Knots to Miles/hour Converter
Convert knots to miles/hour instantly. Exact factor: 1 kn = 1.151 mph.
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Convert knots to miles/hour
The exact conversion factor is 1 kn = 1.151 mph. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the knots value by 1.151 to get miles/hour.
Worked example
- Take 1 kn
- multiply by 1.151
- the result is 1.151 mph
How to use it
- Enter your knots
- Read the miles/hour result
- Check the factor line to verify by hand
Frequently asked questions
How many miles/hour are in one knots?
Exactly 1.151 mph, by the SI/NIST definition.
How do I convert miles/hour back to knots?
Divide by 1.151 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.