Convert kg to grams
Enter the value to convert from kilogram to gram.
How to Convert Kilogram to Gram
Converting kilogram to gram is straightforward using our conversion calculator.
Conversion Formula
g = kg × 1000Reverse conversion: Convert grams to kg
Comparison: Kilogram vs Gram
When to Use Each Unit
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Gram: Standard for food ingredients, medication dosing, jewelry, and small object measurements worldwide.
Common Conversion Values
- 1 kg = 1000 g
- 1 kg ≈ 2.205 lb
- 1 kg ≈ 35.27 oz
- 1 kg ≈ 0.157 stone
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
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