Free US Sand Calculator

Sand Calculator — Cubic Yards, Tons & Bags for Paver Base, Playgrounds, Pools & Fill

7 sand types with accurate densities, moisture toggle (dry/damp/wet), ICPI paver compaction factor, CPSC playground depth, pickup truck load planning, and retail bag count breakdown. Covers play sand, concrete sand, pool filter sand, masonry sand, and more.

Your Sand Project Details

Step 1 — Project Type
CPSC: 9 in minimum under equipment up to 8 ft high. Use washed play sand only.
Step 2 — Sand Type
Fine washed round-grain sand. CPSC-approved for sandboxes and playgrounds. Clean and sifted. Density: 1.44 t/yd³ (dry).
Step 3 — Moisture Condition
Bagged play sand. Dry bulk delivery.
Step 4 — Depth & Overage
9 in
10%
Step 5 — Add-Ons
Step 6 — Area Dimensions
1 Area 1
ft
ft
Subtract Obstacles
Step 7 — Bulk Price Per Ton
$ per ton

Your Results

Choose your project type, sand variety, and moisture condition, then enter your dimensions and click Calculate Sand to see tons, cubic yards, bag counts, and truck load planning.

How to Calculate Sand for Any US Landscaping or Construction Project

Sand is one of those materials that looks simple until you’re standing in front of a landscape supplier trying to explain your project over the phone. “How many tons of play sand do I need for a 10×14 foot sandbox at 9 inches deep?” Most people guess. They either end up with three bags left over and a half-finished project, or they pay for a second delivery because they came up short. This calculator does the math properly — factoring in sand type density, moisture weight, compaction loss for pavers, and the real-world difference between a 50-lb bag from Home Depot and a bulk ton delivered by truck.

The single most common sand calculation mistake: using generic “1.3 tons per cubic yard” for every sand type. Play sand (1.44 t/yd³), pool filter sand (1.35 t/yd³), and concrete sand (1.55 t/yd³) are meaningfully different. Get the density wrong and your bag count is off by 15–20%, which means extra trips to the store or wasted material on the job site.

Sand Types, Densities, and What Each Is Actually For

Sand TypeDensity (dry)Best Use50-lb Bag Volume
Play Sand (Washed)1.44 tons/yd³Sandboxes, playgrounds, children’s areas~0.55 cu ft
Masonry Sand1.50 tons/yd³Mortar, stucco, concrete block, brick laying~0.53 cu ft
Concrete Sand (ASTM C33)1.55 tons/yd³Structural concrete, poured foundations~0.51 cu ft
Fill Sand1.52 tons/yd³Subgrade fill, utility backfill, general grading~0.52 cu ft
Paver Bedding Sand1.45 tons/yd³ICPI paver base, jointing between pavers~0.55 cu ft
Pool Filter Sand (#20)1.35 tons/yd³Sand filter media, above-ground pool liner base~0.59 cu ft
River / Natural Sand1.48 tons/yd³Horse arenas, beach fill, decorative landscaping~0.54 cu ft

Why Moisture Matters More Than You Think

Sand weighs significantly more when wet. Dry play sand at 1.44 tons per cubic yard becomes damp delivery sand at about 1.66 tons per cubic yard — a 15% difference on the scale at the quarry. Wet, rain-soaked sand can hit 1.80 tons per cubic yard. If you order 2 cubic yards of “dry” play sand and your supplier loads damp sand, the scale ticket will show 3.32 tons instead of 2.88 tons. This is why bulk sand is almost always purchased by the ton, not by the yard — and why our calculator shows you the weight range across moisture conditions. For small retail bags, you’re buying by weight already, so moisture is pre-controlled.

Application-Specific Depth Standards — What the Industry Actually Recommends

Paver Base Sand — ICPI Tech Spec 2

The Interlocking Concrete Pavement Institute (ICPI) Tech Spec 2 specifies a 1-inch screeded bedding layer of coarse, clean sand (not fine play sand) between the compacted gravel base and the paver surface. The 25% compaction factor our calculator adds is real: when you screed a 1-inch layer of loose sand and then compact the pavers into it, you lose approximately 20–25% of volume to settlement. Most homeowners who skip this factor end up short by one or two bags on a standard patio — enough to leave an awkward edge that shifts the entire paver alignment. Never use fine play sand or masonry sand as paver bedding — it squishes out under load and causes joint failure.

Do NOT use play sand for paver base. Fine-grained play sand does not drain well, compacts unevenly, and migrates out from under pavers when wet. Per ICPI guidelines, paver bedding sand must be coarse and well-graded (ASTM C33 or equivalent). Polymeric jointing sand for the gaps between pavers is a different product entirely — it is not included in this volume calculation.

