Sand to Cement Calculator – Free Concrete Mix Tool

How to use it

Enter total wet volume and the cement, sand, and gravel ratios
Click the calculate button
Read the sand volume result in cubic feet

What it does – The Sand to Cement Calculator takes your total wet concrete volume and the three‑part mix ratios (cement, sand, gravel) to tell you exactly how many cubic feet of sand you’ll need. Why it matters – Knowing the sand quantity helps you order the right amount, avoid waste, and keep your mix proportions on target for strength and durability. How to read the result – The output is the sand volume in cubic feet, based on the standard conversion that dry (loose) concrete occupies 1.54 × the wet volume, then apportioned according to your mix ratios. Use this figure when ordering or measuring sand on site. No hidden fees, no registration – just instant, reliable data.

Frequently asked questions

What sand volume do I need for a given wet concrete mix?

First multiply the wet volume by 1.54 to get the dry (loose) volume, then apply the sand‑to‑total ratio to that dry volume.

How should I input the cement, sand, and gravel ratios?

Enter the parts for each component (e.g., 1:2:3) and the calculator will proportion the dry volume accordingly.

Why does the calculator use a factor of 1.54 for wet to dry volume?

Concrete expands when mixed; 1.54 is the standard conversion that turns wet volume into the loose dry volume needed for material estimates.

Can I use the calculator for different mix designs?

Yes, just change the cement, sand, and gravel ratios to match the specific mix you are using.

Does the calculator include waste or compaction adjustments?

It gives the theoretical sand volume; add an extra 5‑10% to cover waste, spillage, and compaction.