Tree Spacing Calculator
Orchard density determines upfront tree cost, equipment requirements, years to full production, and long-term yield potential. This calculator uses the standard formula (43,560 square feet per acre divided by row spacing times in-row tree spacing) to compute trees per acre and trees for a given acreage. Enter your planned spacing in feet. The calculator also gives total tree count for a field of user-specified acres, which is useful when ordering nursery stock. Spacing recommendations follow USDA Extension guidelines for commercial orchard systems.
Tree spacing formula
Trees per acre = 43,560 / (Row spacing (ft) x In-row spacing (ft))
Total trees = Trees per acre x Acres
43,560 is the number of square feet in one US acre. Spacing is measured center to center between adjacent trees and rows.
Quick reference: common orchard spacings
- Apple, standard rootstock: 25 x 25 ft = 69 trees/acre.
- Apple, semi-dwarf (M.7): 16 x 16 ft = 170 trees/acre.
- Apple, high-density (M.9): 12 x 3 ft = 1,210 trees/acre.
- Peach, standard: 20 x 18 ft = 121 trees/acre.
- Walnut, standard: 40 x 40 ft = 27 trees/acre.
- Blueberry: 10 x 4 ft = 1,089 plants/acre.
Tree spacing calculator: frequently asked questions
How do I calculate trees per acre?
Divide 43,560 (square feet per acre) by the product of row spacing times in-row tree spacing. For example, rows 20 feet apart with trees 15 feet apart in the row: 43,560 / (20 x 15) = 145.2 trees per acre.
What is the ideal spacing for apple trees?
Standard-size apple trees on seedling rootstock: 25 to 30 feet between rows, 25 feet in-row (58 to 70 trees per acre). Semi-dwarf on M.7 rootstock: 16 to 18 feet x 16 feet (135 to 170 trees per acre). High-density dwarf systems on M.9: 10 to 14 feet x 3 to 4 feet (800 to 1,450 trees per acre). USDA Extension publication AG-414 covers apple orchard establishment.
Does tree spacing affect yield per acre?
Yes. