Sand Calculator
Area Dimensions
Material & Cost
Volume Needed
18.1 cubic feet
Estimated Weight
0.91 Tons
Total Cost
$33.50
If Buying in Bags (0.5 cu ft)
Accurately estimate the amount of sand required for any project, from sandbox refills to patio base layers. Our Sand Calculator provides precise measurements in cubic yards, tons, and bags, while accounting for project waste and sand density.
Pro Tip: Sand is often sold by the "scoop" or yard. For small DIY projects, standard 50lb bags usually contain about 0.5 cubic feet. This tool helps you decide if bulk delivery is cheaper than buying individual bags.
- Calculates bulk volume and bag counts
- Adjustable density for wet or dry sand
- Includes 10% default waste allowance
How to Calculate Sand Volume
Calculating the amount of sand you need follows a basic geometric volume formula, with a few adjustments for construction standards. Whether you're filling a rectangular area like a sandbox or a trench, the math remains consistent.
Volume (Cubic Feet) = Length (ft) × Width (ft) × Depth (ft)
To convert inches to feet for depth: Depth in Inches ÷ 12
To convert cubic feet to yards: Cubic Feet ÷ 27
Most landscaping suppliers sell sand by the cubic yard. To ensure you don't run short due to settling, compacting, or spillage, we recommend adding a 10% waste factor to your final calculation.
Sand Weight and Density
One of the most confusing aspects of buying sand is the weight. Because sand is porous, its weight changes significantly based on how much moisture it holds.
- Dry Loose Sand: Roughly 90-100 lbs per cubic foot (2,400-2,700 lbs per cubic yard).
- Wet Sand: Can weigh up to 120-130 lbs per cubic foot (3,200+ lbs per cubic yard).
- Masonry Sand: Typically fine-screened and slightly denser when packed, averaging 2,800 lbs per yard.
If you are transporting the sand yourself, pay close attention to your vehicle's payload capacity. A small pickup truck can usually handle about 0.5 to 1 yard of dry sand, while wet sand may exceed the weight limit even at half a yard.
Bulk vs. Bagged Sand: Which is Better?
Deciding between bulk delivery and individual bags depends on the project size and your logistics.
Bulk Sand
- • Significantly cheaper per unit ($30-$60 per yard)
- • Requires delivery fee ($50-$150)
- • Creates a mess on driveway
- • Best for projects > 1 cubic yard
Bagged Sand
- • More expensive ($5-$8 per 0.5 cu ft bag)
- • No delivery fee (haul it yourself)
- • Cleaner and easier to move
- • Best for small patches or play areas
Frequently Asked Questions
How much sand is in a 50lb bag?
Most 50lb bags of sand found at hardware stores like Home Depot or Lowe's contain approximately 0.5 cubic feet of sand. It takes 54 of these bags to equal one cubic yard.
Does sand compact after installation?
Yes, sand can compact by 5% to 15% depending on how it's installed and the moisture level. When using sand for a patio base, you should always over-order slightly to account for mechanical compaction.
What is the best sand for a paver base?
Concrete sand (also called bedding sand) is typically used as a 1-inch layer over a crushed stone base for pavers. It has sharp edges that help the pavers lock into place better than rounded play sand.