# round up nearest 0.10

I need to round up to the nearest 0.10 with a minimum of 2.80

` var panel; if (routeNodes.length > 0 && (panel = document.getElementById('distance'))) { panel.innerHTML = (dist/1609.344).toFixed(2) + " miles = £" + (((dist/1609.344 - 1) * 1.20) + 2.80).toFixed(2); } `

any help would be appreciated

`var number = 123.123;`

``` ```

```Math.max( Math.round(number * 10) / 10, 2.8 ).toFixed(2); ```

If you need to round up, use Math.ceil:

```Math.max( Math.ceil(number2 * 10) / 10, 2.8 ) ```

Multiply by 10, then do your rounding, then divide by 10 again

```(Math.round(12.362 * 10) / 10).toFixed(2) ```

Another option is:

```Number(12.362.toFixed(1)).toFixed(2) ```

```var panel; if (routeNodes.length > 0 && (panel = document.getElementById('distance'))) { panel.innerHTML = Number((dist/1609.344).toFixed(1)).toFixed(2) + " miles = £" + Number((((dist/1609.344 - 1) * 1.20) + 2.80).toFixed(1)).toFixed(2); } ```

To declare a minimum, use the `Math.max` function:

```var a = 10.1, b = 2.2, c = 3.5; alert(Math.max(a, 2.8)); // alerts 10.1 (a); alert(Math.max(b, 2.8)); // alerts 2.8 because it is larger than b (2.2); alert(Math.max(c, 2.8)); // alerts 3.5 (c); ```

```var miles = dist/1609.344 miles = Math.round(miles*10)/10; miles = miles < 2.80 ? 2.80 : miles; ```

to round to nearest 0.10 you can multiply by 10, then round (using `Math.round`), then divide by 10

Category:javascript Views:2 Time:2010-02-05
Tags: javascript

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