Calculate the amount of concrete needed using plastic forms
There are a few different brands available, and they will be easier to use for the average person that needs to place forms for pillars or posts that have to support a deck or an overhang.
Brand | Model | Concrete Volume |
Bigfoot | BF20 | 1.75 ft³ |
Bigfoot | BFT10 | 2.18 ft³ |
Bigfoot | BF24 | 2.50 ft³ |
Bigfoot | BF28 | 3.25 ft³ |
Bigfoot | BF36 | 6.0 ft³ |
SquareFoot | SF-22 | 2.0 ft³ |
SquareFoot | SF-28 | 4.5 ft³ |
SquareFoot | SF-32 | 7.0 ft³ |
Redi Base | 8" x 24" | 2.0 ft³ |
4 big foot BF24 concrete forms with 10" diameter concrete tubes BF24 = 2.5 ft³ - enter in field one of calculator 2.5 tube diameter = 10" - enter in field two of calculator 10 form 1 concrete tube height = 1' - 6" form 2 concrete tube height = 2' - 1" form 3 concrete tube height = 1' - 7" form 4 concrete tube height = 2' - 4" for a total height of 7' - 6" enter in field three of calculator 7 feet 6 inches four forms used - enter in field four of calculator a 4 Result: you will need 14.09 ft³ of concrete