Paver Sand
Calculate paver sand volume, weight, and cost for patios and driveways. Enter dimensions, depth, density, and waste for instant material estimates with charts.
About This Calculator
Our Paver Sand Calculator helps homeowners, landscapers, and contractors estimate the exact amount of sand required for paver installations on patios, walkways, driveways, and other paved surfaces. Getting the sand quantity right is critical for a stable, long-lasting paver surface — too little sand means an uneven base, while too much wastes money and materials.
The calculator computes sand volume using the formula: Volume = Length × Width × Depth. It then calculates weight by multiplying volume by sand density (typically 1,600 kg/m³ or 100 lb/ft³ for standard masonry sand). A waste factor of 5-10% is recommended to account for spillage, compaction loss, and uneven ground. The optional price field provides total material cost estimates.
For the sand bed directly under pavers, a depth of 25mm (1 inch) is standard for pedestrian areas like patios and walkways. For driveways that will support vehicle traffic, increase the sand depth to 50mm (2 inches). The sand should be spread evenly over a compacted gravel base and screeded flat before laying pavers.
Regional Notes
India: Paver sand is typically sold by the cubic foot or tonne. Common available bag sizes are 25-50 kg. For large projects, sand is ordered by the truckload (approximately 4-5 cubic metres). Sharp/grit sand is commonly available at building material suppliers across India.
US: Paver sand is sold in 50 lb bags or by the cubic yard. A cubic yard of sand weighs approximately 2,700 lb. Polymeric sand is widely available at home improvement stores like Home Depot and Lowe's for joint filling.
UK: Sand is typically sold in 25 kg bags (builders' merchants) or by the bulk bag (approximately 850 kg or 0.5 m³). Sharp sand for paving is readily available at builders' merchants like Travis Perkins and Jewson.
Frequently Asked Questions
How do you calculate paver sand needed?
Calculate the patio area by multiplying length by width, then multiply by the sand bed depth to get volume. For a 5m x 4m patio with 25mm sand depth: area = 20m², volume = 20 x 0.025 = 0.5m³ of sand. Add 5-10% waste and multiply by sand density (typically 1600 kg/m³) to get weight.
What depth of sand is needed under pavers?
The standard sand bed depth for pavers is 25mm (1 inch) for most residential patios and walkways. For driveways subject to vehicle loads, a 50mm (2 inch) sand bed is recommended. The sand provides a leveling bed and helps distribute loads evenly across the base material.
What type of sand is best for paver installation?
Sharp or concrete sand (coarse sand with angular particles) is best for the sand bed under pavers as it compacts well and provides good drainage. Polymeric sand is recommended for filling paver joints as it hardens when activated with water, locks pavers in place, and prevents weed growth and insect intrusion.
How much does paver sand weigh?
Paver sand typically weighs about 1,600 kg per cubic metre (100 lb per cubic foot). A standard 25kg bag covers approximately 0.015 m³. For a 20m² patio with 25mm sand depth, you would need about 0.5m³ of sand weighing roughly 800kg.
Should I add extra sand for waste?
Yes, always add 5-10% extra sand to account for waste during installation, spillage, and uneven ground. This waste factor ensures you don't run short mid-project. Our calculator includes a waste percentage input so you can get accurate totals including the extra material.
Can paver sand eliminate weed growth?
Polymeric paver sand can significantly reduce weed growth between paver joints. When installed correctly, the polymer binders harden to create a semi-rigid joint that blocks weed seeds from taking root. Regular sand joints will still allow weeds to grow and may require periodic maintenance or herbicide application.
How do I install paver sand correctly?
First, prepare a compacted base of crushed stone. Spread the paver sand evenly to the desired depth using screed rails for a level surface. Compact the sand lightly, then lay pavers on top. After installation, sweep polymeric sand into the joints and activate with water according to manufacturer instructions. Allow 24-48 hours for full curing.
What is the difference between sharp sand and builders sand?
Sharp sand (also called concrete sand) has larger, angular particles that interlock well, making it ideal for the sand bed under pavers. Builders sand (soft sand) has finer, rounded particles and is better for bricklaying mortar. For paver installation, always use sharp or grit sand for the base layer.