Spike's Calculators
Rectangular Post plus Pad Concrete Calculator - Metric
Sometimes your plan will call for a rectangular post instead of a column. With columns your pads are usually square but when it calls for a rectangular post the pad will be rectangular shaped as well. Therefore to use this calculator you will have to enter the length, width and depth of the pad, plus the length, width and height of your post.
Rectangular Post plus Pad
When Ordering Concrete
This concrete calculator will help you in estimating the amount of concrete needed for your project. The amount given as needed, does not include any waste. It is recommended, depending on the job you are doing, to add anywhere from an extra 4% to 10% to your concrete order to make sure you have enough concrete to finish the job. Ask when ordering the concrete. They will be able to give you a good idea of what is needed.Concrete Volume Calculators
Imperial
Metric
Shapes using Imperial & Metric Measurements
- Circle
- Circle - Metric
- Donut
- Donut - Metric
- Ellipse
- Ellipse - Metric
- Equilateral Triangle
- Equilateral Triangle - Metric
- Octagon
- Octagon - Metric
- Oval
- Pentagon
- Pentagon - Metric
- Scalene Triangle
- Scalene Triangle - Metric
- Stadium Shape
- Stadium Shape - Metric
- Trapazoid
- Trapezium
- Plastic Concrete Footing Form