Kilograms to Grams Converter
1 kilogram (kg) equals 1,000 grams (g).
Quick answer
To convert kilograms to grams, multiply by 1,000: 0.25 kg = 250 g.
- 1 kilogram = 1,000 grams
- 1 gram = 0.001 kilograms
- Formula: g = kg × 1,000
- Quick estimate: move the decimal point three places right: 1.2 kg = 1,200 g.
1 kilogram = 1,000 grams
How to convert kilograms to grams
g = kg × 1,000
To convert kilograms to grams, multiply the number of kilograms by 1,000.
Example: 42 kg to g
- Start with the value in kilograms: 42 kg.
- Multiply by 1,000: 42 × 1,000 = 42,000.
- Result: 42 kilograms = 42,000 grams.
Going the other way, 1 gram = 0.001 kilograms, so to convert grams back to kilograms you divide by the same number. See grams to kilograms.
Where the conversion factor comes from
The kilogram is the SI base unit of mass, defined since 2019 by fixing the value of the Planck constant. Metric prefixes are exact: 1 kg = 1,000 g, 1 g = 1,000 mg, and a metric tonne is 1,000 kg.
Mental math: kg to g in your head
Move the decimal point three places to the right.
When you need to convert kilograms to grams
- Scaling recipes.
- Nutrition (per 100 g).
Common mistakes
- Multiplying by 100.
Everyday kilograms in grams
| Example | Kilograms | Grams |
|---|---|---|
| Block of butter (Europe) | 0.25 kg | 250 g |
| Bag of rice | 1 kg | 1,000 g |
| Watermelon | 5 kg | 5,000 g |
Kilograms to grams conversion table
| Kilograms (kg) | Grams (g) |
|---|---|
| 0.1 kg | 100 g |
| 0.2 kg | 200 g |
| 0.3 kg | 300 g |
| 0.4 kg | 400 g |
| 0.5 kg | 500 g |
| 0.6 kg | 600 g |
| 0.7 kg | 700 g |
| 0.8 kg | 800 g |
| 0.9 kg | 900 g |
| 1 kg | 1,000 g |
| 1.5 kg | 1,500 g |
| 2 kg | 2,000 g |
| 2.5 kg | 2,500 g |
| 3 kg | 3,000 g |
| 3.5 kg | 3,500 g |
| 4 kg | 4,000 g |
| 4.5 kg | 4,500 g |
| 5 kg | 5,000 g |
| 6 kg | 6,000 g |
| 7 kg | 7,000 g |
| 7.5 kg | 7,500 g |
| 8 kg | 8,000 g |
| 9 kg | 9,000 g |
| 10 kg | 10,000 g |
| 11 kg | 11,000 g |
| 12 kg | 12,000 g |
| 13 kg | 13,000 g |
| 14 kg | 14,000 g |
| 15 kg | 15,000 g |
| 16 kg | 16,000 g |
| 17 kg | 17,000 g |
| 18 kg | 18,000 g |
| 19 kg | 19,000 g |
| 20 kg | 20,000 g |
| 21 kg | 21,000 g |
| 22 kg | 22,000 g |
| 23 kg | 23,000 g |
| 24 kg | 24,000 g |
| 25 kg | 25,000 g |
| 26 kg | 26,000 g |
More kg to g values
- 27 kg
- 28 kg
- 29 kg
- 30 kg
- 31 kg
- 32 kg
- 33 kg
- 34 kg
- 35 kg
- 36 kg
- 37 kg
- 38 kg
- 39 kg
- 40 kg
- 41 kg
- 42 kg
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- 180 kg
- 190 kg
- 200 kg
- 210 kg
- 220 kg
- 230 kg
- 240 kg
- 250 kg
- 260 kg
- 270 kg
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- 300 kg
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- 460 kg
- 470 kg
- 480 kg
- 490 kg
- 500 kg
- 600 kg
- 700 kg
- 800 kg
- 900 kg
- 1,000 kg
- 1,200 kg
- 1,500 kg
- 2,000 kg
- 2,500 kg
- 3,000 kg
- 4,000 kg
- 5,000 kg
- 10,000 kg
What is a kilogram?
The kilogram is the base unit of mass in the International System of Units (SI) and the unit used for body weight, food and goods in almost every country.
What is a gram?
The gram is a metric unit of mass equal to one thousandth of a kilogram.
Convert kilograms to other units
Convert other units to grams
Frequently asked questions
How many grams are in a kilogram?
One kilogram is 1,000 grams.
How many kilograms are in a gram?
One gram is 0.001 kilograms.
What is the formula to convert kilograms to grams?
g = kg × 1,000.
How many grams in a kilogram?
Exactly 1,000 grams.