To convert grains to carats, multiply by 0.32399455.
The calculation uses 1 gr = 0.32399455 ct. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in ct = value in gr × 0.32399455
gr- Input unit: grains
ct- Output unit: carats
How to use this calculator
- Enter a value in gr.
- Multiply by the stored conversion factor.
- Read the result in ct; divide by the same factor to convert back.
Worked examples
Worked conversion
1 gr × 0.32399455 ≈ 0.32399455 ct.
Reverse conversion
0.32399455 ct ÷ 0.32399455 ≈ 1 gr. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.32399455 ct per gr.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
gr to ct table
| gr | ct (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.32399455 |
| 2 | 0.6479891 |
| 5 | 1.61997275 |
| 10 | 3.2399455 |
| 100 | 32.399455 |
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Carats to Grains ConverterTo convert carats to grains, multiply by 3.086471671.Grains to Micrograms ConverterTo convert grains to micrograms, multiply by 64798.91.Grains to Long Tons ConverterTo convert grains to uk tons, multiply by 6.37755102e-8.Micrograms to Milligrams ConverterTo convert micrograms to mg, multiply by 0.001.Grains to Us Tons ConverterTo convert grains to us tons, multiply by 7.142857143e-8.Us Pints to Imperial Pints ConverterTo convert pints to imperial pints, multiply by 0.8326741846.