Everyday converter
Weight & Mass Converter
This weight converter switches between pounds, kilograms, ounces, grams, and stone instantly in your browser. The pound is defined as exactly 0.45359237 kg, so only the figure on screen is rounded.
- Instant results
- Private & secureNo data is uploaded
- Works on all devices
Common weight & mass units
- Milligrams (mg)1 kg = 1,000,000 mg
- Grams (g)1 kg = 1,000 g
- Kilograms (kg)The unit this converter works in
- Ounces (oz)1 kg = 35.27396 oz
- Pounds (lb)1 kg = 2.204623 lb
- Stones (st)1 st = 6.350293 kg
Conversion formula
Every conversion here uses the published factor, not a rounded one.
Example: Kilograms to Pounds
1 kg = 2.204623 lb
To convert kilograms to pounds, multiply by 2.204623:
70 kg = 154.3236 lb
Figures on this page are shown to seven significant digits. The converter keeps the full precision and rounds only what it displays.
Did you know?
The pound is defined through the kilogram: exactly 0.45359237 kg. That is why 1 kg comes to 2.204623 lb rather than the rounder 2.2 people use in their heads.
A stone is exactly 14 pounds, so a weight given as 11 st 4 lb is 158 lb in total.
Frequently asked questions
How many pounds is 70 kg?
70 kg is 154.324 pounds. Multiply kilograms by 2.20462262 to convert to pounds. 100 kg is 220.462 pounds.
How many kilograms is 150 pounds?
150 pounds is 68.039 kilograms. Multiply pounds by 0.45359237 to convert to kilograms. 200 pounds is 90.718 kilograms.
How many grams is 1 ounce?
1 ounce is 28.3495 grams. Multiply ounces by 28.349523125 for grams. 16 ounces is 1 pound, or 453.592 grams.
How many pounds is 12 stone?
12 stone is 168 pounds. One stone is exactly 14 pounds. Multiply stone by 14 for pounds.
Is this weight converter free with no sign-up?
Yes. This converter is free with no sign-up and no account. Use it as often as you need in your browser.
How many kg is 150 pounds?
150 pounds is 68.04 kg. Multiply pounds by 0.45359237 to get kilograms. 200 pounds is 90.72 kg.
Does this page convert lbs to kg too?
Yes, both directions run on this page. Enter kilograms to read pounds, or enter pounds to read kilograms. The chart covers both.
Is a pound exactly 0.45359237 kg?
Yes. The international pound is defined as exactly 0.45359237 kilograms. Neither direction of this conversion is an approximation.
How many ounces is 100 grams?
100 grams is 3.53 ounces. Divide grams by 28.349523125 to get ounces. 250 grams is 8.82 ounces.
How many grams is 8 ounces?
8 ounces is 226.80 grams. Multiply ounces by 28.349523125 to get grams. 16 ounces is 453.59 grams, or one pound.
Does this page convert ounces to grams too?
Yes, both directions run on this page. Enter grams to read ounces, or enter ounces to read grams. The chart lists both.
Is a fluid ounce the same as an ounce?
No. A fluid ounce measures volume and an ounce measures weight. Use the volume converter for cups, pints, and fluid ounces.
How many pounds is 1 stone?
1 stone is exactly 14 pounds. Multiply stone by 14. 2 stone is 28 pounds.
How many pounds is 10 stone?
10 stone is exactly 140 pounds. Multiply stone by 14 for pounds. 15 stone is 210 pounds.
How many pounds is 14 stone?
14 stone is exactly 196 pounds. Multiply stone by 14. 11 stone is 154 pounds.