Spike's Calculators

# Difference in Height from a Slope Percentage

This calculator will calculate the height difference in inches based on the required slope percentage and the length of the area that requires the slope.

### Height from Slope Percentage

Length ft in
Required Slope %
Decimal Rounding # of digits

#### Results:

 Height Difference in Height Difference in

#### Calculation

1. Enter the length in feet and inches
2. required slope in a percentage
3. decimal precision, the number of digits after the decimal point

#### Results

1. height difference in decimal inch
2. height difference inches plus fraction
##### Example
A garage floor of 24 feet 6 inches requires a 2% slope.
```24'-6" = 100%
To make it easier and more useful, convert the foot value into inches
24 * 12 = 288 + 6  =  294"
294 = 100%```
Divide this amount by one hundred and multiply it by two to get the 2 percent value;
`294 ÷ 100 = 2.94 * 2 = 5.88"`
The garage floor needs a height difference of 5.88 inches to get the required 2% slope. (the back of the garage floor has to be 5.88 inches higher than the front)