Unit Converter - Convert Any Measurement Online

Convert between length, weight, temperature, area, volume, speed, time, data, energy, pressure, and power units. Accurate, instant results.

Last updated: January 2026

100% Accurate Calculations

All conversions happen in your browser using precise mathematical formulas.

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Select Unit Category

Result

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Quick Conversions

Recent Conversions

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Unit Information

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Conversion Formula

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Based on international standards and precise mathematical calculations

Why Use Our Unit Converter?

Accurate unit conversion is essential for engineers, students, scientists, travelers, and professionals across all industries. Our converter provides instant, precise conversions between hundreds of units across multiple categories, eliminating the need for complex manual calculations.

Key Features:

  • 11 different unit categories
  • 300+ supported units
  • Real-time calculation
  • Conversion history
  • Quick preset values
  • No registration required

How to Use the Unit Converter

Our converter makes it easy to convert between any units instantly. Follow these simple steps for accurate conversions.

1

Select Category

Choose from length, weight, temperature, area, volume, speed, time, data, energy, or pressure.

2

Enter Value

Type the value you want to convert or use preset values for common conversions.

3

Get Result

Instantly see the converted value with precise accuracy up to 10 decimal places.

Supported Unit Categories

Length & Distance

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

Common: Meters ↔ Feet, Kilometers ↔ Miles

Weight & Mass

Convert between kilograms, grams, pounds, ounces, stones, metric tons, and carats.

Common: Kilograms ↔ Pounds, Grams ↔ Ounces

Temperature

Convert between Celsius, Fahrenheit, and Kelvin with precise formulas.

Common: Celsius ↔ Fahrenheit, Celsius ↔ Kelvin

Area

Convert between square meters, square kilometers, square miles, acres, hectares, and more.

Common: Square Meters ↔ Square Feet, Acres ↔ Hectares

Volume

Convert between liters, milliliters, gallons, cubic meters, cubic feet, fluid ounces, and more.

Common: Liters ↔ Gallons, Milliliters ↔ Fluid Ounces

Speed

Convert between kilometers per hour, miles per hour, meters per second, knots, and feet per second.

Common: km/h ↔ mph, m/s ↔ km/h

Common Conversion Examples

Conversion Formula Example
Miles to Kilometers km = miles × 1.60934 10 miles = 16.0934 km
Pounds to Kilograms kg = pounds × 0.453592 10 pounds = 4.53592 kg
Fahrenheit to Celsius °C = (°F - 32) × 5/9 68°F = 20°C
Gallons to Liters L = gallons × 3.78541 5 gallons = 18.9271 L
Acres to Hectares ha = acres × 0.404686 10 acres = 4.04686 ha
Kilobytes to Megabytes MB = KB ÷ 1024 2048 KB = 2 MB

FAQ - Unit Converter

Q: How accurate are the conversions?

A: Our conversions are based on international standards and precise mathematical formulas. We provide results with up to 10 decimal places for maximum accuracy.

Q: Do you support metric and imperial units?

A: Yes! We support both metric (SI) units and imperial/US customary units across all categories. You can easily convert between metric and imperial systems.

Q: Can I convert temperature values?

A: Absolutely. We support Celsius, Fahrenheit, and Kelvin temperature conversions using the standard formulas: °C to °F: (°C × 9/5) + 32, °F to °C: (°F - 32) × 5/9.

Q: How many units do you support?

A: We support over 300 different units across 11 categories including length, weight, temperature, area, volume, speed, time, data, energy, pressure, and power.

Q: Is there a limit on conversions?

A: No, there are no limits. You can perform unlimited conversions completely free. We don't impose any daily, monthly, or lifetime limits on usage.

Q: Can I use this tool offline?

A: Yes! Once the page loads, all calculations happen in your browser. You don't need an internet connection to perform conversions after the initial load.

About Web tool Bazar's Conversion Tools

Developed by engineers and mathematics experts, Web tool Bazar's conversion tools are used by over 100,000 students, professionals, and researchers monthly. Our tools are designed to be accurate, fast, and accessible to everyone without requiring expensive software or complex calculations.

All our tools are verified against international standards and work entirely in your browser for maximum privacy and security. We're committed to providing high-quality free tools that help people work more efficiently.

100K+ Monthly Users