To convert knots to mph, multiply by 1.150779448.
The calculation uses 1 kn = 1.150779448 mph. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in mph = value in kn × 1.150779448
kn- Input unit: knots
mph- Output unit: mph
How to use this calculator
- Enter a value in kn.
- Multiply by the stored conversion factor.
- Read the result in mph; divide by the same factor to convert back.
Worked examples
Worked conversion
1 kn × 1.150779448 ≈ 1.150779448 mph.
Reverse conversion
1.150779448 mph ÷ 1.150779448 ≈ 1 kn. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 1.150779448 mph per kn.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
kn to mph table
| kn | mph (rounded) |
|---|---|
| 0 | 0 |
| 1 | 1.150779448 |
| 2 | 2.301558896 |
| 5 | 5.75389724 |
| 10 | 11.50779448 |
| 100 | 115.0779448 |
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