Calculator category

Geometry Basics

Use simple shape, area, volume, triangle, pitch, and layout calculators for everyday measuring, planning, and project math.

9 calculators

Pick the calculator closest to the decision you are trying to make.

Calculate square footage or square meters for rooms, floors, walls, slabs, yards, decks, flooring, paint, tile, and project material estimates.

Calculate rectangle area and square footage from length and width for rooms, walls, floors, pads, panels, and material takeoff planning.

Calculate triangle area from base and height for angled rooms, gables, landscaping, material layouts, and geometry planning.

Calculate right-triangle hypotenuse, area, perimeter, and angles from two legs for layout, diagonal checks, ramps, roofs, and geometry work.

Find the diagonal or missing side of a right triangle from two sides for layout, framing, square checks, roofs, and geometry problems.

Calculate circle area, circumference, diameter, and radius for round pads, tanks, holes, landscaping beds, pipe layouts, and geometry problems.

Calculate trapezoid area from two parallel bases and height for angled rooms, irregular lots, roof sections, landscaping, and geometry work.

Calculate cylinder volume from radius and height with cubic feet, cubic meters, gallons, and liters for tanks, tubes, bins, and material planning.

Calculate roof pitch, slope angle, slope factor, rise, and run for roofing material estimates, roof-area planning, and pitch comparisons.