Kilograms to Grams Converter
Convert kilograms to grams quickly. Free online kg to g calculator with common conversions and formula.
Formula
grams = kg × 1000
Common Conversions
How to Convert Kilograms to Grams
1 kilogram = 1000 grams. Multiply kilograms by 1000 (or move the decimal point three places right) to get grams. So 2.5 kg = 2,500 g. The simplest metric conversion, since 'kilo' literally means 1,000.
Useful when scaling recipes, calculating per-100-gram nutrition values, or working with large bags of flour where the ingredient list is in grams. A 5 kg bag = 5,000 g, divided by typical 250 g recipe portions = 20 batches.
Common Kilograms to Grams Conversions
| Kilograms | Grams |
|---|---|
| 0.1 kg | 100 g |
| 0.25 kg | 250 g |
| 0.5 kg | 500 g |
| 1 kg | 1000 g |
| 1.5 kg | 1500 g |
| 2.5 kg | 2500 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
Frequently Asked Questions
What's the prefix system?
SI prefixes: kilo = 1,000, mega = 1,000,000, giga = 1,000,000,000. Below 1: milli = 1/1,000, micro = 1/1,000,000. So 1 kg = 1,000 g = 1,000,000 mg = 1,000,000,000 µg. Each step is a factor of 1,000.
Why do scales show kg and grams?
Most digital scales auto-switch units based on weight - sub-1 kg shows in grams (more precision), over 1 kg shows in kg (more readable). Toggle button forces specific unit. Same physical weight, different display.
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