What Is Unit Conversion?
Unit conversion is changing a measurement from one unit to another while keeping the same quantity, by multiplying or dividing by a conversion factor. For example, 1 inch equals exactly 2.54 centimeters, so 10 inches × 2.54 = 25.4 cm. Temperature conversions also require an offset, not just a factor.
Temperature
°F = °C × 9/5 + 32, and °C = (°F − 32) × 5/9. 20 °C equals 68 °F.
Checking the Result
Converting to a smaller unit gives a larger number, and vice versa — a quick way to catch mistakes.
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🔗 Related Terms
More Everyday Tools Terms
- Aspect Ratio
- Binary Number
- Currency Denomination
- Data Storage Units (KB, MB, GB, TB)
- Exchange Rate
- Hexadecimal
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Last updated: September 27, 2026. This definition is for general educational purposes only. It is not financial, investment, tax, legal, or medical advice, and it does not recommend any product or course of action. For decisions about your own situation, consult a qualified professional.