Why Convert Kilograms to Grams?
Converting between kilograms (kg) and grams (g) is one of the most common mass conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert kg to g saves time and prevents errors.
Mass conversions between kg and g come up constantly in everyday life. International travelers need to convert luggage weight limits — airlines typically allow 23 kg (≈50.7 lb) for checked bags and 7-10 kg for carry-on. In fitness, gym equipment in the US uses pounds while most of the world uses kilograms. Cooking recipes from different countries require converting between grams, ounces, and pounds for accurate measurements.
How to Convert Kilograms to Grams
To convert kilograms to grams, use the following formula:
g = kg × 1000
Example: 1 kg = 1000 g
For example, 5 kg = 5000 g, 10 kg = 10000 g, and 100 kg = 100000 g. Our calculator above performs this conversion instantly with full precision — no rounding errors.
Common Use Cases
- 1 kg bag of flour: 1 kg = 1000 g
- Half a kilo of rice: 0.5 kg = 500 g
- 2.5 kg bag of sugar: 2.5 kg = 2500 g
- 100 ml liquid toiletry (≈100 g for water-based): 0.1 kg = 100 g
Common Mistakes to Avoid
- Confusing mass and weight: In everyday use, "weight" and "mass" are interchangeable, but in science they differ. This converter handles mass units.
- Pound ambiguity: The avoirdupois pound (lb, used for everyday weight) differs from the troy pound (used for precious metals). This converter uses avoirdupois.
- Rounding errors in cooking: When converting kg to g for recipes, round to the nearest practical measurement (e.g., nearest 5g or ¼ oz).
Pro Tips
- Memorize the factor: 1 kg = 1000 g. For quick mental math, remember this base conversion.
- Quick reference: 5 kg = 5000 g · 10 kg = 10000 g · 25 kg = 25000 g · 50 kg = 50000 g · 100 kg = 100000 g
- Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.
Kilograms to Grams Conversion Table
| kg | g |
|---|---|
| 0.01 kg | 10 g |
| 0.1 kg | 100 g |
| 0.5 kg | 500 g |
| 1 kg | 1000 g |
| 2 kg | 2000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 20 kg | 20000 g |
| 50 kg | 50000 g |
| 100 kg | 100000 g |
| 500 kg | 500000 g |
| 1000 kg | 1000000 g |
All values in this table are mathematically exact per NIST SP 811.