🔄 Interactive Length Converter
Select multiple units to convert FROM and TO with real-time calculations
📏
Convert FROM
Select source units & enter values
📐 Metric Units
🇺🇸 Imperial Units
🎯
Convert TO
Select target units for results
📐 Metric Units
🇺🇸 Imperial Units
💡 Memorable Notes & Quick Facts
Handy tips to remember common conversions
🧠 Memory Tricks
- • 1 meter ≈ 3.3 feet (think "meter = yard + foot")
- • 1 inch = 2.54 cm (exactly!)
- • 1 mile ≈ 1.6 km (golden ratio approximation)
- • 1 foot = 30.48 cm (≈ 30 cm for quick math)
📏 Real-World References
- • Credit card: ~8.5 cm (3.4 in)
- • Dollar bill: ~15.6 cm (6.1 in)
- • Average step: ~75 cm (2.5 ft)
- • Door height: ~2 m (6.6 ft)
🏃 Sports References
- • Marathon: 42.195 km (26.2 mi)
- • Football field: 100 yards (91.4 m)
- • Basketball hoop: 10 ft (3.05 m)
- • Olympic pool: 50 m (164 ft)
⚡ Quick Conversions
- • 10 mm = 1 cm
- • 100 cm = 1 m
- • 12 inches = 1 foot
- • 3 feet = 1 yard
✈️ Travel Tips
- • Speed limits: 60 mph ≈ 100 km/h
- • Room size: 3×4 m ≈ 10×13 ft
- • Height: 6 ft ≈ 183 cm
- • Luggage: 50 cm ≈ 20 inches
🎉 Fun Facts
- • The meter was originally 1/10,000,000 of the distance from equator to pole
- • A foot was literally based on the length of a human foot
- • Inch comes from Latin "uncia" meaning 1/12
- • Mile comes from Latin "mille passus" (1000 paces)