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Unit Converter

Convert between all major units quickly and accurately. From length and weight to temperature and data storage - get instant conversions with our comprehensive unit converter.

Unit Converter

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📏 Length Conversion

Quick Reference

1 mm=0.1 cm
1 mm=0.001 m
1 mm=1.000000e-6 km
1 mm=0.03937008 in
1 mm=0.00328084 ft

Length Units Reference

Millimeter
Symbol: mm
Centimeter
Symbol: cm
Meter
Symbol: m
Base Unit
Kilometer
Symbol: km
Inch
Symbol: in
Foot
Symbol: ft
Yard
Symbol: yd
Mile
Symbol: mi

Unit Conversion Guide

🔄 How to Use

  1. 1. Select a category from the icons above
  2. 2. Enter a value in the "From" field
  3. 3. Choose units from the dropdown menus
  4. 4. Get instant results - no need to click calculate!
  5. 5. Swap units easily with the swap button

✨ Features

  • • 9 major categories covering all common conversions
  • • Real-time conversion as you type
  • • Quick reference tables for each category
  • • Recent conversions history
  • • High precision calculations

📏 Metric vs Imperial

Easily convert between metric (meters, kilograms, Celsius) and imperial (feet, pounds, Fahrenheit) systems for international compatibility.

🍳 Cooking & Recipes

Perfect for cooking conversions - cups to milliliters, ounces to grams, Fahrenheit to Celsius for international recipes.

🏗️ Engineering & Science

Professional-grade conversions for engineering, construction, and scientific applications with high precision calculations.

🌍 Global Standards

Metric System (SI Units)

  • • Used by most countries worldwide
  • • Based on powers of 10 (decimal system)
  • • Standard units: meter, kilogram, second, Celsius
  • • Easy to convert between units

Imperial System

  • • Primarily used in the United States
  • • Historical units with various conversion factors
  • • Common units: foot, pound, gallon, Fahrenheit
  • • Still used in some industries globally

💡 Pro Tips

  • • Use the swap button to quickly reverse conversions
  • • Check recent conversions for repeated calculations
  • • Bookmark common conversions for quick access
  • • Use scientific notation for very large/small numbers
  • • Temperature conversions use exact formulas
  • • Data storage uses binary (1024) conversion factors
  • • Pressure units vary by industry standards
  • • Energy conversions useful for nutrition and physics