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Length Unit Conversion Calculators

Overview:

Length Units are a measure of distance and is a fundamental dimension in many fields, including physics, engineering, and everyday life. Convert between various units of length including meter, angstrom, nanometer, micrometer, mil, millimeter, centimeter, inch, foot, yard, cable length, furlong, kilometer, mile, nautical mile, light second, astronomical unit and light year using the calculator and instructions below.

Calculator for Converting Units of Length

Instructions:

  1. Choose the units you would like to convert to using the drop down options.
  2. Enter known value in one of the available calculator fields.
  3. Choose how many decimal places you wish answer to round to, the default value is five.
  4. Press solve button to find remaining unknown value.
  5. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  6. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.

requirements not met -
Enter one value in the available fields.

Calculation History

Note: only shows calculations performed in current session - If you refresh the page all history will be removed.

Would you like to do a custom conversion? CONVERT CUSTOM UNITS HERE

Require different units not displayed?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
Unit meter (m)
Å 10-10
nm 10-9
μm 10-6
mil 2.54x10-5
mm 10-3
cm 10-2
in 0.0254
ft 0.3048
yd 0.9144
m 1
cable length 185.2
fur 201.168
km 103
mi 1.609344x103
nmi 1.852x103
light-second 2.99792458x108
au 1.495978707x1011
ly 9.4607304725808x1015