Weight and Mass Converter

Convert between kilograms, pounds, ounces, grams, stones, milligrams, tons, and metric tons.

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1. Choose the weight unit you are converting from (e.g., kilograms, pounds, stones). 2. Enter the weight or mass value into the input field. 3. Instantly see equivalent values in all other weight units - kg, lb, oz, g, st, mg, tons. 4. Use the swap button to quickly reverse your conversion direction. 5. Copy any converted result to your clipboard with a single click.

About This Tool

The Weight and Mass Converter lets you instantly convert between all common weight units used around the world. Whether you are converting kilograms to pounds for international shipping, grams to ounces for a recipe, or stones to kilograms for a health tracker, this tool delivers accurate results in real time.

Supported units include kilograms (kg), pounds (lb), ounces (oz), grams (g), stones (st), milligrams (mg), US tons (short tons), and metric tons (tonnes). Each conversion uses precise conversion factors to ensure accuracy, whether you are dealing with tiny milligram measurements or multi-ton industrial weights.

Understanding weight conversions is important in everyday life, from cooking and fitness to shipping, science, and manufacturing. Different countries and industries prefer different units - the metric system dominates in science and most of the world, while pounds and ounces remain standard in the US. Our converter bridges these systems effortlessly.

Formula / How It Works

1 kg = 2.20462 lb = 35.274 oz = 1000 g = 0.157473 st = 1,000,000 mg = 0.00110231 short ton = 0.001 metric ton

Frequently Asked Questions

One kilogram equals approximately 2.20462 pounds. To convert kilograms to pounds, multiply the number of kilograms by 2.20462. For example, 70 kg is about 154.32 pounds.
A US (short) ton equals 2,000 pounds (approximately 907.185 kg), while a metric ton (tonne) equals 1,000 kilograms (approximately 2,204.62 pounds). The metric ton is roughly 10% heavier than the US ton.
One stone equals exactly 14 pounds. To convert stones to pounds, multiply by 14. For example, 10 stone equals 140 pounds. Stones are commonly used in the UK and Ireland for body weight.
One ounce (avoirdupois) equals approximately 28.3495 grams. This is the standard ounce used for everyday weight measurement. A troy ounce, used for precious metals, equals approximately 31.1035 grams.
Use our converter to switch between grams and ounces for precise recipe measurements. Common conversions: 100g is about 3.5 oz, 250g is about 8.8 oz, and 500g is about 17.6 oz (just over 1 pound).

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