Weight Converter
Convert weights between metric and imperial units.
Calculator
Use the Weight Converter
Result
—
Formula
value × (from factor ÷ to factor)
Step-by-step
- 1
Enter the weight
The mass you want to convert.
- 2
Pick the units
Choose the source and target units.
Worked example
Example input: value: 1, from: kg, to: lb
Result: 2.2046
Related tools
- Length Converter
Convert distances.
Frequently asked questions
How many kilograms make one pound?
Exactly 0.45359237 kg by international agreement. That fixed factor is what the calculator uses, so 100 lb becomes about 45.36 kg every single time — no rounded sloppy factors involved. Kitchen and shipping scales normally agree with the same rounded picture, so cross-checking this output takes seconds.
How do ounces relate to pounds?
16 ounces make 1 pound, so 8 oz is exactly 226.796 grams. The calculator converts straight from ounces to metric without the middle pound step whenever you pick it as the source unit.
Why does the result show so many decimal places?
Because the factor itself is long and exact, the product inherits digits. Round to 2 decimals for recipes and daily use; keep all digits for shipping paperwork or lab work.