Conversion Kilometers Miles Calculator

How the answer is presented. The conversion itself is identical in every mode.
Ruler reading only. 16 for a standard tape measure, 32 or 64 for a machinist rule.
Height reading only, when the source unit is feet.
Height reading only, added to the feet above.
Applied to the display value; the exact result is also returned.
Converted value
0.621371
Unit Converter
Unrounded result
0.621371
Conversion
1 km = 0.6213711922 mi
Reading
0.6213711922 mi
Multiply by
0.621371
Reverse conversion
1
fromUnit
kilometre
toUnit
mile
family
length
Worked out from NIST Special Publication 811, Guide for the Use of the International System of Units and 1 other source.

How this is worked out

2 steps
  1. 1 km = 0.621371192237 mi
  2. 1 x 0.621371192237 = 0.6213711922 mi

Results are general information, not financial, tax, legal, medical or engineering advice.