Playground and Sandbox Sand — CPSC Guidelines

The US Consumer Product Safety Commission (CPSC) Handbook for Public Playground Safety establishes minimum depths of loose-fill surfacing based on the critical fall height of equipment. For equipment with a fall height up to 8 feet — which covers most residential playsets — the minimum sand depth is 9 inches. This depth must be maintained over time; sand compacts and spreads, so plan to add 1–2 inches annually as a top-up. Only washed, rounded play sand should be used in children’s areas — silica content in unprocessed sand can pose respiratory concerns, and angular concrete or fill sand can cause abrasions.

Above-Ground Pool Base — Industry Standard

Pool filter sand (#20 silica grade) is the standard material for leveling the ground under above-ground pool liners. The typical depth is 2–3 inches of smooth, leveled sand. The goal is not structural support — it is surface protection. Pebbles, roots, or any protrusion through the liner will eventually puncture it. Pool filter sand (#20 grade) is preferred because its precisely controlled grain size creates a smooth, dense surface without voids. Some installers use masonry sand, which also works well. Never use fill sand or angular concrete sand under a pool liner.

Three Real US Sand Projects, Calculated

Example 1: Dallas, Texas — 10×14 ft Backyard Sandbox, Play Sand

North Texas, residential backyard, CPSC 9-inch depth, washed play sand

The Garcias are building a framed sandbox for their two kids. The frame is 10 × 14 ft. Per CPSC recommendations for equipment up to 8 ft high, they need 9 inches of washed play sand. Landscape fabric on the bottom. Local Home Depot play sand is $5.98 per 50 lb bag. Bulk delivery: $48/ton.

Calculation StepValue
Area (10 × 14 ft)140 sq ft
Volume (9 in depth)140 × 9 ÷ 12 ÷ 27 = 3.89 yd³
Add 10% waste3.89 × 1.10 = 4.27 yd³
Weight (dry, 1.44 t/yd³)4.27 × 1.44 = 6.15 tons = 12,300 lbs
Retail bags (50 lb)12,300 ÷ 50 = 246 bags × $5.98 = $1,471
Bulk delivery (6.15 tons × $48)$295 delivered
Landscape fabric (10% overlap)154 sq ft → 2 rolls (3’×50′)
✅ Bulk delivery saves the Garcias $1,176 vs. retail bags. Even with a $75 delivery fee, bulk wins by over $1,100. Only projects under ~0.5 yards (roughly 25 bags) are cost-competitive with retail bags. Truck loads needed: 12,300 lbs ÷ 1,500 lb half-ton payload = 9 trips (use bulk delivery!).

Example 2: Charlotte, NC — 20×16 ft Paver Patio Bedding Layer, Paver Sand

Piedmont region, backyard patio, ICPI 1 in bedding layer, 25% compaction factor

Mark is installing a 20 × 16 ft paver patio. The compacted crusher run base is done. Now he needs the 1-inch screeded paver bedding sand layer per ICPI Tech Spec 2. Paver sand: $42/ton delivered. Bulk delivery damp (typical).

Calculation StepValue
Area (20 × 16)320 sq ft
Volume (1 in nominal)320 × 1 ÷ 12 ÷ 27 = 0.988 yd³
ICPI compaction factor (×1.25)0.988 × 1.25 = 1.23 yd³
Add 10% waste1.23 × 1.10 = 1.36 yd³
Weight (damp delivery, 1.45 × 1.15)1.36 × 1.67 = 2.27 tons
Cost (2.27 × $42)$95.34
✅ Mark orders 2.5 tons (rounding up to nearest half-ton) for $105. This is a classic case where skipping the ICPI compaction factor would mean ordering only 1.0 yd³ instead of 1.36 yd³ — a 36% shortfall that leaves him running back to the supplier mid-project while his compacted base sits open to weather.

Example 3: Phoenix, Arizona — 18×34 ft Above-Ground Pool, Pool Filter Sand

Sonoran Desert, residential yard, 3-inch sand base under pool liner, #20 silica sand

Sandra and her husband are installing an 18 × 34 ft oval above-ground pool. They need a smooth 3-inch sand base. Their supplier sells #20 pool filter sand for $38/ton dry. Bags at Home Depot: $9.98 per 50 lb bag.

