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🔄 Length & Distance Converter
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📏 About Length & Distance Units
Length measurement spans from subatomic scales (nanometres, ångströms) to cosmic distances (light-years, astronomical units). The metric system (SI) uses the metre as its base unit, while the imperial system uses inches, feet, yards and miles.
🦠
Millimetre
grain of sand
📏
Centimetre
fingernail width
🚶
Metre
doorway height
🚗
Kilometre
10-min walk
📌
Inch
2.54 cm
🦶
Foot
30.48 cm
🏈
Yard
3 feet = 91.44 cm
🛣️
Mile
1.609 km
⚓
Nautical Mile
1852 m
🌊
Fathom
1.8288 m
🐎
Furlong
201.168 m
🔑 Key Conversions
| From | To | Multiply by | Common Use |
|---|---|---|---|
| Inches | Centimetres | 2.54 | Screen sizes, bolts |
| Feet | Metres | 0.3048 | Height, altitude |
| Miles | Kilometres | 1.60934 | Road distances |
| Yards | Metres | 0.9144 | Fabric, sports |
| Nautical Miles | Kilometres | 1.852 | Aviation, marine |
📋 All Length Units Reference
| Unit | Equivalent | System | Common Use |
|---|---|---|---|
| Millimetre (mm) | 0.001 m | Metric SI | Engineering, precision work |
| Centimetre (cm) | 0.01 m | Metric | Body measurements, small objects |
| Metre (m) | Base unit | SI Base | Room dimensions, height |
| Kilometre (km) | 1,000 m | Metric | Road distances |
| Inch (in) | 25.4 mm | Imperial | Screen sizes, US hardware |
| Foot (ft) | 30.48 cm | Imperial | Height (US/UK), altitude |
| Yard (yd) | 91.44 cm | Imperial | Sports fields, fabric |
| Mile (mi) | 1.609 km | Imperial | Road distances (UK/US) |
| Nautical Mile | 1,852 m | Navigation | Aviation, marine |
| Fathom | 1.8288 m | Nautical | Water depth |
| Furlong | 201.168 m | Horse racing | Race distances |
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