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Unit Converter

Convert between length, temperature, speed, pressure, weight, and 50+ measurement units

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Unit Converter

Convert between length, temperature, speed, pressure, and more

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About Unit Converter

Convert values between different units using standard conversion factors. Supports length, temperature, speed, pressure, weight, and data units. All calculations are performed instantly with high precision. Use this tool for cooking, engineering, travel, and scientific applications requiring accurate unit conversions.

Convert values between different units using standard conversion factors. Supports length, temperature, speed, pressure, and data units. All calculations are performed instantly with high precision.

Convert measurements for cooking, engineering, travel, and scientific applications across metric and imperial systems.

• Cooking: Convert recipe measurements between metric and imperial units
• Engineering: Convert technical specifications for international projects
• Travel: Convert distance, speed, and temperature for different countries
• Scientific: Convert units for laboratory calculations and research

Answers about conversion formulas, temperature scales, currency rates, and precision recommendations.

How to convert mm to inches?

Multiply millimeters by 0.03937 to get inches. For example, 25.4mm equals 1 inch. This converter handles the calculation automatically.

Most accurate unit converter app?

This converter uses standard international conversion factors for high accuracy. For mobile apps, look for ones that update conversion rates regularly for currency.

Currency conversion rates?

Currency rates change frequently. For accurate currency conversion, use specialized financial tools with real-time exchange rate updates.

Temperature conversion formulas?

Celsius to Fahrenheit: (°C × 9/5) + 32. Fahrenheit to Celsius: (°F - 32) × 5/9. Kelvin conversions: K = °C + 273.15.

Recommendations for maintaining significant figures, using appropriate precision, and verifying critical conversions.

• Use appropriate precision - don't show more decimal places than meaningful for your application
• For scientific work, maintain significant figures through calculations to preserve accuracy
• Keep units consistent within calculations to avoid conversion errors
• Always double-check critical conversions, especially for safety-critical applications

Example conversions across common unit categories.

Length: 1 inch = 2.54 cm, 1 foot = 0.3048 m, 1 mile = 1.609 km

Temperature: °F = (°C × 9/5) + 32, K = °C + 273.15

Speed: 1 mph = 1.609 km/h, 1 m/s = 3.6 km/h

Pressure: 1 atm = 101.325 kPa, 1 bar = 100 kPa

Supported unit categories and conversion precision.

• Precision: Up to 10 decimal places for most conversions
• Standards: Uses SI (International System of Units) as base
• Temperature Scales: Celsius, Fahrenheit, Kelvin
• Supported Categories: Length, Temperature, Speed, Pressure, Data