Weight Converter

Convert between milligrams, grams, kilograms, ounces, pounds, stone, metric tons, and US tons instantly. All processing happens client-side.

Common Reference Weights

A Paperclip
0.001 kg / 0.002205 lbs
1 g / 0.035274 oz
A Smartphone
0.2 kg / 0.440925 lbs
200 g / 7.054798 oz
A Bag of Sugar
1 kg / 2.204624 lbs
1000 g / 35.273991 oz
Average Adult (US)
81.64656 kg / 180 lbs
81646.56 g / 2880 oz
A Bowling Ball
6.350288 kg / 14 lbs
6350.288 g / 224 oz
Small Car
1000 kg / 2204.62442 lbs
1000000 g / 35273.990723 oz

Click a card to load it as input

How to Use the Weight Converter

  1. Enter a weight value in the input field.
  2. Select the unit you are converting from (e.g., kg, lbs, oz).
  3. Converted values for all other units appear instantly below.
  4. Click any reference point to load it as the input value.

Metric vs Imperial Weight

The metric system uses milligrams, grams, kilograms, and metric tons. The imperial/US customary system uses ounces, pounds, stone (UK), and US tons. A metric ton is 1000 kg while a US ton (short ton) is 2000 lbs (approximately 907 kg).

Features

  • Real-time conversion between 8 weight units
  • Conversion formulas displayed for each unit pair
  • Quick-access common reference weights
  • One-click copy of any result
  • 100% client-side processing for full privacy