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 from length and width, with optional waste allowance.

Find the area of a rectangle from length and width, with imperial and metric support.

Calculate triangle area from base and height, with imperial and metric units.

Calculate hypotenuse, area, perimeter, and angles from the two legs of a right triangle.

Find the diagonal side of a right triangle from two square sides.

Calculate circle area, circumference, and diameter from radius.

Calculate trapezoid area from the two parallel bases and height.

Calculate cylinder volume from radius and height, with cubic feet, cubic meters, gallons, and liters.

Calculate roof pitch, slope angle, and slope factor from rise and run.