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`sA = f( L , H , W , "two sides and edges")`

Enter a value for all fields

The **Concrete Forms** calculator computes the surface area of concrete forms based on the wall's dimensions (length, height and width).** Concrete Forms **

**INSTRUCTIONS:** Choose units and enter the following:

- (
**L**) Length of the wall - (
**H**) Height of the wall - (
**W**) Width (thickness) of the wall - (
**s**) To help with estimating the materials for the forms, this calculator has three options:- one side - this computes the surface area of one side of the wall
- two sided - this computes the surface area of both faces of the wall
- two sides and edges (default) - the computes the surface area of both faces and the vertical edges

**Concrete Form Surface Area:** The surface area (**sA**) is computed in square feet. However, this can be automatically converted into other area units (e.g. square meters) via the pull-down menu.

**Rebar Calculator**(Spanish Version:**Calculadora de Barras de Refuerzo**)**Weight of Any Volume of Concrete****Rebar and Concrete Volume and Weight in a Slab****Rebar Weight****Length of Rebar**needed for a slab.**Weight of Rebar**in a slab.**Weight, Volume of Concrete and Surface Area of a Concrete Slab****Surface Area**of a slab**Surface Area of Concrete Forms**.**Volume of Concrete**in a slab.**Water Needed for Concrete****Rebar and Concrete in a Slab****Length of Rebar in Grid****Weight of Rebar in Grid****Rebar in a Wall****Rebar in an Irregular Shaped Slab****Rebar in a Circular Slab****Rebar Lapping Length****Rebar Cost Estimate****Weight of Length of Rebar****Concrete Displaced by Rebar****Total Weight of a Slab with Rebar**

Concrete forms are used to contain liquid concrete and maintain a shape until the concrete has solidified. In short, it helps the concrete maintain its "form". Forms are typically made of plywood or OSB.