Calculation StepValue
Pool footprint (18 × 34 oval, approximate rect)612 sq ft
Volume (3 in depth)612 × 3 ÷ 12 ÷ 27 = 5.67 yd³
Add 10% for leveling and edges5.67 × 1.10 = 6.23 yd³
Weight (#20 silica, 1.35 t/yd³, dry)6.23 × 1.35 = 8.41 tons = 16,820 lbs
Retail bags (50 lb at $9.98)337 bags × $9.98 = $3,363
Bulk delivery (8.41 × $38)$320 delivered
✅ Pool filter sand is significantly lighter than other sand types (1.35 vs 1.55 t/yd³) because of its precision-sorted, uniform grain size — important for filter performance but often miscalculated by contractors using generic density values. Bulk saves Sandra over $3,000. Spread the sand, level it with a screed board, then fill the pool slowly so the weight helps settle the sand evenly before the liner is fully inflated.

Three Expert Tips for Ordering and Installing Sand

1

Order Bulk Sand by the Ton, Not by the Yard — for Any Large Project

Sand weight varies significantly by moisture. When a quarry loads a dump truck, they weigh it on a scale — and you pay by that weight. If you ordered “2 yards” of sand and they loaded damp material, you might actually get 1.75 yards of volume (because damp sand is denser and packs more per ton). Ordering by the ton eliminates this ambiguity. Tell the supplier your square footage and depth, and ask them how many tons they recommend — good suppliers will factor in moisture and compaction from experience. For projects under about 0.5 cubic yards (roughly 12–15 cubic feet), retail bags from a big-box store are actually more convenient and cost-competitive once delivery fees are factored in.

2

Don’t Overload Your Pickup Truck — Sand Is Extremely Heavy

A standard half-ton pickup truck (F-150, Silverado 1500, RAM 1500) has a typical payload capacity of 1,000–1,700 lbs depending on trim and configuration. One cubic yard of dry sand weighs approximately 2,880 lbs — nearly twice the safe payload limit. Overloading stresses the suspension, transmission, and tires, reduces braking performance, and creates a real road safety hazard. Even half a yard of sand (about 1,440 lbs) pushes most half-tons to their limit. Check your door jamb sticker for the actual payload rating. For anything over half a yard, use bulk delivery. Your back, your truck, and the drivers behind you will appreciate it.

3

Use the Right Sand Grade — the Wrong One Will Fail the Application

Play sand, concrete sand, masonry sand, and pool filter sand are not interchangeable — they have different grain shapes, sizes, and grading specs that directly affect performance. Fine play sand holds moisture and will crust between pavers, causing shifting and weed growth. Coarse concrete sand in a sandbox creates rough surfaces that abrade skin. Pool filter sand in a concrete mix produces weak concrete because its uniform round grains reduce bond strength. When in doubt, ask your supplier for the ASTM classification of what they’re selling — ASTM C33 for concrete, ASTM C144 for masonry, and NSF/ANSI 50 certified #20 silica for pool filter media. A $3 per ton difference between grades is nothing compared to re-doing a failed installation.

