Every professional concrete mix design calculator you need — IS 10262:2019 compliant tools for all grades M10–M60, every structural application, and every stage of the design process
| MSA \ Slump → | 25 mm | 50 mm | 75 mm ★ | 100 mm | 125 mm | 150 mm |
|---|---|---|---|---|---|---|
| 10 mm | 208 | 212 | 220 | 228 | 234 | 242 |
| 20 mm ★ | 175 | 180 | 186 ★ | 194 | 200 | 208 |
| 40 mm | 159 | 163 | 168 | 175 | 180 | 188 |
| Exposure | Min Grade | Max w/c | Min Cement (kg/m³) | Min Cover — Slab (mm) | Recommended Cement |
|---|---|---|---|---|---|
| Mild | M20 | 0.55 | 300 | 20 | OPC 43 or 53 |
| Moderate | M25 | 0.50 | 300 | 30 | OPC 53 |
| Severe | M30 | 0.45 | 320 | 45 | OPC 53 |
| Very Severe | M35 | 0.45 | 340 | 50 | OPC 53 or PSC/PPC |
| Extreme | M40 | 0.40 | 360 | 75 | PSC or OPC 53 + GGBS |