Calculate exact cement requirements for concrete, mortar, plaster, and other construction applications
• Cement: 1 part
• Sand: 3 parts
• Aggregate: 6 parts
~ 4.5 bags per m³
• Cement: 1 part
• Sand: 2 parts
• Aggregate: 4 parts
~ 6 bags per m³
• Cement: 1 part
• Sand: 4-6 parts
• No aggregate
~ 1.25 bags per m³
• Cement: 1 part
• Sand: 4-6 parts
• Fine sand only
~ 1.5 bags per m³
| Cement Type | Strength | Setting Time | Best For | Price Range |
|---|---|---|---|---|
| OPC 33 Grade | 33 MPa | 30 min initial | Plastering, masonry | $6-$8/bag |
| OPC 43 Grade | 43 MPa | 30 min initial | General construction | $7-$9/bag |
| OPC 53 Grade | 53 MPa | 30 min initial | High-strength concrete | $8-$10/bag |
| PPC | 33 MPa | 60 min initial | Marine works, mass concrete | $7-$9/bag |
| Rapid Hardening | High early | 15 min initial | Cold weather, repairs | $10-$12/bag |
Our free Cement Quantity Calculator helps contractors, builders, and DIY enthusiasts accurately estimate cement requirements for various construction applications. Whether you're working on concrete foundations, brick mortar, wall plaster, or floor screeding, this tool provides precise calculations to optimize material planning and reduce waste.
Calculate cement bags needed, determine concrete mix ratios, estimate material costs, and ensure project efficiency with our comprehensive construction material calculator.
Calculate cement for concrete slabs, footings, columns, brickwork mortar, wall plaster, floor screed, and various construction applications with appropriate mix ratios.
Access pre-defined standard mix ratios (1:2:4, 1:1.5:3, 1:3:6 for concrete; 1:4, 1:6 for mortar) or create custom ratios for specialized requirements.
Get results in standard cement bag quantities (50kg, 40kg, or 25kg bags) for easy purchasing and material planning at construction supply stores.
Include realistic waste percentages (5-10%) for spillage, uneven surfaces, and construction errors to ensure you have sufficient materials.
Used by contractors, civil engineers, construction managers, and DIY builders worldwide. No registration required - start calculating your cement needs instantly!
Common concrete mix ratios are: 1:2:4 (general purpose), 1:1.5:3 (reinforced concrete), 1:3:6 (foundations). The ratio represents cement:sand:aggregate by volume. Always follow structural engineer specifications for load-bearing elements.
Coverage depends on application and thickness. For plaster (12mm thick), one 50kg cement bag covers approximately 8-10 sq meters. For concrete (100mm thick), it covers about 0.5-0.7 sq meters. Our calculator provides precise coverage based on your specific project.
Yes, always purchase 5-10% extra cement to account for waste, spillage, uneven surfaces, and calculation errors. Having extra prevents project delays and ensures consistent material quality throughout your construction.
Cement is the binding powder that hardens when mixed with water. Concrete is the finished material made by mixing cement with sand, aggregate, and water. Cement is an ingredient, while concrete is the final construction material.