Nirmion
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CONSTRUCTION / RECTANGULAR POUR

Concrete Volume Calculator

Estimate measured and order volume for one or more identical rectangular slabs, pads, paths, or footings with a visible allowance.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

Filter by unit name, symbol, or code. Your current selections remain available.

Preparing the calculator...

Use boundary

Calculation path

All entered lengths are converted to metres for the reviewed rectangular-volume formula. Nirmion multiplies by the section count, then adds your explicit ordering allowance and converts the result to the selected volume unit.

Calculation path

Structural volume = length x width x depth x number of sections. Order volume = structural volume x (1 + allowance percentage).

What you provide

What you provide

  • Finished internal length, width, and concrete depth
  • Count of sections with identical dimensions
  • An allowance checked for your site and supplier

What you receive

What you receive

  • Measured structural volume
  • Allowance volume and total quantity to order
  • Result in cubic metres, cubic feet, or cubic yards

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

For different shapes or depths, calculate each rectangular section separately and add the order volumes.

This quantity estimate does not design the slab, footing, reinforcement, mix, drainage, or load capacity.

Reviewed reference factors

Reviewed reference factors