1 in (1 tan (3)) = In this case, you can calculate the run directly from the hypotenuse formula: (more about that formula in our Pythagorean theorem calculator). A smartphone, if equipped with adequate hardware like gyroscopic sensors, can accurately provide you with a surface's slope when you lay your it on the slope. try { Subtract y from both sides of the equation to get 7x - y - 9 = 0, Add 9 to both sides of the equation to get 7x - y = 9. Gradient Calculator. Slope degrees are related to the inverse tangent of the slope ratio. "); As well as including many different accessibility standards, it contains guidelines for ramp construction. var gaJsHost = (("https:" == document.location.protocol) ? The hot car calculator shows how fast a car's interior heats up during a summer day. Multiply c by x and add this to the new line. Let's call the vertical height 'b', the horizontal distance 'a', and the ramp path 'c'. However, consider that the slope is the result of the equation: