Rebar spacing is calculated so that each square foot of reinforced area is sufficient for its load and can be calculated using a rebar spacing calculator. Taking grade, size, spacing and location into consideration, calc... More »

An online right triangle calculator is a program that calculates the unknown side lengths or angle measurements. It uses the known side length and angle measurements for its calculations. More » Math Geometry Trigonometry

Meta-Calculator and Alcula offer advanced calculators online. Meta-Calculator provides users access to graphing, scientific, matrix and statistics calculators. Alcula, however, provides one scientific calculator that sup... More » Math Math Calculators

A generator sizing calculator works out the size of generator needed for a particular load. The calculator typically asks about the type of appliances in use or the power demand and shows a suitable generator. Calculatin... More » Home & Garden Outdoor

One way to build a pond is to dig a hole, install electrical lines and water pipes, line the hole with rebar and concrete, coat it with pond sealant, and install a water pump. This procedure usually takes about one week ... More » Home & Garden Outdoor

Build a backyard fire pit using concrete blocks or bricks, rebar stake and shovel. Mark a circle in the area with the stake, string and shovel, and dig a small area for the wood. Complete the pit with rocks, bricks or bl... More » Home & Garden Outdoor

A wheelbarrow generally consists of one wheel and two handles that are used to push a barrel-type container with a small load from one location to another. Replacement parts include the wheel, inner tube for the wheel an... More » Home & Garden Outdoor