⚖️ Weight & Mass
kilograms to grams Converter
Convert kilograms to grams instantly. Includes a reference table and formula.
Quick answer: To convert kilograms to grams, multiply by 1000. For example, 1 kilograms = 1000 grams. Use the calculator below for any value.
kilograms to grams
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Common conversions
| kilograms | grams |
|---|
Formula:
How to convert kilograms to grams
1
Enter your value
Type the number of kilograms you want to convert into the left box. The result in grams 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 — grams to kilograms. Your current value carries across so you don't have to re-enter anything.
3
About kilograms and grams
kilograms and grams are both weight and mass. Use this converter to switch between them instantly.
💡 Did you know?
Multiply kg by 1,000. The metric system was designed so that 1 kg = volume of 1 litre of water at 4°C (close to room temperature), giving the clean 1g/ml density of water.
📊 Common conversions at a glance
| kilograms | grams |
|---|---|
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
Reviewed for 2026. kilograms ↔ grams 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.