Summary
Convert common road, scientific, aviation, and maritime speed units.
Calculation details
A knot is one nautical mile per hour, using an exact 1,852-meter nautical mile.
Formula
Result = value × source meters per second ÷ target meters per second.
Worked example
Worked conversion
100 km/h is about 62.1371 mph.
How it works
Enter a speed and choose units. Knots use an exact 1,852-meter nautical mile.
Frequently asked questions
Does the calculation round the input?
No. The converter retains raw JavaScript numeric precision and delegates visible rounding to the existing display formatter.
Which unit definitions are used?
Speed factors are centralized relative to meters per second; a knot uses the exact international nautical mile.