About this speed converter
Convert metres per second, kilometres per hour, mph and knots. Values convert through metres per second. One mph is 0.44704 m/s; one knot is one nautical mile of 1,852 m per hour. Use this workspace to prepare a result you can review before putting it to use. All processing takes place on your device, without an account or an upload of your inputs. Check the examples to understand the expected output, read the limitations for the supported scope, and reset the form when you want to start a separate task.
How the speed converter works
Values convert through metres per second. One mph is 0.44704 m/s; one knot is one nautical mile of 1,852 m per hour.
Speed Converter examples
10 m/s → km/h
36 km/h
60 mph → km/h
96.56064 km/h
Limitations & privacy
Nonnegative values up to 1 trillion. This converts a constant speed, not acceleration or travel duration. Display uses up to 15 significant digits; floating-point rounding still applies.
Inputs and results stay in this browser. Only tool identifiers are stored for your recently used tools. You can clear that history from the directory.
Speed Converter: frequently asked questions
How does the speed converter work?
Values convert through metres per second. One mph is 0.44704 m/s; one knot is one nautical mile of 1,852 m per hour.
What can I inspect in the speed converter result?
The conversion input audit helps you check the result before using it. Nonnegative values up to 1 trillion. This converts a constant speed, not acceleration or travel duration. Display uses up to 15 significant digits; floating-point rounding still applies.
Does the speed converter upload my input?
Processing happens in your browser. No tool input or output is uploaded to a server. Use Reset to clear the current workspace before starting a separate task.
Updated September 20, 2026