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Free Converters tool

Convert road, wind, marine, and scientific speeds

Move between familiar speed units for travel, weather, boating, sport, and technical work with a result that updates as you type.

Five useful speed unitsRoad and marine measuresOne-click unit swap

Speed Converter

Convert road, marine, and scientific speed measurements instantly.

Use the Speed Converter in three steps

01

Enter the speed

Type the known numeric value.

02

Choose source and target

Select the current unit and required unit.

03

Use the live result

Swap the direction when you need the reverse relationship.

Knots are nautical miles per hour

A knot is based on the nautical mile and is used in marine and aviation contexts. It is not the same as a statute mile per hour.

Keep measurement context

A converted speed remains mathematically equivalent, but posted limits, instruments, and forecasts may use local rounding conventions.

Speed Converter FAQ

How many km/h is 60 mph?

Sixty miles per hour is approximately 96.56 kilometers per hour.

What is one knot in km/h?

One knot equals 1.852 kilometers per hour.

How do I convert m/s to km/h?

Multiply meters per second by 3.6.

Are knots miles per hour?

Knots are nautical miles per hour, not ordinary statute miles per hour.

Can the converter handle negative values?

Yes mathematically, though negative speed usually represents direction in a larger calculation.

Why is the result rounded?

The display limits long decimal expansions while retaining useful precision.