Unit Converter
Convert between any units of length, weight, volume, temperature, and area. Supports metric, imperial, and many other measurement systems.
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How to Use This Calculator
Need to convert between metric and imperial units or any other measurement? Our universal converter handles all common conversions:
- Select the category of units you need to convert (length, weight, volume, temperature, or area).
- Choose the unit you're converting FROM in the first dropdown.
- Choose the unit you're converting TO in the second dropdown.
- Enter the value you want to convert.
- See your converted result instantly - no need to click a button.
Why This Matters
In our global world, unit conversions come up constantly - whether you're following a recipe from another country, understanding product specifications, or working on international projects. The United States is one of only three countries that hasn't officially adopted the metric system, making conversions essential for travel, cooking, DIY projects, and professional work. Having a reliable converter saves time and prevents costly mistakes.
- Convert between metric and imperial units accurately for recipes
- Understand international product specifications and dimensions
- Convert measurements for home improvement projects
- Verify calculations when working with international colleagues
- Convert temperatures for weather, cooking, and scientific applications
Worked Examples
Cooking Conversion
A British recipe calls for 200 grams of flour. How many cups is that?
Travel Distances
A road sign in Canada shows 150 km to Toronto. How many miles?
Temperature Conversion
The weather forecast shows 28°C. What's that in Fahrenheit?
Common Mistakes to Avoid
- Confusing fluid ounces (volume) with ounces (weight) - they measure different things.
- Using cooking cup measurements interchangeably with metric - a US cup differs from UK/Australian cups.
- Forgetting that Celsius and Fahrenheit scales don't convert linearly - you can't just multiply by a single number.
- Mixing up miles and nautical miles - nautical miles are about 15% longer.
- Not accounting for the difference between short tons (US) and metric tonnes - they differ by about 10%.