![]() You can use our angle converter to convert your slope from degrees to one of these measurements. While this is less commonly needed by homeowners, laypersons, or landscapers, it may be useful for some applications. ![]() The angle of incline can also be expressed in other units of angle measurement, such as radians or grads. For comparison, something held at a 45-degree angle has a grade percentage of 100%. To find the percentage multiply this decimal by 100%, like this: 0.3125 × 100% = 31.25%. To find the percent of incline of a grade, solve the rise/run fraction as a decimal, then convert to a percentage.įor example, if the grade is 5/16, solve as a decimal by dividing 5 by 16, which gives you 0.3125. For example, if you measure your rise in inches but your run in feet, you will need to multiply your run measurement by 12 to convert it to inches so that your rise and run will match.īecause many grades are shown as a percentage, such as the common 5% grade required for a patio to drain, you will often find that you need to convert your fraction to a percentage. Keep in mind that both your rise and run must be in the same unit of measurement. The grade of an elevation can be found by measuring the horizontal length of an elevation, also known as the run, and the vertical height of the elevation, or the rise. Because roof pitch is calculated slightly differently than most other projects, see our roof pitch calculator to learn more about estimating the slope of a roof. Grade measurements are also used to ensure that ramps meet ADA requirements and for roof design for buildings. They can also be useful in determining drainage when installing a patio, since grades that are too steep can be hard to use, while areas that don’t slope enough may not drain properly. Grade measurements are often used in projects ranging from roofing to road or driveway construction. Grade can be expressed as the amount of rise over run, as a percentage, or as an angle measurement in degrees or radians. Grade, also referred to as slope, is the amount of incline of an elevation, for example, the angle of the side of a hill.
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