---
title: "Grams to Carats — g to ct converter"
description: "1 gram = 5 carats. Convert grams to carats with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/grams-to-carats/
site: "At One Place"
---

# Grams to carats

**1 gram in carats: 1 g = 5 ct**

ct = g × 5

To convert grams to carats, multiply by 5. The table below gives the values people look up most often, and the converter works for any number.

## Grams to carats table

*Common gram values converted to carats.*

| Grams | Carats |
| --- | --- |
| 1 g | 5 |
| 2 g | 10 |
| 3 g | 15 |
| 4 g | 20 |
| 5 g | 25 |
| 10 g | 50 |
| 15 g | 75 |
| 20 g | 100 |
| 25 g | 125 |
| 30 g | 150 |
| 40 g | 200 |
| 50 g | 250 |
| 75 g | 375 |
| 100 g | 500 |
| 250 g | 1,250 |
| 500 g | 2,500 |
| 1,000 g | 5,000 |

## How the conversion works

The relationship is ct = g × 5. Both units measure mass, so the conversion is a fixed factor that never changes.

## Common questions

### How many carats are in one gram?

One gram equals 5 carats. ct = g × 5.

### How do you convert grams to carats?

Use ct = g × 5. So 10 g is 50 ct.

### How many grams are in one carat?

One carat equals 0.2 grams, which is the reverse of the conversion above.

## Related pages

- [Carats to Grams](https://atoneplace.net/convert/carats-to-grams/)
- [Grams to Kilograms](https://atoneplace.net/convert/grams-to-kg/)
- [Grams to Milligrams](https://atoneplace.net/convert/grams-to-mg/)
- [Grams to Tonnes](https://atoneplace.net/convert/grams-to-tonnes/)
- [Grams to Pounds](https://atoneplace.net/convert/grams-to-lbs/)
- [Grams to Ounces](https://atoneplace.net/convert/grams-to-oz/)
- [Grams to Stone](https://atoneplace.net/convert/grams-to-stone/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)