Weight Converter
Convert weight between kilograms, pounds, ounces, grams, stones, tons, and more. Fast, accurate, and easy to use. Perfect for cooking, shipping, fitness, and everyday conversions.
How the Weight Converter Works
This weight converter uses standard conversion factors to convert between different weight units. All conversions are performed by first converting the input value to the base unit (kilograms), then converting to the target unit.
Key Conversion Factors (to kg):
1 kg = 2.20462 lb
1 kg = 35.274 oz
1 kg = 1000 g
1 kg = 1000000 mg
1 kg = 1000000000 µg
1 kg = 0.157473 stone
1 kg = 0.00110231 ton (US)
1 kg = 0.001 tonne (metric ton)
Simply enter a value, select the unit you're converting from and the unit you want to convert to, and click "Convert." The calculator will show you the result instantly.
Common Weight Conversions
- 1 kg to lbs: 1 kilogram = 2.20462 pounds
- 1 lb to kg: 1 pound = 0.453592 kilograms
- 1 oz to g: 1 ounce = 28.3495 grams
- 1 stone to kg: 1 stone = 6.35029 kilograms
- 1 ton to kg: 1 US ton = 907.185 kilograms
- 1 tonne to kg: 1 metric ton = 1000 kilograms
❓ Weight Converter FAQ
How do I convert kilograms to pounds?
Multiply the number of kilograms by 2.20462. For example, 5 kg × 2.20462 = 11.0231 lb. This converter does this calculation automatically.
How do I convert pounds to kilograms?
Divide the number of pounds by 2.20462. For example, 10 lb ÷ 2.20462 = 4.53592 kg. Our converter handles this instantly.
What is the difference between a ton and a metric ton?
A US ton (short ton) is 2,000 pounds or 907.185 kg. A metric ton (tonne) is 1,000 kg or 2,204.62 pounds. This converter supports both units.
How many grams are in an ounce?
There are 28.3495 grams in one ounce (avoirdupois). This is the standard ounce used for weight measurements in the US.
What is a stone in weight measurement?
A stone is a British unit of weight equal to 14 pounds or 6.35029 kg. It is commonly used in the UK and Ireland for body weight.
How do I convert ounces to grams?
Multiply the number of ounces by 28.3495. For example, 8 oz × 28.3495 = 226.796 g. This converter does this for you.
What is the difference between weight and mass?
Mass is the amount of matter in an object, measured in kilograms or grams. Weight is the force of gravity on that mass, measured in pounds or newtons. In everyday use, the terms are often used interchangeably.
How do I convert stones to pounds?
Multiply the number of stones by 14. For example, 10 stones × 14 = 140 pounds. Our converter handles this conversion.
What is the avoirdupois system?
The avoirdupois system is a weight measurement system used in the United States and some other countries. It includes units like pounds (lb) and ounces (oz), with 16 ounces in a pound.
How do I convert pounds to ounces?
Multiply the number of pounds by 16. For example, 5 lb × 16 = 80 oz. This converter shows this conversion automatically.
What is the difference between a fluid ounce and an ounce?
A fluid ounce (fl oz) measures volume, while an ounce (oz) measures weight or mass. They are not interchangeable. This converter deals with weight ounces only.
How do I convert kilograms to stones?
Divide the number of kilograms by 6.35029. For example, 70 kg ÷ 6.35029 = 11.023 stones. Our converter provides this conversion.
What is the weight of a US ton in pounds?
One US ton (short ton) equals 2,000 pounds. This is the standard ton used in the United States.
How do I convert grams to ounces?
Divide the number of grams by 28.3495. For example, 100 g ÷ 28.3495 = 3.5274 oz. This converter does this automatically.
What is the metric system for weight?
The metric system uses kilograms (kg) as the base unit for mass, with grams (g) for smaller amounts and metric tons (tonnes) for larger amounts. It is the standard system used in most countries.
How do I convert pounds to stones?
Divide the number of pounds by 14. For example, 140 lb ÷ 14 = 10 stones. Our converter handles this conversion.
What is the difference between a troy ounce and an avoirdupois ounce?
A troy ounce (31.1035 g) is used for precious metals like gold and silver. An avoirdupois ounce (28.3495 g) is used for everyday weight measurements. This converter uses the avoirdupois ounce.
How do I use this weight converter for cooking?
Select the unit your recipe uses (e.g., ounces), enter the amount, and select the unit you need (e.g., grams). The converter will give you the exact conversion for your recipe.
What is the most accurate way to convert weight units?
Using exact conversion factors provides the most accurate results. This converter uses precise conversion factors for all units, ensuring accurate conversions every time.