BlockToBlock
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Estimate on site—even offline. BlockToBlock is available on iPhone and Android.

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Useful before download

Bring a real site question. Leave with a checked starting point.

Choose a calculation, use your measurements and see every assumption. Results stay in this browser unless you choose to download a portable starter file.

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Measurements Production mixes Purchasing and logistics
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Boundary wall

Saved locally 0
Net wall area—
Indicative blocks—
Material starting cost—
Assumptions to review
    See a professional estimate

    Planning aid only. Verify dimensions, structural requirements, mix design, coverage, waste, purchasing units and site conditions before ordering or building.

    Continue with the job

    Guidance built around what you are constructing

    Boundary-wall workflowMeasurements, openings, waste and deliveryConcrete workflowVolume, working ratios and purchasingRoofing workflowPitch, coverage, sheets, timber and fixingsMix and purchase guidanceBlock production, mortar and delivered quantitiesHow calculations are presentedAssumptions, rounding and human review