Material Calculator

Concrete, brick, and rebar — all in one calculator

Concrete Mix Calculator
MaterialQuantity
Brick/Block Estimate
TypeQuantity
Rebar Estimate
0 kg
⚠️ This calculator is a simple reference (preliminary estimation) tool based on standard engineering formulas. Actual quantities may differ due to site conditions, material types, construction tolerances, and applicable codes. calcstool.com assumes no legal liability for any direct or indirect damages resulting from material orders, designs, or construction based on these calculations.
FAQ
What does mix ratio 1:2:4 mean?
It refers to cement:sand:gravel by volume. 1:2:4 is standard (~18MPa), 1:1.5:3 is high-strength (~25MPa), 1:3:6 is low-strength (~10MPa).
Does the estimate include waste?
This is the net quantity. Typically add 5-10% for breakage, cutting, and waste when ordering.
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Building Material Estimation

Calculates cement, sand, gravel, and water based on concrete mix ratios. Includes cement bag count (40kg/bag). Brick and rebar estimates use standard unit rates.