Concrete Block Fill Calculator

This is Concrete Block Fill Calculator. You can also use it through our mobile application.

Take a look other related calculators, such as:

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Should concrete blocks be filled?

Considering everything, filling your cinder blocks isn’t exactly necessary, but it is completely safe, assuming you don’t add dirt to it.

What is core fill concrete?

Core fill is a mixture of sand and aggregate. It is used for filling block work such as masonry greys to provide stability and strength.

What is the best mix for concrete blocks?

Concrete blocks are often made of 1:3:6 concrete with a maximum size aggregate of 10mm or a cement-sand mixture with a ratio of 1:7, 1:8, or 1:9.