---
title: "Grams to Kilograms — g to kg converter"
description: "1 gram = 0.001 kilograms. Convert grams to kilograms with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/grams-to-kg/
site: "At One Place"
---

# Grams to kilograms

**1 gram in kilograms: 1 g = 0.001 kg**

kg = g × 0.001

To convert grams to kilograms, multiply by 0.001. The table below gives the values people look up most often, and the converter works for any number.

## Grams to kilograms table

*Common gram values converted to kilograms.*

| Grams | Kilograms |
| --- | --- |
| 1 g | 0.001 |
| 2 g | 0.002 |
| 3 g | 0.003 |
| 4 g | 0.004 |
| 5 g | 0.005 |
| 10 g | 0.01 |
| 15 g | 0.015 |
| 20 g | 0.02 |
| 25 g | 0.025 |
| 30 g | 0.03 |
| 40 g | 0.04 |
| 50 g | 0.05 |
| 75 g | 0.075 |
| 100 g | 0.1 |
| 250 g | 0.25 |
| 500 g | 0.5 |
| 1,000 g | 1 |

## How the conversion works

The relationship is kg = g × 0.001. Both units measure mass, so the conversion is a fixed factor that never changes.

## Common questions

### How many kilograms are in one gram?

One gram equals 0.001 kilograms. kg = g × 0.001.

### How do you convert grams to kilograms?

Use kg = g × 0.001. So 10 g is 0.01 kg.

### How many grams are in one kilogram?

One kilogram equals 1,000 grams, which is the reverse of the conversion above.

## Related pages

- [Kilograms to Grams](https://atoneplace.net/convert/kg-to-grams/)
- [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/)