Length Conversion Chart

Your complete length conversion reference! Quickly convert between imperial and metric units. Perfect for DIY projects, sewing, construction, cooking, and everyday measurements.

Quick Length Converter

Inches to Centimeters

Inches (in) Centimeters (cm) Inches (in) Centimeters (cm)
1/8"0.318 cm7"17.78 cm
1/4"0.635 cm8"20.32 cm
3/8"0.953 cm9"22.86 cm
1/2"1.27 cm10"25.40 cm
5/8"1.588 cm11"27.94 cm
3/4"1.905 cm12" (1 ft)30.48 cm
7/8"2.223 cm18"45.72 cm
1"2.54 cm24" (2 ft)60.96 cm
2"5.08 cm36" (3 ft)91.44 cm
3"7.62 cm48" (4 ft)121.92 cm
4"10.16 cm60" (5 ft)152.40 cm
5"12.70 cm72" (6 ft)182.88 cm
6"15.24 cm100"254.00 cm

Formula: inches × 2.54 = centimeters

Feet to Meters

Feet (ft) Meters (m) Feet (ft) Meters (m)
1 ft0.305 m20 ft6.096 m
2 ft0.610 m25 ft7.620 m
3 ft (1 yd)0.914 m30 ft9.144 m
4 ft1.219 m40 ft12.192 m
5 ft1.524 m50 ft15.240 m
6 ft1.829 m75 ft22.860 m
7 ft2.134 m100 ft30.480 m
8 ft2.438 m150 ft45.720 m
9 ft2.743 m200 ft60.960 m
10 ft3.048 m500 ft152.400 m
15 ft4.572 m1000 ft304.800 m

Formula: feet × 0.3048 = meters

Yards to Meters

Yards (yd) Meters (m) Yards (yd) Meters (m)
1 yd0.914 m25 yd22.86 m
2 yd1.829 m50 yd45.72 m
3 yd2.743 m100 yd91.44 m
4 yd3.658 m200 yd182.88 m
5 yd4.572 m300 yd274.32 m
10 yd9.144 m500 yd457.20 m
15 yd13.716 m1000 yd914.40 m
20 yd18.288 m1760 yd (1 mi)1609.34 m

Formula: yards × 0.9144 = meters

Miles to Kilometers

Miles (mi) Kilometers (km) Miles (mi) Kilometers (km)
0.25 mi0.402 km10 mi16.09 km
0.5 mi0.805 km15 mi24.14 km
1 mi1.609 km20 mi32.19 km
2 mi3.219 km25 mi40.23 km
3 mi4.828 km50 mi80.47 km
4 mi6.437 km100 mi160.93 km
5 mi8.047 km200 mi321.87 km
6.2 mi (10 km)10.00 km500 mi804.67 km

Formula: miles × 1.60934 = kilometers

Centimeters to Inches

Centimeters (cm) Inches (in) Centimeters (cm) Inches (in)
1 cm0.394"30 cm11.81"
2 cm0.787"40 cm15.75"
3 cm1.181"50 cm19.69"
4 cm1.575"60 cm23.62"
5 cm1.969"70 cm27.56"
10 cm3.937"80 cm31.50"
15 cm5.906"90 cm35.43"
20 cm7.874"100 cm (1 m)39.37"
25 cm9.843"150 cm59.06"

Formula: centimeters ÷ 2.54 = inches

Quick Reference

Imperial Units
  • 12 inches = 1 foot
  • 3 feet = 1 yard
  • 5,280 feet = 1 mile
  • 1,760 yards = 1 mile
Metric Units
  • 10 millimeters = 1 centimeter
  • 100 centimeters = 1 meter
  • 1,000 meters = 1 kilometer
Key Conversions
  • 1 inch = 2.54 cm (exact)
  • 1 foot = 30.48 cm
  • 1 meter ? 3.28 feet
  • 1 mile ? 1.61 km
Common Estimates
  • 1 inch ? width of thumb
  • 1 foot ? length of ruler
  • 1 meter ? 1 large step
  • 1 km ? 12-15 min walk

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How to Use the Length Conversion Chart

Converting between different units of length is essential for many everyday tasks, from home improvement projects and sewing to cooking and international travel. This comprehensive length conversion chart provides instant reference for the most common unit conversions.

Understanding Imperial vs. Metric

The imperial system (inches, feet, yards, miles) is primarily used in the United States, while most other countries use the metric system (millimeters, centimeters, meters, kilometers). Knowing how to convert between these systems is invaluable for:

  • DIY & Construction: Converting measurements from plans or instructions
  • Sewing & Crafts: Working with international patterns
  • Travel: Understanding road signs and distances abroad
  • Online Shopping: Converting product dimensions
  • Science & Education: Converting between measurement systems

Tips for Accurate Conversions

  • Remember the key number: 1 inch = 2.54 cm exactly (this is the basis for most conversions)
  • Use estimation: 1 meter is slightly more than 3 feet (3.28 ft)
  • For miles to km: Multiply by 1.6 (or add 60% for a quick estimate)
  • For km to miles: Multiply by 0.6 (or subtract 40%)
Disclaimer

While we strive for accuracy, these conversions are provided for general reference purposes. For critical applications requiring precise measurements (engineering, construction, medical), please verify conversions using certified measurement tools or professional resources.