Concrete Mix Design Calculator

Concrete Mix Design is a fast, practical concrete mix calculator for civil engineers, technicians, and
students. Generate accurate concrete dosage calculations using the Dreux-Gorisse method.

Enter your project requirements and get instant results for cement, water, sand, gravel, and water/cement
ratio (w/c).

KEY FEATURES

- Concrete mix design using Dreux-Gorisse method
- Concrete class selection: B20, B25, B30, B35, B40
- Slump class: S1, S2, S3, S4
- Exposure class for durability requirements
- Maximum aggregate size (Dmax): 8, 16, 25, 31.5 mm
- Cement strength class: 32.5, 42.5, 52.5 MPa

VOLUME SCALING

- Scale mix quantities for 0.5, 1, 2, or 5 m3
- Enter any custom concrete volume
- Quantities update instantly

SAVE & REUSE

- Save concrete mix designs locally on your device
- Reuse saved mixes as templates for new projects
- Copy mix results with one tap
- English and French language support

PRACTICAL & LIGHTWEIGHT

- No account or sign-up required
- Works fully offline
- Data stored locally only
- Clean, distraction-free interface

IMPORTANT NOTE
Results are preliminary concrete mix designs. Trial batches and laboratory testing are required before use
on site.

WHO IS THIS FOR?
Civil engineers, construction technicians, concrete laboratory staff, building contractors, and engineering
students.

Concrete Mix Design: fast, reliable concrete dosage calculation for the field and the office.