Convert length, weight, or temperature using standard conversion factors—for example meters to feet, kilograms to pounds, or Celsius to Fahrenheit. Pick a category, enter a value, choose source and target units, and convert. Results are deterministic: the same input and units always yield the same output, which makes this tool reliable for homework, cooking, travel, and engineering estimates.

Unit Conversion Guide

Our unit converter supports conversions between common units of measurement. All conversions are mathematically accurate and use standard conversion factors.

Length Conversions

Convert between metric (millimeters, centimeters, meters, kilometers) and imperial (inches, feet, yards, miles) units. Useful for construction, travel, and everyday measurements.

Weight Conversions

Convert between metric (milligrams, grams, kilograms) and imperial (ounces, pounds, stone) units. Essential for cooking, shipping, and health tracking.

Temperature Conversions

Convert between Celsius, Fahrenheit, and Kelvin. Perfect for weather, cooking, and scientific calculations.

Frequently asked questions

Why do my results differ slightly from another app?

Rounding and display precision can differ. For exact work, compare the underlying conversion factors against a reference table.

Are conversions done on your servers?

No—the math runs in your browser. See our Privacy Policy.

Which unit should I use for cooking?

Recipes may list grams, ounces, or cups. Weight conversions here help when you have a scale; volume (cups) is a different measurement not covered in this weight-length-temperature tool.

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Unit Converter