Construction Calculator Guides & How-Tos

Practical guides to help you estimate materials, understand formulas, and plan construction projects.

How Many Bags of Concrete Per m³?

Calculate how many 20kg, 25kg, or 40kg bags of concrete you need per cubic meter. Quick estimate with examples.

Learn the standard 1m³ concrete cement sand ratio for foundations, slabs, and general construction. Includes mix tables.

Estimate concrete cost per cubic meter including material, delivery, and labor. Understand what affects the final price.

Use this steel bar weight chart and guide to estimate rebar weight per meter and per piece for your reinforcement plan.

Step-by-step guide to calculate tile quantity, including wastage, pattern repeats, and layout planning for floors and walls.

Estimate cement quantity for a 929 m² area based on slab thickness and mix ratio. Includes worked example.

A quick-reference table of standard concrete mix ratios, bag yields per m³, and compressive strength by application. Free to cite and link.