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Weight Converter

Convert between milligrams, grams, kilograms, metric tons, pounds, ounces, stone, US tons, and imperial tons instantly. Type a value and select a unit to see all conversions at once.

Enter a value above to see all unit conversions.

Common Weight Conversions

1 kilogram (kg) = 2.205 pounds (lbs)
1 pound (lb) = 453.6 grams
1 stone = 14 pounds / 6.35 kg
1 ounce (oz) = 28.35 grams
1 metric ton = 1,000 kg / 2,205 lbs
1 US ton = 907.2 kg / 2,000 lbs
1 imperial ton = 1,016 kg / 2,240 lbs
100 grams = 3.527 ounces

How to Use the Weight Converter

  1. 1
    Enter a Value
    Type any weight value into the input field. Decimal values and very small or large numbers are supported.
  2. 2
    Select Your Unit
    Choose the unit you are converting from using the dropdown — metric, imperial, or specialty units.
  3. 3
    See All Conversions
    All 9 units update instantly. The selected unit card is highlighted so you always know your input unit.
  4. 4
    Switch Units Freely
    Change the source unit at any time — the value is reconverted from the new base unit immediately.

Frequently Asked Questions

To convert kilograms to pounds, multiply the kg value by 2.20462. For example, 70 kg × 2.20462 = 154.3 lbs. To convert pounds back to kg, divide by 2.20462 (or multiply by 0.453592). The exact conversion is 1 kg = 2.20462262 lbs.

To convert pounds to kilograms, multiply by 0.453592. For example, 150 lbs × 0.453592 = 68.04 kg. A quick mental shortcut: divide pounds by 2.2 for a close estimate (e.g., 154 lbs ÷ 2.2 ≈ 70 kg).

To convert grams to ounces, divide by 28.3495. For example, 100 g ÷ 28.3495 = 3.527 oz. To convert ounces to grams, multiply by 28.3495. Note: this is weight ounces (avoirdupois), not fluid ounces.

A stone is a traditional British unit of weight equal to exactly 14 pounds or approximately 6.35 kilograms. It is commonly used in the UK and Ireland to express human body weight. For example, a person weighing 11 stone 4 lbs weighs 158 lbs or about 71.7 kg.

A US ton (short ton) equals 2,000 pounds or 907.2 kg. An imperial ton (long ton) equals 2,240 pounds or 1,016 kg. A metric ton equals exactly 1,000 kg or 2,204.6 pounds. The metric ton is the most commonly used internationally.

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