Kilogram to Gram Converter
Convert kilograms to grams instantly with formula, examples, preset buttons, and a reference table for food, packages, lab masses, and classroom problems.
Calculator
1 kilogram equals exactly 1000 grams in the metric system.
Quick answer
grams = kilograms x 1000. Reverse formula: kilograms = grams / 1000.
- 0.5 kg = 500 g
- 1 kg = 1000 g
- 2.5 kg = 2500 g
Quick conversion table
| Input | Result | Note |
|---|---|---|
| 0.001 kg | 1 g | grams = kilograms x 1000 |
| 0.01 kg | 10 g | grams = kilograms x 1000 |
| 0.1 kg | 100 g | grams = kilograms x 1000 |
| 0.5 kg | 500 g | grams = kilograms x 1000 |
| 1 kg | 1,000 g | grams = kilograms x 1000 |
| 2 kg | 2,000 g | grams = kilograms x 1000 |
| 5 kg | 5,000 g | grams = kilograms x 1000 |
Formula explanation
grams = kilograms x 1000. kilograms = grams / 1000. 1 kilogram equals exactly 1000 grams in the metric system.
Precision note
This metric conversion is exact. Most everyday values can be shown with 0 to 2 decimals, while lab values may need more precision.
Background
Kilograms are commonly used for body weight, packages, produce, and larger masses. Grams are used for smaller masses, recipes, nutrition labels, and lab measurements.
Real-world use cases
- Recipe and ingredient scaling
- Package and shipping weights
- School metric conversions
- Nutrition label calculations
Common mistakes to avoid
- Do not mix up kg and g; read the formula direction before copying the result.
- Do not round too early when the value will be used in another calculation.
- Use the reverse input box if you need to check the conversion in the opposite direction.
FAQ
How many grams are in 1 kilogram?
1 kilogram equals exactly 1000 grams.
How do I convert kg to g?
Multiply kilograms by 1000.
Is 1000 g the same as 1 kg?
Yes. 1000 grams equals 1 kilogram.
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