kg

0.0002 kg ÷ 6.47989100e-5 = 3.08647167059 gr