Frequently Asked Questions About Sand Calculations

How much does a cubic yard of sand weigh?+
A cubic yard of dry sand weighs 2,700–3,100 lbs (1.35–1.55 tons) depending on the sand type. Play sand: ~2,880 lbs. Concrete sand: ~3,100 lbs. Pool filter sand: ~2,700 lbs. Damp sand (typical bulk delivery) is 15% heavier than dry. Wet, rain-soaked sand can weigh up to 25% more than dry. This wide range is why using the correct sand type in your calculation matters — a “generic 1.3 tons per yard” estimate can be off by 20% or more.
How many bags of sand per cubic yard?+
Using 50 lb bags of play sand (0.55 cu ft per bag): 1 cubic yard = 27 cubic feet ÷ 0.55 cu ft/bag = approximately 49 bags. For concrete sand (denser, ~0.51 cu ft per bag): about 53 bags per yard. For pool filter sand (lighter, ~0.59 cu ft per bag): about 46 bags per yard. As a quick rule, plan on 45–55 bags of 50 lb sand per cubic yard depending on the grade. Bulk delivery is almost always cheaper per pound for projects needing more than 10–15 bags.
How much sand for a paver patio?+
Per ICPI Tech Spec 2, you need a 1-inch screeded bedding layer of coarse, well-graded sand (ASTM C33 or equivalent) under your pavers — NOT play sand or fine masonry sand. Add 25% to the calculated volume for compaction loss, plus 10% waste. For a 200 sq ft patio at 1 inch: 200 × 1 ÷ 12 ÷ 27 × 1.25 × 1.10 = 0.85 yd³ ≈ 1.23 tons of paver sand. You will also need polymeric jointing sand for the gaps between pavers, which is a separate product — roughly 50 lbs per 100 sq ft for standard paver sizes.
How much play sand for a sandbox?+
The CPSC recommends a minimum of 9 inches of loose-fill sand for playground equipment with a critical fall height up to 8 feet. For a standard 8×8 ft sandbox: 8 × 8 × 9 ÷ 12 ÷ 27 × 1.10 = 1.76 yd³ ≈ 2.53 tons ≈ 101 bags of 50 lb sand. For a 4×4 ft sandbox at 6 inches: 4 × 4 × 6 ÷ 12 ÷ 27 × 1.10 = 0.33 yd³ ≈ 0.47 tons ≈ 19 bags. Always use washed, rounded play sand — not construction or fill sand — in children’s areas.
How many tons of sand per cubic yard?+
It depends on sand type and moisture. Dry: Play sand 1.44 t/yd³ | Masonry 1.50 | Concrete (ASTM C33) 1.55 | Fill sand 1.52 | Paver sand 1.45 | Pool filter 1.35 | River sand 1.48. Damp (typical bulk delivery): multiply by ~1.15. Wet: multiply by ~1.25. Many online calculators use a single value of 1.30–1.35 tons per yard for all sand types, which significantly underestimates the weight of dense concrete sand and overestimates the weight of pool filter sand.
How much sand for an above-ground pool?+
The standard is 2–3 inches of leveled #20 pool filter sand under the pool liner. For an 18-foot round pool (area = π × 9² = 254 sq ft) at 2 inches: 254 × 2 ÷ 12 ÷ 27 × 1.10 = 1.71 yd³ ≈ 2.31 tons. At 3 inches: 2.57 yd³ ≈ 3.47 tons. Important: pool filter sand (#20 grade) has a lower density (1.35 t/yd³) than generic sand — using the wrong density means ordering 15% too much and wasting money. Always use #20 silica for pool liner bases — its uniform round grains create a smooth, stable surface without sharp edges.
How much does bulk sand cost per ton in the US?+
US 2024–2025 bulk delivered pricing: Play sand: $35–$55/ton. Masonry sand: $30–$50/ton. Concrete sand (ASTM C33): $28–$45/ton. Fill sand: $20–$38/ton. Paver sand: $32–$52/ton. Pool filter sand (#20): $38–$65/ton (higher due to precise grading). River sand: $30–$48/ton. Delivery adds $50–$150 per load. Retail 50 lb bags cost $4.50–$10 each — equivalent to $180–$400 per ton — making bulk delivery far cheaper for anything over 0.5 cubic yards. Prices vary significantly by region; the Southeast and Southwest typically have lower prices than the Northeast and Pacific Northwest.
What is the difference between play sand, masonry sand, and concrete sand?+
Play sand is finely washed, rounded grain sand specifically processed to be safe for children — sifted to remove large particles and washed to reduce clay and silt content. Masonry sand (ASTM C144) is fine-grained and well-graded for mortar and stucco applications — it bonds well with Portland cement but is too fine for structural concrete. Concrete sand (ASTM C33) is coarser and angular — the irregular grain shapes create mechanical interlocking that gives concrete its structural strength. Never substitute play sand for concrete or masonry sand in construction applications — the fine, round grains produce weak mortar and concrete with poor workability.
How much sand for lawn leveling?+
Lawn leveling uses a very thin topdressing of 1/4 to 1/2 inch of fine masonry sand to fill low spots without smothering the grass. For 1,000 sq ft at 1/4 inch: 1,000 × 0.25 ÷ 12 ÷ 27 × 1.10 = 0.85 yd³ ≈ 1.27 tons. At 1/2 inch: 1.70 yd³ ≈ 2.55 tons. Spread with a drag mat or the back of a metal rake, working it into the turf. Important: do not put more than 1/2 inch of sand over actively growing grass in a single application — you’ll smother it. For spots deeper than 1 inch, remove the turf, add soil to grade, repack, and re-sod or re-seed.
How many cubic yards of sand in a dump truck?+
A standard tandem-axle dump truck carries approximately 10–14 cubic yards (14–20 tons) of sand per load. A tri-axle truck carries 14–18 cubic yards. A super-dump can carry up to 20 cubic yards. Most landscape supply deliveries to residential addresses use smaller trucks: a single-axle truck carries 5–7 yards, and a small landscaping truck or trailer carries 2–4 yards. When ordering, ask how many yards they can deliver in one trip — some suppliers charge per ton and some per delivery load, so understanding truck capacity helps you plan whether to combine materials in one delivery.
