kph to mph Conversion

$Speed Converter Calculator$

Welcome to our kph to mph help page.

We have an online calculator to help you convert kilometers per hour to miles per hour, lots of worked examples, and clear instructions for how to do the conversion yourself.

Want to practice this skill? Try our printable km per hour to miles per hour worksheet.

Quicklinks to ...

km/h to mph conversion calculator
How to convert from km per hour to miles per hour
Worked Examples
Convert kph to mph Worksheet
Quick Conversion Facts
mph to kph conversion
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kph to mph conversion calculator

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How It Works

Here is our kph to mph conversion calculator which will help you convert between the two different speeds in kilometers per hour and miles per hour.

The converter will also show you the formula you need to convert between units.

How It Works...

Step 1) Type in the speed.

Step 2) (Optional) - choose what accuracy you want your answer - the default is 1 decimal place.

Step 3) Click the Convert button and the answer will be displayed.

How to do your own kph to mph conversion

How to convert kph to mph

To convert an amount from kilometers per hour to miles per hour, you just need to multiply the amount by 0.6213 (to 4dp).

This is because 1 km = 0.6213 miles (to 4dp).

Worked Examples

1) Convert 12 kilometers per hour into miles per hour.

To convert from kph into mph we need to multiply by 0.6213.

12 x 0.6213 = 7.5 (to 1dp)

So 12 kph is 7.5 mph to 1dp.

2) Convert 20 kph into mph. Give your answer to 2dp.

To convert from kph into mph we need to multiply by 0.6213.

20 x 0.6213 = 64.636

So 20 kph is 12.43 mph to 2dp.

3) What is 100 kph in mph?

To convert from kph into mph we need to multiply by 0.6213.

100 x 0.6213 = 62.13

So 100 kph is 62.1 mph to 1dp.

4) How many miles per hour is 35 km per hour? Give your answer to 2 decimal places.

To convert from kph into mph we need to multiply by 0.6213.

35 x 0.6213 = 21.7455

So 35 kph is 21.75 mph to 2dp.

Quick Conversions Facts miles per hour to kilometers per hour

Here are some a few quick simple conversion facts from kph to mph.

All the conversions are given to 2dp.

1 kph = 0.62 mph
10 kph = 6.21 mph
15 kph = 9.32 mph
20 kph = 12.43 mph
25 kph = 15.53 mph
30 kph = 18.64 mph
40 kph = 24.85 mph
50 kph = 31.07 mph
60 kph = 37.28 mph
80 kph = 49.71 mph
100 kph = 62.14 mph
120 kph = 74.56 mph
140 kph = 86.99 mph
160 kph = 99.42 mph
180 kph = 111.85 mph
200 kph = 124.27 mph
1000 kph = 621.37 mph

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Online Speed Conversion Check

Every effort has been made to ensure that the Length Conversion calculator on this page is as accurate as possible.

If you wish to double check that the conversion that you wish to make is correct, or if the conversion that you are looking for is not here, use the link below which will open an online conversion checker in a new browsing window.

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Using the link below will open the onlineconversion checker in a new browswer window.