pace-converter/src/float-2-time.js

Universal running pace converter. Minutes per kilometer, Kilometers per hour, Minutes per mile, Miles per hour.

const pad2 = number => (number < 10 ? `0${number}` : number);

const float2time = (float) => {
  const integer = Math.floor(float);
  const decimal = float % 1;
  const minutes = pad2(integer);
  const seconds = pad2((60 * decimal).toFixed(2));
  return `${minutes}:${seconds}`;
};

module.exports = float2time;