Length Conversion
Quick Conversions
All Length Units
| Unit | Value | Symbol | System | Action |
|---|
Length Scale Context
Precision Calculator
Measurement Precision
Conversion Accuracy
Input Precision:
Standard
Conversion Factor:
-
Accuracy:
High
Significant Figures:
-
Conversion History
Engineering & Construction Tools
Architectural Scale
Real Length:
-
Material Calculator
Distance Tools
Length Measurement Systems
Metric System (SI):
- • Meter (m): Base unit of length
- • Kilometer (km): 1,000 meters
- • Centimeter (cm): 1/100 meter
- • Millimeter (mm): 1/1,000 meter
- • Used worldwide, scientific standard
Imperial System:
- • Foot (ft): 12 inches
- • Inch (in): 1/12 foot
- • Yard (yd): 3 feet
- • Mile (mi): 5,280 feet
- • Primarily used in US and UK
Special Units:
- • Nautical Mile: 1,852 meters
- • Light Year: 9.46 × 10¹⁵ meters
- • Angstrom (Å): 10⁻¹⁰ meters
- • AU: ~150 million km
- • Specialized applications