Housing and Home Calculations

Calculate concrete weight from slab, cylinder, hollow-pipe or known-volume dimensions with editable density, units, payload trips and cost.

Calculate swimming pace, finish time, speed, pool lengths and cumulative splits for meters or yards.

Pool Chemistry Calculator Calculate a measured addition of liquid chlorine, dry chlorine or salt, or scale any manufacturer label dose to your pool volume and desired change. Safety: Test the water first and follow the exact product label. Add chemicals separately, never mix products, use protective equipment and keep swimmers out for the label-specified time. … Read more

Calculate fence paint or stain for solid panels, spaced pickets, posts and measured extras, including coats, coverage, whole cans and cost.

Calculate potting soil for tapered pots, rectangular planters or known container volumes, including whole bags, excess, cost and mix ratios.