Mortar Volume Formula:
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Definition: This calculator estimates the volume of mortar needed based on area in square centimeters, mortar thickness, mix ratio, and bag yield.
Purpose: It helps construction professionals and DIYers determine how much mortar is required for tiling and masonry projects.
The calculator uses the formula:
Where:
Explanation: The area is multiplied by thickness (converted to cm) and mix ratio, then divided by bag yield (converted from m³ to cm³).
Details: Accurate mortar calculation ensures proper adhesion, minimizes waste, and helps with project budgeting.
Tips: Enter the area in cm², thickness in mm (default 10mm), ratio (default 1.5), and yield per bag in m³ (default 0.03). All values must be > 0.
Q1: Why calculate in square centimeters?
A: Square centimeters provide precision for smaller tiling projects where exact measurements are crucial.
Q2: What's a typical mortar thickness?
A: For tiles, 3-12mm is common. 10mm is the default as it works for most wall tile applications.
Q3: What does the mortar ratio represent?
A: The ratio of mortar components (e.g., 1:4 cement:sand would be ratio 5). Default is 1.5 for thin-set mortar.
Q4: How do I find my mortar bag yield?
A: Check manufacturer specifications - typically 0.03m³ per 25kg bag for standard mortar.
Q5: Does this include waste or overage?
A: No, consider adding 10-15% to the calculated volume for project contingencies.