Kg to grams
One kg equals 1000 g. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| kg | grams |
|---|---|
| 1 kg | 1000 g |
| 2 kg | 2000 g |
| 3 kg | 3000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 15 kg | 15000 g |
| 20 kg | 20000 g |
| 25 kg | 25000 g |
| 50 kg | 50000 g |
| 100 kg | 100000 g |
| 500 kg | 500000 g |
| 1000 kg | 1000000 g |
How to use
- Enter the number of kg in the field.
- The result in grams updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: g = kg × 1000. Going back the other way, one g is 0.001 kg.
Metric units differ by powers of ten
Both units belong to the metric system, so the conversion is a shift of the decimal point: the factor is a power of ten and nothing is lost to rounding.
g = kg × 1000
Frequently asked questions
How many grams are in one kg?
One kg is 1000 g.
How do I convert kg to grams?
Multiply by the factor: g = kg × 1000.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert grams back to kg?
One g is 0.001 kg — or open the reverse page linked below.