Concrete Calculator Cement Bags India

Concrete Calculator

Calculate concrete volume m³, cement bags (50 kg), sand and aggregate for 1:2:4 and 1:1.5:3 mixes — Indian site estimate.

Your data never leaves your browser — all processing happens locally on your device.

Estimates for site ordering — add 5–10% wastage on site. Mix ratios are by volume; verify with your structural engineer for RCC grade.

Foundation PCC, flooring bed — ~6.5 bags cement per m³

About this tool

Enter length, width and depth to get wet concrete volume in cubic metres, plus cement bags (50 kg), sand and coarse aggregate quantities for standard Indian mixes — 1:2:4 (M15 PCC) and 1:1.5:3 (M20 RCC). Free browser calculator for contractors and site engineers. Add site wastage before ordering — verify grade with your structural consultant.

How to use the Concrete Calculator

  1. 1

    Select mix ratio

    Choose 1:2:4 for PCC or 1:1.5:3 for RCC.

  2. 2

    Enter L × W × D

    Add dimensions in metres or feet.

  3. 3

    Review material quantities

    See m³, cement bags, sand and aggregate.

Frequently Asked Questions

How many cement bags per m³ for 1:2:4?

Approximately 6.5 bags (50 kg) per cubic metre of wet concrete, using 1.54 dry volume factor.

What is 1:1.5:3 mix used for?

M20 grade RCC — columns, beams, slabs. Uses roughly 8 bags cement per m³.

Should I add wastage?

Yes — add 5–10% on volume for spillage and uneven subgrade before ordering.

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