Gutter Slope Calculator Enter any 1 value to calculate the required value L is the length of the gutter Feet (ft) Meters (m) Centimeters (cm) Inches (in) Gutter Slope (height needed) Inches (in) Millimeters (mm) Centimeters (cm) Calculate Reset Show Calculation Steps ▼ More CalculatorsLength CalculatorsLength of Slope Calculatormm to cm Converter Calculator Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment.