Weight Converter
Convert kilograms (kg), pounds (lb), ounces (oz), grams (g), stone (st), tonnes (t), US ton (short), UK ton (long), troy ounce (ozt), carat (ct) and microgram (µg).
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FAQ
Is a metric tonne the same as a “ton”?
A tonne (t) is 1,000 kg. A US (short) ton is 2,000 lb (≈907.18474 kg). A UK (long) ton is 2,240 lb (≈1,016.0469 kg).
What’s the difference between ounce (oz) and troy ounce (ozt)?
Ounce (avoirdupois) is used for common goods (1 oz = 28.349523125 g). Troy ounce is used for precious metals (1 ozt = 31.1034768 g).
Is carat mass exact?
Yes. 1 ct = 200 mg by definition.
Tips for using this converter
Select the unit first (e.g., lb), enter a number once, and all tiles update instantly. On mobile, press Enter to hide the keyboard.