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Speed and Pace Converter
A pace or a speed in every form, with the finish times that follow.
It runs entirely in this browser tab: what you type is never uploaded, and every conversion says which published table or definition it came from.
Settings
- Given as
- Choices: Per kilometre, Per mile, km/h, mph, /500 m.
- Pace or speed
- 5:00
- Show the distances
- On or off. Starts on.
How to use it
- Paste your text into the box above, or open a file.
- Adjust the settings beside it until the result is what you wanted.
- Copy the result, or save it as a file. The result updates as you type.
Questions
- Is what I type uploaded anywhere?
- No. The whole application is carried as WebAssembly and runs on your own device. There is no server to send anything to, and none of these tools makes a network request while it works.
- Why does a size converter keep telling me to check the maker's chart?
- Because a size is a convention rather than a measurement. Two makers put different numbers on the same garment, and the same number on two shelves in one shop can differ by a whole size. What is converted here is a number; what decides whether something fits is the measurement it came from, which is why every one of these gives that too.
- Which cup, which gallon, which gigabyte?
- Whichever you choose — and the answer says so. There are four cups in common use, two gallons, two pints and two meanings of a gigabyte. A converter that picks one silently is wrong for everybody who meant the other.
- Why will the wire tool not give a current rating?
- Because that number is not a property of the metal. What a conductor may safely carry depends on its insulation, how it is installed, whether it is bundled with others, the ambient temperature and the wiring regulations where you are. A figure from a web page would be read as permission. The geometry and the resistance are properties of the copper, and those it gives.
Other tools for notations
All twenty-six tools