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30-seconds-of-code/mapNumRange.md
2019-02-23 11:25:11 +02:00

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### mapNumRange
Maps a number from one range to another range.
Returns `num` mapped between `out_min`-`out_max` from `in_min`-`in_max`.
```js
const distance = (num, in_min, in_max, out_min, out_max) => (num - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
```
```js
mapNumRange(5,0,10,0,100); // 50
```