Paver Calculator

Pavers = area × 144 ÷ the face of one paver in square inches, plus extra: a 16 × 12 ft patio in 4 × 8 in pavers is 192 sq ft × 4.5, or 908 pavers with 5% extra.

Your measurements

Example

Use the unit shown for each box, or type another one: 12 ft 6 in, 150 in, 3.8 m and 600 mm all work, as do the marks on a tape measure.

Area 1

Shape Length (ft) Width (ft) Name

Paver length Measure one paver, or read its size on the pallet tag. A standard brick paver is 4 × 8 inches. Paver width Extra for cuts and breakage (%)

Details Base, sand, weights and your prices

Crushed stone base, compacted Often 4 inches under a patio or walkway and 6 or more under a driveway. Bedding sand Weight of a cubic yard of base stone (tons) Weight of a cubic yard of sand (tons) Sand bag size (cu ft) Your price per paver ($) Your price per ton of base stone ($) Your price per bag of sand ($)

Example: replace these measurements

Your material list

908 pavers, 4 × 8 in+ 3 more items on the list

192 sq ft measured

Your measured layout

Patio: pavers in a running bond on a screeded sand bed over the compacted stone base. Shown for the first area; the list counts every area.

Your shopping list

908 pavers, 4 × 8 in
3.65 tons of crushed stone base (2.61 cu yd)
34 bags of bedding sand, 0.5 cu ft each
56 ft of paver edging

Quantities and package details

Patio: 192 sq ft
Paved area: 192 sq ft
Pavers per square foot: 4.5
Pavers with your extra: 908
Crushed stone base to order: 2.61 cu yd (3.65 tons)
Bedding sand, bags of 0.5 cu ft: 34
Edging, full perimeter: 56 ft

The calculation

Patio: 16 × 12 = 192 sq ft
144 ÷ (8 × 4) = 4.5 pavers a square foot
192 × 4.5 × (1 + 5/100) = 907.2, rounded up to 908 pavers
Base: 192 sq ft × 4 in ÷ 12 ÷ 27 × 1.1 for compaction = 2.61 cu yd × 1.4 = 3.65 tons
Sand: 192 sq ft × 1 in ÷ 12 ÷ 27 × (1 + 5/100) = 0.62 cu yd, or 34 bags of 0.5 cu ft

Not measured yet? Common jobs

A rough starting point, worked out with this calculator. 4 × 8 inch pavers with 5% extra, a 4-inch compacted stone base and 1 inch of sand. Use a row to load its size into the calculator, then change it to your measurements.

Pavers, base and sand for common jobs
Job	Size	Pavers	Base stone	Bedding sand
Walkway	3 × 30 ft	426	1.71 tons	16 bags
Small patio	10 × 10 ft	473	1.9 tons	18 bags
Patio	12 × 16 ft	908	3.65 tons	34 bags
Large patio	16 × 20 ft	1,512	6.08 tons	56 bags
Round fire-pit patio	12 ft across	535	2.15 tons	20 bags

Common questions

How many pavers do I need?

Divide 144 by the face of one paver in square inches to get pavers per square foot, then multiply by the area and add extra for cuts. With 4 × 8 inch pavers that is 4.5 a square foot: a 12 × 16 ft patio takes 864, or 908 with 5% extra.

How much base and sand go under pavers?

Usually 4 inches of compacted crushed stone under a patio or walkway, 6 or more under a driveway, then about 1 inch of screeded sand. For a 12 × 16 ft patio that is about 2.6 cubic yards of stone with 10% for compaction and 0.6 cubic yards of sand.

How much extra should I order?

About 5% for a straight pattern with few cuts, 10% for herringbone or curved edges and up to 15% for circles. Keep a few spare pavers from the same batch for repairs.

How to plan the quantity

Pavers per square foot is 144 divided by the face of one paver in square inches: a 4 × 8 inch paver gives 4.5 a square foot. Multiply by the area and add extra for the cuts at the edges.

A paver patio is built in layers: compacted crushed stone, about 1 inch of screeded sand, then the pavers. The base gets 10% extra for compaction; the sand and pavers get your extra.

Edging holds the pavers in along every edge that has no wall or curb. The perimeter shown is its full length; take off the edges that run along the house or a step.

Before you order

Joint sand between the pavers is a separate product; its coverage per bag is on the bag and depends on the joint width.
Pavers that come in mixed sizes are sold by the square foot of a full pattern. Use the area and the maker’s figure for those.