Home/Conversion Calculators/Distance Converter

Distance Converter

A comprehensive tool to convert between various units of distance, from millimeters to miles, including metric and imperial systems.

Was this calculator helpful?

Share this Calculator

Understanding Distance Conversions

Converting between different units of distance is a common task in various fields, from everyday life to scientific research. The two primary systems of measurement are the metric system and the imperial system.

The Metric System

The metric system is an internationally recognized decimal system of measurement. The base unit for length is the meter (m). Other common units are derived from the meter by multiplying or dividing by powers of 10:

  • Kilometer (km): 1,000 meters
  • Centimeter (cm): 1/100 of a meter
  • Millimeter (mm): 1/1,000 of a meter

The Imperial System

The imperial system is primarily used in the United States. Its units have historical origins and are not based on powers of 10.

  • Mile (mi): 1,760 yards or 5,280 feet
  • Yard (yd): 3 feet
  • Foot (ft): 12 inches
  • Inch (in): The base unit

Converting Between Systems

The key to converting between systems is knowing the conversion factors. The fundamental relationship is:

1 inch = 2.54 centimeters

From this, all other conversions can be derived. For example, to convert kilometers to miles, you convert kilometers to meters, then to inches, and finally to miles.

Common Conversion Factors

FromToMultiply by
MilesKilometers1.60934
KilometersMiles0.621371
FeetMeters0.3048
MetersFeet3.28084

Similar Calculators

Convert between units of angular acceleration.

Convert between units of acceleration like m/s² and g-force.

Convert land area from acres to hectares, two common units for measuring large plots of land.

Convert land area from acres to square feet.

A comprehensive tool to convert angles between various units, including degrees, radians, gradians, and revolutions.

Convert between angle units such as degrees, radians, and gradians.

Convert between angstroms and nanometers, two units of length used for very small scales in science and technology.

Convert between common units of area such as square feet, square meters, and acres.

Explore Other Calculators

Calculate your car's 0-60 mph time based on its horsepower and weight.

Quickly calculate the date that is 100 days from a starting date. Perfect for tracking 100-day challenges or project milestones.

Estimate your self-employment taxes as a freelancer or independent contractor. Helps you plan for quarterly tax payments and avoid surprises.

Find the date that is 120 days from any given start date. Useful for planning timelines, loan terms, and long-term projects.

Calculate the date that is 180 days (about six months) from a specific start date. Ideal for setting semi-annual goals or deadlines.

A simple tool to find the date that is exactly 30 days from a given start date. Commonly used for trial periods and monthly planning.

Quickly add or subtract 30 minutes from any given time. A handy tool for scheduling meetings, breaks, or appointments.

Project the growth of your 401(k) retirement savings over time. See how contributions, employer match, and investment returns can impact your nest egg.