Grain (gr)
The grain is used in ballistics, historical pharmacy, and some jewelry measurements.
History: the grain comes from the mass of a barley or wheat grain and survives in ballistics and old apothecary measures.
Quickly convert grains to kilograms without lookup tables or manual math.
This page is focused on converting grains to kilograms. Type a number into the first field and the result appears immediately in the second field.
Example: 1 gr = 0.0000647989 kg. Conversion formula: result = value × 6.479891E-5 / 1.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The grain is used in ballistics, historical pharmacy, and some jewelry measurements.
History: the grain comes from the mass of a barley or wheat grain and survives in ballistics and old apothecary measures.
The kilogram is the SI base unit of mass and the main mass measure in everyday life, trade, and science.
History: since 2019, the kilogram has been defined through the Planck constant rather than a physical artifact.
Enter a value in the Grain field. The converter applies the formula "result = value × 6.479891E-5 / 1" and immediately shows the result in kilograms.
1 gr = 0.0000647989 kg.
Yes. Use the swap button or choose the reverse pair from the full conversion list.