Knots to Miles per Hour converter (kn to mph)
Convert Knots (kn) to Miles per Hour (mph) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Miles per Hour to Knots (mph to kn) ►
How to convert Knots to Miles per Hour
1 knot (kn) is equal to 1.15078 miles per hour (mph).
mph = kn × 1.15078
Multiply the speed in knots by 1.15078:
Example: Convert 20 knots to mph:
mph = 20 × 1.15078 = 23.0156 mph
What is a Knots?
The Knots (kn) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Miles per Hour?
The Miles per Hour (mph) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts speed from Knots into Miles per Hour. One kn equals 1.15078 mph.
Knots to Miles per Hour conversion table
Common kn values and the matching mph result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Knots (kn) | Miles per Hour (mph) |
|---|---|
| 1 kn | 1.15078 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 20 kn | 23.0156 mph |
| 30 kn | 34.5234 mph |
| 50 kn | 57.539 mph |
| 100 kn | 115.078 mph |
How this calculator works
The form on this page is a Knots-to-Miles per Hour converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the mph result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many mph are in 1 kn?
1 kn = 1.15078 mph.
How do I convert Knots to Miles per Hour?
Multiply the speed in knots by 1.15078:
Is this kn to mph converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.