Speed Converter
Convert speed units instantly as you type.
Unit converter
Enter a value to convert.
Invalid Number
Converted Value
Mile per hour (mph)
100km/h=62.1371192237mph
How it works
Fast, local conversions.
Simply type a number and select your units. The conversion updates instantly without needing to click a button. You can swap units at any time.
Quick reference
Common speed conversions.
Questions
About speed conversion.
How do I convert kilometres per hour to miles per hour?
Enter your value, select 'Kilometre per hour (km/h)' in the From dropdown, and select 'Mile per hour (mph)' in the To dropdown. The result appears instantly.
How do I convert miles per hour to kilometres per hour?
Use the swap button between the two dropdowns to reverse the conversion direction, or manually select the units from the lists.
How precise are the conversion results?
The large result is a concise reading, normally up to two decimal places. The conversion line keeps the full meaningful precision from IngoHub’s conversion.
Can I convert between the same units?
Yes. Selecting the same unit in both dropdowns is perfectly valid and will return the exact number you entered.
Does IngoHub store the values I enter?
No. All calculations happen instantly right in your browser. We don't save or transmit the numbers you type.