⚖️ Weight & Mass
grams to kilograms Converter
Convert grams to kilograms instantly. Includes a reference table and formula.
Quick answer: To convert grams to kilograms, multiply by 0.001. For example, 1 grams = 0.001 kilograms. Use the calculator below for any value.
grams to kilograms
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Common conversions
| grams | kilograms |
|---|
Formula:
How to convert grams to kilograms
1
Enter your value
Type the number of grams you want to convert into the left box. The result in kilograms appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — kilograms to grams. Your current value carries across so you don't have to re-enter anything.
3
About grams and kilograms
grams and kilograms are both weight and mass. Use this converter to switch between them instantly.
💡 Did you know?
1 kg = 1,000 g exactly. The kilogram is the only SI base unit with a prefix in its name — historically because Lavoisier's reference 'gram' was too small for practical reference standards, so the 'kilogram' artefact became primary.
📊 Common conversions at a glance
| grams | kilograms |
|---|---|
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 750 | 0.75 |
| 1000 | 1 |
| 1500 | 1.5 |
Reviewed for 2026. grams ↔ kilograms conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.