Unit Converter
Convert between 200+ units instantly. Length, weight, temperature, area, volume, speed and more. Free, no signup, works offline.
Most Popular Conversions
Click any to convert instantly
All Converters
Length Converter
15 units supported
km • miles • meters • feet
Weight Converter
12 units supported
kg • lbs • grams • oz
Temperature Converter
4 units supported
Celsius • Fahrenheit • Kelvin • Rankine
Area Converter
14 units supported
sq km • acres • sq ft • hectares
Volume Converter
14 units supported
liters • gallons • ml • cups
Speed Converter
8 units supported
kmh • mph • m/s • knots
Time Converter
10 units supported
seconds • minutes • hours • days
Data Storage
10 units supported
GB • MB • TB • KB
Pressure Converter
10 units supported
bar • psi • pascal • atm
Energy Converter
10 units supported
joules • calories • kWh • BTU
Fuel Efficiency
6 units supported
kmpl • mpg • L/100km
Number Base
5 units supported
Binary • Octal • Decimal • Hex
Currency Converter
30 units supported
INR • USD • EUR • GBP
Angle Converter
5 units supported
degrees • radians • gradians
How to Use Unit Converters
Find Your Converter
Search for the unit type or browse the categories above. Use the quick chips for the most common conversions.
Enter Your Value
Type the value you want to convert. Results update instantly as you type — no button click needed.
Copy Result
Click any result to copy it to your clipboard instantly. Use the swap button to reverse the conversion direction.
Why Use QuickToolz Converters
Real-time Conversion
Results update instantly as you type. No calculate button, no page reload.
India-Specific Units
Includes Indian units like bigha, marla, kmpl that other converters miss.
Works on All Devices
Perfectly responsive on mobile, tablet and desktop. Works offline too.
High Precision
Up to 10 decimal places for scientific accuracy. Toggle precision level.
Most Searched Conversions
| From | To | Formula |
|---|---|---|
| km | miles | multiply by 0.621371 |
| miles | km | multiply by 1.60934 |
| kg | lbs | multiply by 2.20462 |
| lbs | kg | multiply by 0.453592 |
| °C | °F | multiply by 9/5, add 32 |
| °F | °C | subtract 32, multiply by 5/9 |
| meters | feet | multiply by 3.28084 |
| feet | meters | multiply by 0.3048 |
| liters | gallons | multiply by 0.264172 |
| gallons | liters | multiply by 3.78541 |
| cm | inches | multiply by 0.393701 |
| inches | cm | multiply by 2.54 |