Free Online Unit Converter
Convert between thousands of units instantly. Length, weight, temperature, area, volume, speed, data, time & currency — all in your browser.
📊 778+ pairs🌍 12 languages⚡ Instant
Unit Conversion Categories
📏
Length
56 pairs
mmcmmkmin+3
⚖️
Weight
30 pairs
mggkgtoz+1
🌡️
Temperature
6 pairs
°C°FK
📐
Area
72 pairs
mm²cm²m²km²in²+4
🧪
Volume
110 pairs
mLcLLm³tsp+6
🚀
Speed
20 pairs
m/skm/hmphknM
💾
Data Storage
42 pairs
bBKBMBGB+2
⏱️
Time
56 pairs
mssminhd+3
💵
Currency
90 pairs
$€£¥¥+5
🔧
Pressure
72 pairs
PakPaMPabarmbar+4
⚡
Energy
72 pairs
JkJcalkcalWh+4
💡
Power
20 pairs
WkWMWhpBTU/h
📐
Angle
12 pairs
°radgrad′
📡
Frequency
20 pairs
HzkHzMHzGHzrpm
🚗
Fuel Consumption
20 pairs
km/LL/100kmmpgmpgmi/L
🔧
Force
30 pairs
NkNMNlbfkgf+1
🔄
Torque
20 pairs
N·mkN·mft·lbin·lbkgf·m
🧲
Density
30 pairs
kg/m³g/cm³g/mLlb/ft³lb/in³+1
How to Use
1️⃣
Pick a Category
Length, weight, temperature & more
2️⃣
Enter Value
Type a number, get instant results
3️⃣
Swap Units
Switch between any units instantly