Sand Calculator for Concrete
Compute the fine aggregate sand quantity needed for concrete mixing by volume or weight.
Select Sand Type
Choose the right sand for accurate results
The industry standard for concrete mixing
Density: 105 lb/ft³
Strong alternative fine aggregate
Density: 108 lb/ft³
Smoother finish concrete — non-structural only
Density: 100 lb/ft³
Using Concrete Sand — density 105 lb/ft³
Enter Measurements
Fill in all fields to calculate
How to Use
- 1
Enter Slab Length
Unit: ft
- 2
Enter Slab Width
Unit: ft
- 3
Enter Slab Thickness
Unit: in
- 4
Enter Sand Part in Mix
Unit: parts
- 5
Click Calculate
View detailed results instantly
Results are estimates based on standard engineering formulas. Always verify with a professional for large or critical projects.
About the Sand Calculator for Concrete
Sand, or fine aggregate, is a critical component of concrete mix that fills the voids between coarse aggregate particles and improves workability and density. Our concrete sand calculator determines the exact amount of fine aggregate sand required based on your concrete volume and mix design. A standard C20 concrete mix uses a 1:2:4 ratio of cement, sand, and gravel, while a stronger C25 mix uses 1:1.5:3. The correct proportion of sand in concrete prevents cracking, improves strength, and ensures a smooth finish. Whether you are mixing concrete for a foundation, driveway, slab, or column, use this sand for concrete calculator to accurately estimate your fine aggregate requirements before placing your order at the builder merchant.