Basic slope, rise, run and gradient relations.
Helpful civil formulas for drainage, roadwork and levelling calculations.
This reference page supports the calculators with extra explanation, which also helps quality and search visibility.
If rise = 0.5 m and run = 10 m, slope = 0.05 and slope percentage = 5%.
Useful short answers to common questions about this topic.
Gradient is another way to express slope, often as 1 in N.
Roads, drains, roofs and site grading.
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