Construction and DIY

Measure a screw on your calibrated screen, or print a true-to-size paper gauge — then read its diameter, thread pitch and length.

Measure a drill bit on your calibrated screen, or print a true-to-size gauge — then read its metric and inch size.

Measure an O-ring on your calibrated screen, or print a true-to-size sizer — then read its inner diameter and cross-section.

Measure a hex key on your calibrated screen, or print a true-to-size gauge — then read its metric or SAE size.

Measure a nail on your calibrated screen, or print a true-to-size gauge — then read its penny size, length and shank thickness.

Enter the floor-to-floor height and get the riser height, tread depth, stair angle and stringer length, with comfort and code checks.

Enter the room size and the tile size, add a waste margin, and get the number of tiles and boxes to buy.

Enter the room size, the number of coats and the paint coverage, and get the litres or gallons to buy.

Enter the room size, the roll size and the pattern repeat, and get the number of rolls to buy.

Enter the dimensions of a slab, footing or round column and get the concrete volume and the number of pre-mix bags.

Enter the board thickness, width, length and quantity to get the board feet per board, the total and the cost.

Enter the fence length and post spacing to get the posts, sections, rails and pickets you need.