@mmankos/geodistance
Lightweight, zero-dependency, ES module utility for calculating the great-circle distance between two latitude/longitude coordinates, in kilometers, using the Haversine formula.
split-tracker
A simple JS library for calculating running track split times.
pace-converter
Universal running pace converter. Minutes per kilometer, Kilometers per hour, Minutes per mile, Miles per hour.
d4m-unit-converter
This npm package allows for easy conversion between metric and imperial units, as well as between different temperature scales, through an intuitive interface.