Unit Conversion
Convert between metric, imperial, and other measurement systems
Measurement Converter
Convert between different measurement units with precision across all major systems
5
Categories
100+
Units
Real
Time
Select Category
Converting measurement...
Measurement Categories
Explore all available measurement types and units
Length
Metric, imperial, nautical, and astronomical units
mm
cm
m
km
in
ft
yd
mi
Mass/Weight
Metric, imperial, and specialty weight units
mg
g
kg
oz
lb
tons
Volume
Liquid, dry, and cubic measurements
ml
l
fl oz
gal
m³
ft³
Area
Surface area and land measurements
m²
ft²
acres
hectares
Temperature
All major temperature scales with precise formulas
°C
°F
K
°R
°Ré
Quick Calculator
Fast calculations for common measurement conversions
Measurement Information
Learn about different measurement systems and conversion formulas
About Measurement Systems
Different measurement systems have evolved throughout history for various practical needs.
- Metric system (SI units)
- Imperial system
- US customary units
- Nautical measurements
- Astronomical units
Usage Tips
- Use the swap button for quick unit reversal
- Check conversion details for formulas
- Use the calculator for quick estimates
- Copy results for use in other applications
- All conversions use precise formulas
Converter Features
100+
Units
5
Categories
Real
Time