kg to g Converter

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Convert kilograms to grams using the SI relation 1 kg = 1,000 g. A 1.5 kg portion is 1,500 g; a 25 kg bag of flour breaks down to 25,000 g for ingredient-by-ingredient bakery calculations. Useful when retail or shipping totals are in kilograms but recipe or per-piece weights are tracked in grams. Browser-local.

Kilogram (kg)
Gram (g)

Kilogram (kg) ā†’ Gram (g)

Quick reference table

Kilogram (kg)Gram (g)
1 kg1000 g
2 kg2000 g
5 kg5000 g
10 kg10000 g
25 kg25000 g
50 kg50000 g
100 kg100000 g

Glossary

Kilogram (kg)

The kilogram is the SI base unit of mass, redefined in 2019 in terms of the Planck constant (h = 6.62607015Ɨ10ā»Ā³ā“ JĀ·s). One kilogram equals 1000 g, 2.20462 lb or 0.157 stone. It anchors all other metric mass units and is the standard for body weight, groceries, freight and scientific work in nearly every country.

Gram (g)

A gram is one thousandth of a kilogram (1 g = 1000 mg = 0.001 kg). It is the everyday metric unit for cooking ingredients, postal weights, jewellery and small-package retail. One US nickel weighs 5 g; a standard letter envelope tops out at about 30 g for the lowest postage tier.

Metric system (SI)

The metric system is a decimal system of measurement built around the kilogram for mass, the meter for length and the second for time, with multiples and submultiples expressed as powers of ten (milligram, gram, tonne). Adopted in France in 1799 and codified internationally as the International System of Units (SI) in 1960, it is now the official system in nearly every country and the standard in science.

Imperial / US Customary system

The imperial system is the historical English system of weights and measures whose mass units are the ounce, pound, stone and ton (16 oz = 1 lb, 14 lb = 1 stone, 2,000 lb = 1 US short ton). Codified by the British Weights and Measures Act of 1824 and aligned with US Customary by the 1959 international yard-and-pound agreement (1 lb = 0.45359237 kg exactly), it is still used in the United States and the United Kingdom for everyday weights.

Related tools

Grams to Kilograms
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