KG to G Converter
Convert kilograms to grams in one step. A kilogram is exactly 1,000 grams — the metric system is built on thousands — so the answer is always exact, never an estimate.
Convert kilograms to grams
It opens on 1 kilograms — change the weight or the units to convert anything else.
Your converted weight will appear here.
The KG to G conversion, exactly
The factor, the working and the neighbouring units — shown with every result.
Always exact
2.5 kg is 2,500 g every time — the factor is a definition, not a measurement.
Seven units
Grams, kilograms, tonnes, ounces, pounds and US and UK tons in the same converter.
Both directions
Swap converts grams back to kilograms in one click.
About KG to G conversion
The kilogram and the gram are two sizes of the same metric unit. 1 kilogram is exactly 1,000 grams — kilo means thousand, so converting kg to g is always a multiplication by 1,000: move the decimal point three places to the right. 0.5 kg is 500 g, 1.75 kg is 1,750 g, and 12 kg is 12,000 g. There is no rounding in the factor itself; any rounding you see is only in how the final number is displayed.
The conversion turns up most often in the kitchen and at the post office. Recipes written for larger batches give flour, sugar and meat in kilograms, while home scales read in grams. Parcels are the other way round: a courier rate card prices a 2 kg box, but your scale shows 1,850 g, and you need the kg figure to know which price band you are in. Laboratory and school work uses the same step, because grams are the practical size for small samples while kilograms keep large totals short.
Common kg to g conversions:
| Kilograms (kg) | Grams (g) |
|---|---|
| 0.25 kg | 250 g |
| 0.5 kg | 500 g |
| 1 kg | 1,000 g |
| 2.5 kg | 2,500 g |
| 5 kg | 5,000 g |
| 10 kg | 10,000 g |
| 75 kg | 75,000 g |
Frequently asked questions
The factor, the formula and the cases people trip over.
How many grams are in a kilogram?
Exactly 1,000. The gram is defined as one thousandth of a kilogram, so the conversion is a multiplication by 1,000 with no rounding in the factor.
How do I convert kg to g?
Multiply the kilograms by 1,000. For example, 3.2 kg x 1,000 = 3,200 g, and 0.75 kg x 1,000 = 750 g. This page does it for any value, including decimals.
Is 500 g half a kilogram?
Yes. 500 g is exactly 0.5 kg. Half, quarter and three-quarter kilograms are 500 g, 250 g and 750 g.
Why do recipes mix kg and g?
Cookbooks use kilograms for large ingredients because the numbers stay short, and grams for small ones because they are more precise. A bread recipe might list 1 kg of flour but 10 g of yeast — both are easier to weigh in those units.
What is the difference between kg and g?
Only the size. Both measure mass in the metric system; the kilogram is 1,000 times the gram. Tonnes continue the same ladder — 1 tonne is 1,000 kg.
Is anything I enter stored?
No. The conversion runs entirely in your browser; nothing is uploaded or saved.