Grams to Kilograms Converter
Convert grams to kilograms. The formula used here is 1 gram = 0.001 kilograms. The formula is kg = g × 0.001; 1 g is 0.001 kg.
A metric mass unit used for food, lab, and everyday weights.
The SI base unit of mass, commonly used for body weight and shipping.
Start with your value in grams, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.
For freight, food, medicine, and fitness work, keep enough decimal places to match the measuring device and round the displayed value only after the conversion.
Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself. This page displays converted values with up to 8 decimal places by default.
| Grams | Kilograms |
|---|---|
| 1 g | 0.001 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 100 g | 0.1 kg |
| 500 g | 0.5 kg |
| 1,000 g | 1 kg |
Useful for checking parcel and freight weights. Use the same formula with your exact input if the measurement needs to be documented.
Useful for scaling recipes or reading nutrition labels. Use the same formula with your exact input if the measurement needs to be documented.
Useful for fitness, health, and lab measurements. Use the same formula with your exact input if the measurement needs to be documented.
How do I convert grams to kilograms?
Enter the value in grams and apply kg = g × 0.001. Round the kilograms result after the conversion, not before.
What is 1 gram in kilograms?
1 g equals 0.001 kg with the current rounding setting. Keep more decimal places when the result feeds another calculation.
What is 5 g in kg?
5 g is 0.005 kg. It appears in the lookup table so you can compare it with nearby amounts.
Can I convert kilograms back to grams?
Yes. Use the reverse Kilograms to Grams converter if you need to go the other direction.
How accurate is this grams to kilograms conversion?
The calculator runs the formula in your browser and rounds results to 8 decimal places by default. Most weight conversions here use exact defined relationships between metric and avoirdupois units, so the main accuracy limit is the input measurement itself.