Weekend project or full-time living, PowerOne helps you calculate the right materials every time.

Converts between various Imperial and metric area units.

Calculate the area of triangles, squares, rectangles, octagons, circles and ellipses.

Estimates board feet of lumber given the dimensions and number of pieces.

Estimates the number of concrete bags required to fill a designated volume. Either enter a width, length and height (depth) to calculate the volume or enter the volume specifically.

Converts between various Imperial and metric length units.

Calculate the perimeter of triangles, squares, rectangles, trapezoids, polygons, and circles.

Converts between various Imperial and metric volume units.

Calculate the area of cubes, boxes, cones, spheres, and cylinders.