LBS to KG Converter
Free lbs to kg converter — pounds to kilograms with the exact factor 1 lb = 0.45359237 kg. Instant two-way conversion, no signup.
About the LBS to KG Converter
Convert pounds to kilograms using the exact definition 1 lb = 0.45359237 kg. Type a weight in pounds and the kilogram value appears instantly — 150 lb is 68.04 kg — and editing the kilograms field converts the other way.
The everyday case is body weight: US scales, gym programs and forums quote pounds, while doctors, airlines and the rest of the world use kilograms. A 180 lb person is 81.65 kg; 200 lb is 90.72 kg. The table below covers common body weights from 100 to 250 lb.
It is equally useful for dumbbells and plates (a 45 lb plate is 20.4 kg), shipping weights, pet weights from a US vet chart, and recipe quantities in older cookbooks. A quick estimate: divide pounds by 2.2, or halve the pounds and take off 10%.
How to Use the LBS to KG Converter
- 1Enter a weight in pounds — for example 150.
- 2Read the kilogram result instantly (150 lb = 68.04 kg).
- 3Type in the kg field instead to convert kilograms to pounds.
- 4Use the table of common weights from 1 to 250 lb.
Frequently Asked Questions
What is 150 lbs in kg?
150 lb is 68.04 kg. Nearby weights: 140 lb = 63.5 kg, 160 lb = 72.57 kg and 170 lb = 77.11 kg.
How many kg is 1 pound?
1 lb is exactly 0.45359237 kg — roughly 0.454 kg or 454 grams. Going the other way, 1 kg is 2.20462 lb.
What is 200 lbs in kg?
200 lb is 90.72 kg. For lifters: a 225 lb bench (two 45 lb plates per side) is 102.06 kg, and 315 lb is 142.88 kg.
How do I convert lbs to kg without a calculator?
Halve the pounds, then subtract 10% of that: 180 lb → 90 → minus 9 = 81 kg, close to the exact 81.65 kg. Or simply divide by 2.2 for a slightly better estimate.
Are US and UK pounds the same?
Yes — since 1959 both use the international avoirdupois pound of exactly 0.45359237 kg. (The UK 'stone' is 14 of these pounds, so 11 stone = 154 lb = 69.85 kg.)