Conversions

Kph to mph

Convert kilometres per hour to miles per hour instantly. Includes a reference table for common speeds.

Enter value

Result

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1 km/h = 0.621371 mph

Need the reverse? Try miles per hour → kilometres per hour instead →

kilometres per hour to miles per hour — reference table

kilometres per hour (kph)	miles per hour (mph)
30kph	18.64mph
50kph	31.07mph
60kph	37.28mph
80kph	49.71mph
100kph	62.14mph
110kph	68.35mph
120kph	74.56mph
130kph	80.78mph
150kph	93.21mph

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How to use Kph to mph

01 Enter the value you want to convert in the input field
02 The converted result appears instantly
03 Scroll down for a quick-reference table of common values

Frequently asked questions

Common questions about Kph to mph.

Is Kph to mph free to use?

Yes, Kph to mph is completely free. No account, subscription, or payment is ever required — just open the page and start using it.

Does Kph to mph upload my data to a server?

No. Kph to mph runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.

Can I use Kph to mph on my phone or tablet?

Yes. Kph to mph is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.

How accurate are the conversions?

Kph to mph uses standard mathematical conversion formulas and displays results to up to 8 decimal places of precision.

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About Kph to mph

Kilometres per hour (km/h or kph) is the metric standard for speed measurement used on road signs, speedometers, and wind speed reports in most countries worldwide. Miles per hour (mph) is used primarily in the United States, the United Kingdom, and a few other territories. One kilometre per hour equals approximately 0.621371 miles per hour. Kph to Mph conversion is needed when reading European or Australian speed limits and comparing them with US or UK equivalents, interpreting international weather reports, converting GPS speed data between units, and understanding vehicle specifications from non-US markets.