📏 Unit Converters

Convert between different units of measurement with precision and ease. Our comprehensive unit converters support metric, imperial, and specialized measurement systems for length, weight, temperature, volume, and more.

12 Converters

Free Always

Instant Results

Precise Calculations

Essential Unit Converters

Professional-grade conversion tools for accurate measurements across all unit systems.

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Length Converter

Convert between meters, feet, inches, kilometers, miles, yards, and more with precision.

Metric & Imperial units
Scientific notation support
High precision calculations
Instant conversion

Most Used Convert Length →

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Weight Converter

Convert between kilograms, pounds, ounces, tons, grams, and other weight units.

All weight units
Metric & Imperial
Scientific precision
Bulk conversion

Essential Convert Weight →

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Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales.

All temperature scales
Scientific applications
Decimal precision
Formula display

Popular Convert Temp →

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Volume Converter

Convert between liters, gallons, cubic meters, cups, and other volume measurements.

Liquid & dry volumes
Cooking measurements
Scientific units
Multiple systems

Cooking Convert Volume →

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Area Converter

Convert between square meters, acres, hectares, square feet, and more.

Land measurements
Construction units
Agricultural areas
Real estate

Real Estate Convert Area →

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Speed Converter

Convert between mph, km/h, m/s, knots, and other speed measurements.

Vehicle speeds
Wind speeds
Maritime units
Physics calculations

Automotive Convert Speed →

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Pressure Converter

Convert between PSI, bar, pascal, atm, and other pressure units.

Engineering units
Weather pressure
Automotive PSI
Scientific precision

Engineering Convert Pressure →

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Energy Converter

Convert between joules, calories, BTU, kilowatt-hours, and other energy units.

Electrical energy
Food calories
Heat energy
Physics applications

Science Convert Energy →

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Power Converter

Convert between watts, horsepower, BTU/h, and other power measurements.

Electrical power
Mechanical power
Engine horsepower
HVAC calculations

Electrical Convert Power →

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Angle Converter

Convert between degrees, radians, gradians, and turns for mathematical calculations.

Mathematical angles
Engineering design
Navigation bearings
Programming needs

Math Convert Angle →

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Time Converter

Convert between seconds, minutes, hours, days, weeks, months, and years.

All time units
Project planning
Age calculations
Duration converter

Planning Convert Time →

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Currency Converter

Convert between world currencies with live exchange rates and historical data.

Live exchange rates
180+ currencies
Historical rates
Rate alerts

Finance Convert Currency →

Unit Conversion Tips & Formulas

Master unit conversions with these essential formulas and practical tips.

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Length Conversion Basics

Remember key conversion factors for quick mental calculations between metric and imperial units.

1 meter = 3.28084 feet 1 inch = 2.54 centimeters 1 kilometer = 0.621371 miles 1 yard = 0.9144 meters

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Weight Conversion Guide

Essential weight conversions for cooking, shipping, and everyday measurements.

1 kilogram = 2.20462 pounds 1 pound = 16 ounces 1 ounce = 28.3495 grams 1 ton (metric) = 1000 kilograms

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Temperature Formulas

Convert between Celsius and Fahrenheit using these simple formulas.

°F = (°C × 9/5) + 32 °C = (°F - 32) × 5/9 K = °C + 273.15

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Volume Measurements

Kitchen and laboratory volume conversions for precise measurements.

1 liter = 1000 milliliters 1 gallon (US) = 3.78541 liters 1 cup = 240 milliliters 1 fluid ounce = 29.5735 ml

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Area Calculations

Convert between different area units for construction and real estate.

1 square meter = 10.764 sq ft 1 acre = 4047 square meters 1 hectare = 10,000 sq meters 1 sq foot = 144 sq inches

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Energy & Power Units

Understand energy and power conversions for electrical and mechanical applications.

1 kilowatt-hour = 3.6 MJ 1 horsepower = 745.7 watts 1 BTU = 1055 joules 1 calorie = 4.184 joules

Frequently Asked Questions

Common questions about unit conversions and how to use our conversion tools.

Yes, our unit converters use precise mathematical formulas and are regularly updated. They provide accurate conversions suitable for professional, academic, and personal use with up to 15 decimal places of precision where needed.

Absolutely! All our converters support both metric and imperial unit systems, plus specialized units for specific industries. You can easily switch between systems with accurate conversion factors.

Yes, our converters can handle very large and very small numbers using scientific notation. This is particularly useful for scientific, engineering, and astronomical calculations.

We support all major temperature scales: Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R). The conversions are precise and suitable for both everyday use and scientific applications.

Yes! Our volume and weight converters include all common cooking measurements like cups, tablespoons, teaspoons, ounces, and their metric equivalents. Perfect for recipe conversions.

Our currency converter uses real-time exchange rates from reliable financial data sources, updated throughout the day to ensure accuracy for international transactions and travel planning.

No practical limits exist for most conversions. Our tools can handle numbers from very small (scientific) to very large values, making them suitable for any application from nano-scale to astronomical measurements.

Most unit converters work offline once loaded since they use mathematical formulas. However, the currency converter requires internet connection for live exchange rates.