Unit Converter
Convert Length, Weight, Temperature & More
Instantly convert between metric and imperial units across Length, Weight, Temperature, Volume, Area, Speed, Time and Digital Storage — all in one simple tool.
Convert Units
Pick a category, choose your units, and enter a value to convert instantly
How to Use the Unit Converter
Convert any unit in 4 simple steps
Choose a Category
Select Length, Weight, Temperature, Volume, Area, Speed, Time or Data.
Pick Your Units
Choose the unit you're converting from and the unit you want to convert to.
Enter a Value
Type the number you want to convert in the value field.
Click Convert
Instantly see the converted value along with the exact conversion rate.
Why Use This Unit Converter?
One tool for every everyday conversion
- 8 categories in one tool: Length, weight, temperature, volume, area, speed, time and data storage, no need to hunt for separate converters.
- Metric & imperial support: Convert freely between systems used across the world.
- One-click swap: Instantly flip the From and To units without re-selecting them.
- Live conversion rate: See the exact equivalence between the two units you've chosen.
- No account needed: Use instantly, no login or registration required ever.
Metric vs. Imperial Units
Both systems are supported — here's how they differ in scope
Imperial / US Units
- Includes inches, feet, miles, pounds, ounces, gallons and Fahrenheit.
- Commonly used in the United States for everyday measurements.
- Often based on historical, non-decimal unit relationships.
Metric (SI) Units
- Includes meters, kilograms, liters, Celsius and Kelvin.
- The standard system used by most countries and in science globally.
- Based on powers of ten, making conversions within the system simple.
This tool converts seamlessly between both systems within each category, so you never need to manually look up a conversion factor.
Common Unit Conversions
Quick reference for frequently used conversions
| From | To | Category | Approx. Value |
|---|---|---|---|
| 1 Mile | Kilometers | Length | 1.60934 km |
| 1 Kilogram | Pounds | Weight | 2.20462 lb |
| 0°C | Fahrenheit | Temperature | 32°F |
| 1 Gallon (US) | Liters | Volume | 3.78541 L |
Figures are rounded examples. Use the converter above for precise values to several decimal places.
Key Benefits
Why people use our unit converter daily
Instant Conversion
Get your converted value the moment you click convert — no waiting, no loading delays.
Standard Conversion Factors
Uses internationally recognized conversion factors, accurate for everyday and academic use.
Works on All Devices
Fully responsive design works perfectly on smartphones, tablets, laptops, and desktop computers.
Private & Secure
All calculations happen in your browser. No data is sent to or stored on our servers. Ever.
One-Click Swap
Flip the From and To units instantly without re-selecting them from the dropdowns.
8 Categories in One Tool
Length, weight, temperature, volume, area, speed, time and data — all in a single converter.
Frequently Asked Questions
Everything you need to know about unit conversion