Grams (g) to Kilograms (kg) Converter
Enter a value to instantly convert between weight units.
1 Gram = 0.001 Kilogram
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
kg = g ÷ 1000A gram is one-thousandth of a kilogram — small enough for recipes and chemical reagents, but still manageable on precision scales. Since the kilogram is the everyday unit for body weight, packages, and trade, converting grams to kilograms means dividing by 1000. It's a common operation in food manufacturing, pharmacy, and any lab that weigh ingredients.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A food manufacturer batches 500 g of chocolate for a recipe — they report it as 0.5 kg for inventory.
500 g = 0.5 kg
A pharmacist weighing 250 g of compound needs to record it in kilograms for the central database.
250 g = 0.25 kg
A shipping label shows 1000 g — that's exactly 1 kg, the threshold where many carriers start charging higher rates.
1000 g = 1 kg
A sample in a materials test lab weighs 50 g — converting to kg gives a number that's easier to compare against bulk material specs.
50 g = 0.05 kg