CALCULATORS & CONVERTERS
Weight Converter — Grams, Kg, Ounces, Pounds, Stone
Convert weight and mass between grams, kilograms, ounces, pounds, and stone instantly in your browser. Exact factors, no signup, no upload.
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1 Milligram = 0.000001 Kilogram
Convert a weight between grams, kilograms, ounces, pounds, and stone. Enter a value in one unit and every other reading updates — handy for recipes that mix grams and ounces, shipping weights in pounds, or bodyweight given in stone.
The factors are the standard international ones: one pound is exactly 453.59237 grams, one ounce is a sixteenth of a pound, and one stone is 14 pounds. Because these are fixed definitions, the answers stay precise at any size.
Frequently asked questions
- How many pounds are in a kilogram?
- About 2.2046 pounds, so 70 kg is roughly 154.3 lb. Going the other way, one pound is about 0.4536 kg. The tool uses the exact factor rather than a rounded 2.2.
- How is stone converted to kilograms?
- One stone is 14 pounds, about 6.35 kg. So 11 stone 4 pounds is 158 pounds, or about 71.7 kg. Stone is used mainly in the UK and Ireland for body weight.
- Is this the food ounce or the precious-metal ounce?
- The avoirdupois ounce (about 28.35 g) used for food and everyday goods — not the troy ounce (about 31.1 g) used for gold and silver, which is heavier.
- Is weight the same as mass?
- Strictly no — mass is the amount of matter and weight is the force gravity exerts on it. On Earth the distinction rarely matters in daily life, and all the units here are units of mass used the way people say 'weight'.