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Unit Converter

Convert between different units of measurement

Last Updated: July 2026
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Source unit
Target unit
Converted Value
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Result
Formula
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Conversion formula
Conversion Ratio
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1 unit = ?

Conversion Details

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What Is a Unit Converter?

A Unit Converter converts values between different units of measurement. It supports length, weight, temperature, area, volume, and time conversions with precise conversion factors and formulas.

Unit conversion is essential in science, engineering, cooking, travel, and everyday life. This calculator provides quick and accurate conversions between metric and imperial units.

Unit Conversion Formula

Result = Value × (From Unit Factor / To Unit Factor)
Example: 100 cm to m = 100 × (0.01 / 1) = 1 m
Temperature: °F = (°C × 9/5) + 32
Value = Input valueFrom Factor = Source unit factorTo Factor = Target unit factor

Frequently Asked Questions

How to convert units?
Multiply the value by the conversion factor. For example, to convert meters to centimeters: multiply by 100 (1 m = 100 cm). To convert km to miles: multiply by 0.621371 (1 km = 0.621371 mi).
What are common unit conversions?
Length: 1 km = 1000 m, 1 m = 100 cm, 1 mile = 1.609 km. Weight: 1 kg = 1000 g, 1 kg = 2.205 lb. Temperature: °F = (°C × 9/5) + 32.
How to convert temperature?
Celsius to Fahrenheit: (°C × 9/5) + 32. Fahrenheit to Celsius: (°F - 32) × 5/9. Celsius to Kelvin: °C + 273.15. Kelvin to Celsius: K - 273.15.
What is the difference between metric and imperial?
Metric system (meters, grams, liters) is based on powers of 10 and used worldwide. Imperial system (feet, pounds, gallons) is used primarily in the US. Conversion factors are needed to convert between systems.
How accurate are unit conversions?
Unit conversions are exact for defined relationships (1 m = 100 cm). Some conversions are approximate due to rounding (1 mile ≈ 1.60934 km). This calculator uses precise conversion factors.

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