421 g = 0.421 kg. To convert grams to kilograms, divide by 1,000: 421 ÷ 1,000 = 0.421.
How to convert grams to kilograms
kg = g × 0.001
- 1 g = 0.001 kg (and 1 kg = 1,000 g).
- Multiply the amount by the factor: 421 × 0.001 = 0.421.
- Answer: 421 g = 0.421 kg.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Grams to Kilograms table
| Grams (g) | Kilograms (kg) |
|---|---|
| 416 g | 0.416 kg |
| 417 g | 0.417 kg |
| 418 g | 0.418 kg |
| 419 g | 0.419 kg |
| 420 g | 0.42 kg |
| 421 g | 0.421 kg |
| 422 g | 0.422 kg |
| 423 g | 0.423 kg |
| 424 g | 0.424 kg |
| 425 g | 0.425 kg |
| 426 g | 0.426 kg |
| g | kg |
|---|---|
| 1 g | 0.001 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 1,000 g | 1 kg |