How to convert weight on this page
- Enter the amount on the top left; read the converted value on the top right.
- Tap a unit under From and To, or use Swap units ⇄ to flip.
- Try shortcuts such as 150 lb → kg for body weight, or 500 g → oz for small packages.
1 lb = 0.45359237 kg (international avoirdupois pound). 1 oz = 1/16 lb. For BMR and body fat you need kg—convert here if you only know pounds. Pair with the length converter when height is in feet/inches.
Example: 150 lb to kg
150 × 0.45359237 ≈ 68.0 kg.
Airline and gym weights
A 50 lb (≈22.7 kg) carry-on limit vs a 23 kg checked bag—convert both on one page. Gym plates labeled in lb while you log kg in a fitness app? Use lb ↔ kg shortcuts and edit the number.
After converting for health tools
Enter kg on BMR and calorie calculators; use cm from the length converter when height was in feet and inches.
Small amounts
8 oz ≈ 227 g; 12 oz ≈ 340 g—handy for coffee bags or US nutrition labels vs a kitchen scale in grams.
How many kg is 150 pounds?
About 68.0 kg (150 × 0.45359237). Enter 150, choose lb → kg, or tap the 150 lb → kg shortcut. Change the number for any body or luggage weight.
How do you convert pounds to kilograms?
Multiply pounds by 0.45359237. Example: 180 lb ≈ 81.6 kg. Type the value, select lb under From and kg under To—the result updates instantly in your browser.
How do you convert kg to pounds?
Multiply kg by 2.2046226218 (or divide by 0.45359237). Example: 70 kg ≈ 154.3 lb. Use the 70 kg → lb shortcut or pick units yourself.
How many pounds is 70 kg?
70 kg ≈ 154.3 lb. Enter 70, kg → lb. Useful when a US scale or gym chart lists pounds but you track kilograms.
1 pound equals how many kg?
Exactly 0.45359237 kg for the international avoirdupois pound. Enter 1 lb → kg to see the full precision.
How many grams in an ounce? (oz to g)
1 avoirdupois oz ≈ 28.35 g (1/16 lb). Try 16 oz → g for one pound of ingredients, or 500 g → oz for a half-kilo label.
150 lbs vs 150 lb—which is correct?
Both mean pounds; “lbs” is informal plural. This tool uses lb—enter 150 either way in the amount field.
How do I convert stone to kg?
1 stone = 14 lb. Multiply stone by 14 to get pounds, then convert lb → kg here. Example: 10 stone = 140 lb ≈ 63.5 kg.
Weight for BMI, BMR, or body fat calculators?
BMI accepts kg or lb directly. BMR, calorie, and body fat pages use kg—convert lb here first. Height in ft/in? Use the length converter for cm.
Troy ounces for gold or silver?
No—this page uses everyday avoirdupois ounces. Troy oz are heavier; use a precious-metal-specific chart for bullion.
200 lb to kg?
200 × 0.45359237 ≈ 90.7 kg. Tap lb → kg and enter 200.
500 g to oz?
500 g ≈ 17.6 oz. Use the 500 g → oz shortcut on the form.
Newborn weight 7 lb 8 oz in kg?
7.5 lb total (7 lb + 8 oz) ≈ 3.4 kg. Convert pounds first, or add oz as lb/16 before converting.