Kilometer per hour to Mile per hour Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert kilometers per hour [km/h] to miles per hour [mi/h] or miles per hour [mi/h] to kilometers per hour [km/h]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 kilometer per hour [km/h] ≈ 0.6214 miles per hour [mi/h]1 mile per hour [mi/h] ≈ 1.6093 kilometers per hour [km/h]

Convert kilometers per hour to miles per hour

There are two simple ways to convert kilometers per hour [km/h] to miles per hour [mi/h]. In the first calculation method, the value in kilometers per hour [km/h] is divided by the rounded conversion factor of 1.6093. The second method multiplies the value in kilometers per hour [km/h] by the rounded conversion factor of 0.6214.

  • Miles per hour [mi/h] ≈ kilometers per hour [km/h] ÷ 1.6093
  • Miles per hour [mi/h] ≈ kilometers per hour [km/h] * 0.6214

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of kilometers per hour [km/h] to miles per hour [mi/h] can be achieved using the following calculation method.

  • Miles per hour [mi/h] = kilometers per hour [km/h] ÷ 1.609344

Convert miles per hour to kilometers per hour

Converting miles per hour [mi/h] to kilometers per hour [km/h] is easy and can be done in two ways. The first method involves multiplication, in which the value in miles per hour [mi/h] is multiplied by the rounded conversion factor of 1.6093. The second variant is a division. Here, the value in miles per hour [mi/h] is divided by the rounded conversion factor of 0.6214.

  • Kilometers per hour [km/h] ≈ miles per hour [mi/h] * 1.6093
  • Kilometers per hour [km/h] ≈ miles per hour [mi/h] ÷ 0.6214

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of miles per hour [mi/h] to kilometers per hour [km/h] can be achieved using the following calculation method.

  • Kilometers per hour [km/h] = miles per hour [mi/h] * 1.609344

Converter

Decimal places

How it's calculated

Factor: 
≈ 1.609
Miles per hour = Kilometers per hour ÷ 1.609344
Kilometers per hour = Miles per hour * 1.609344

To all available units

Kilometers per hour

Miles per minute

Kilometers per hour

Miles per second

Kilometers per hour

Millimeters per hour

Kilometers per hour

Millimeters per minute

Kilometers per hour

Millimeters per second

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