Convert grams to kg
Enter the value to convert from gram to kilogram.
How to Convert Gram to Kilogram
Converting gram to kilogram is straightforward using our conversion calculator.
Conversion Formula
kg = g ÷ 1000Reverse conversion: Convert kg to grams
Comparison: Gram vs Kilogram
When to Use Each Unit
Gram: Standard for food ingredients, medication dosing, jewelry, and small object measurements worldwide.
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Common Conversion Values
- 1000 g = 1 kg
- 1 g ≈ 0.035 oz
- 453.6 g ≈ 1 lb
- 1 g = 1000 mg
About Gram
Definition: The gram (symbol: g) is a metric unit of mass equal to one thousandth of a kilogram, commonly used for small quantities.
History: Derived from the kilogram when the metric system was established. Became standard for food, medicine, and small item measurements.
Current Use: Standard for food ingredients, medication dosing, jewelry, and small object measurements worldwide.
Examples: Sugar packet: 4g, coin: 2-8g, smartphone: 150-250g, slice of bread: 25-30g
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg