Carat to Gram
Free instant carat to gram converter. 1 ct = 0.2 g.
Common Carat to Gram values
| Carat (ct) | Gram (g) |
|---|---|
| 1 | 0.2 |
| 5 | 1 |
| 10 | 2 |
| 25 | 5 |
| 50 | 10 |
| 100 | 20 |
| 500 | 100 |
| 1000 | 200 |
How does Carat to Gram conversion work?
Type a value in the Carat (ct) field and the equivalent in Gram (g) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Carat. Used to weigh gemstones. Exactly 200 milligrams.
Gram. One thousandth of a kilogram. About the weight of a paperclip.
⚡ Instant results
No submit button — the result updates as you type. Math runs entirely in your browser, so it’s as fast as your device.
📱 Use on any device
Works in any modern browser — Mac, Windows, Linux, iPhone, Android, tablets. No installation, no signup.
🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
🎁 Always free, no signup
Free, every time. No account, no email, no “trial” that becomes paid. Ad-supported so you never have to pay.