What every result keeps visible
- Formula ID, version, internal QA status and planning boundary.
- Inputs, assumptions, allowance and purchase-rounding effect.
- Editable estimate costs that remain distinct from material quantity.
7 tested tools in masonry
Masonry calculators
Count CMU and brick from net wall area using nominal face sizes that include the mortar joint, then round mortar bags from a stated yield. Planning count only.
Formula-first tool library
Choose the right masonry calculator.
Plaster cement and sand calculator
Wall plaster cement bags and dry sand volume from net wall area, thickness and an entered volume mix.
Open calculatorConcrete block calculator
CMU count and mortar-bag planning from wall area, opening deductions and nominal block face size.
Open calculatorBrick calculator
Brick count and mortar-bag planning from wall area, opening deductions and nominal brick face size.
Open calculatorMortar calculator
Type N/S mortar volume and bag count from net wall area using a published 5.5 ft³ per 100 ft² rule of thumb.
Open calculatorRetaining wall block calculator
SRW and garden-block count from exposed face area and the selected block face.
Open calculatorStone veneer calculator
Manufactured-stone carton count from net face area and the coverage printed on the carton.
Open calculatorCMU grout fill calculator
Grout volume and 80 lb bag equivalent to fill CMU cores from wall face, block module and grout per block.
Open calculatorCommon question
Does nominal size include mortar?
These are transparent planning aids, not engineering, code, installation or final supplier specifications. Confirm actual job requirements before construction.