How much sand is in a 50-pound bag?+
A 50 lb bag of play sand contains approximately 0.55 cubic feet. A 50 lb bag of concrete or masonry sand is denser, containing about 0.50–0.52 cubic feet. A 50 lb bag of pool filter sand (lighter due to uniform grain size) holds about 0.59 cubic feet. To calculate bags needed: divide your total cubic feet requirement by the cubic feet per bag. Example: 15 cu ft of play sand ÷ 0.55 cu ft/bag = 28 bags. Round up — always buy one extra bag to avoid running short at the finish stage.
Can I use regular sand for a volleyball court?+
For a regulation beach volleyball court, FIVB and AVP specifications require a minimum of 18 inches of fine, natural sand depth on a 9×18 meter (approximately 29×59 ft) court. The sand should be rounded, well-graded, and free of clay, silt, and organic matter. River sand or natural beach sand works well. Play sand can work but tends to be too fine and can be slippery. Construction sand, fill sand, and angular concrete sand are not suitable — they compact hard, feel harsh underfoot, and can cause abrasion injuries. At 18 inches depth on a standard recreational court (~1,600 sq ft), you’ll need approximately 88 yd³ and 130+ tons — a significant project requiring proper base preparation and site drainage.
Is wet sand heavier than dry sand?+
Yes, significantly. Dry sand: 2,700–3,100 lbs per cubic yard depending on grade. Damp sand (typical bulk delivery): 3,100–3,500 lbs per yard (~15% heavier). Saturated/wet sand: 3,400–3,850 lbs per yard (~25% heavier). Interestingly, slightly damp sand is actually DENSER than fully saturated sand — water in the small voids between grains at partial saturation creates surface tension that packs grains together. Fully saturated sand has water filling all pore space, adding pure water weight. For ordering purposes: if your project will use bags you store dry → use dry density. If buying bulk from a quarry → use damp density and specify ordering by the ton rather than by volume.
How much sand for a horse arena?+
Standard footing depth for a horse arena (dressage, jumping, or barrel racing) is 3–4 inches of sand over a compacted base. The goal is consistent depth — neither too deep (causes tendon strain) nor too shallow (hard and concussive). For a standard 66×132 ft arena at 3 inches: 66 × 132 × 3 ÷ 12 ÷ 27 × 1.10 = 89.2 yd³ ≈ 132 tons of river or natural sand. At 4 inches: 118.9 yd³ ≈ 176 tons. River sand with mixed grain sizes (not uniform #20 silica) is preferred because the grain variation provides better cushion and traction. Mason sand is too fine and compacts too readily. Budget $5,000–$10,000 for sand alone on a full-size arena, plus base preparation and edging.
How much does a yard of sand cover?+
One cubic yard of sand covers: 324 sq ft at 1 inch deep · 162 sq ft at 2 inches · 108 sq ft at 3 inches · 54 sq ft at 6 inches · 36 sq ft at 9 inches · 27 sq ft at 12 inches. These are raw volume calculations — for paver base, add 25% for compaction (so 1 yard covers 81 sq ft at 1 inch after compaction). For playground sand, 1 yard at 9 inches covers only 32 sq ft net after compaction and spillage. A useful shortcut: (Area in sq ft × depth in inches) ÷ 324 = cubic yards needed, before waste or compaction factors.
What type of sand do I use for a fire pit surround?+
For the surround area around a fire pit, lava rock is actually the preferred ground cover rather than sand — sand can contain trapped moisture that converts to steam and causes popping or sputtering near open flames. However, if you prefer sand as a decorative or cleanup surface around (not inside) a fire pit, use coarse construction sand or decomposed granite rather than fine play sand, which is lightweight and blows easily. Inside the fire bowl itself, lava rock or ceramic fire glass is appropriate for gas fire features. For wood-burning fire pits, the floor of the pit should be gravel or bare compacted earth to allow drainage — not sand, which can compact into a dense layer that traps water.

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Legal Disclaimer & Editorial Transparency

The Sand Calculator on USCalculators.com is provided free of charge for planning and estimation purposes only. Volume, weight, bag count, and cost figures are mathematical estimates based on your inputs and published industry density values. Actual material requirements will vary based on site conditions, moisture variation in delivered material, measurement accuracy, and compaction characteristics of specific sand grades from your supplier.

Depth recommendations reference CPSC Handbook for Public Playground Safety and ICPI Tech Spec 2 guidelines. Sand density values reflect US industry standard averages — confirm bulk density and moisture content with your specific supplier before placing a final order. Pool filter sand application guidelines reflect general industry practice; consult your pool manufacturer’s installation instructions for product-specific recommendations. Pickup truck payload capacities are estimates — check your vehicle’s door jamb sticker for the actual certified payload rating. USCalculators.com is not affiliated with any sand supplier, contractor, or government agency.