Riserun 2100 002. Measure the entire length of the ramp from one end to the other. Rise distance divided by 1.
Check out this tutorial to learn about slope.
First solve for the slope in decimal terms bearing in mind that percent is just 100 times the original number. If the low end of the ramp is. Percent slope 100 riserun. A 24 rise requires a minimum ramp length of 24 288 24 divided by 1.