Inch to Kilometer Converter

Convert Inch (in) to Kilometer (km) instantly. Free online length conversion calculator.

About Inch

Symbol: in

Category: Length

Description

The inch (in) is a unit of length in the imperial system, equal to 1/12 of a foot or 2.54 centimeters exactly.

Common Uses

  • Screen sizes (TV, phone, tablet)
  • Pipe and lumber dimensions
  • Clothing measurements
  • Tool sizes
  • Photography

Benefits

  • Familiar in US and UK
  • Good for small to medium measurements
  • Standard in many industries
  • Easy fractions (1/2, 1/4, etc.)

Quick Facts

  • 1 inch = 2.54 cm exactly
  • 1 foot = 12 inches
  • Thumb width ≈ 1 inch
  • Standard business card: 3.5 × 2 inches

About Kilometer

Symbol: km

Category: Length

Description

The kilometer (km) is equal to 1,000 meters. It is commonly used to measure distances between geographical locations.

Common Uses

  • Road distances
  • Marathon and running distances
  • Geographic measurements
  • Travel planning
  • City planning

Benefits

  • Ideal for long distances
  • Standard for road signs globally
  • Easy to calculate travel times
  • Metric system compatibility

Quick Facts

  • 1 km = 1,000 meters
  • Marathon distance: 42.195 km
  • Earth's circumference: ~40,075 km
  • Walking speed: ~5 km/h

Inch to Kilometer Conversion Table

InchKilometer
1 in0.000025 km
5 in0.000127 km
10 in0.000254 km
25 in0.000635 km
50 in0.00127 km
100 in0.00254 km
500 in0.0127 km
1000 in0.0254 km
How to Convert Inch to Kilometer

To convert from Inch (in) to Kilometer (km), multiply the value by 0.000025.

Formula:
km = in × 0.000025

Example:
1 in = 0.000025 km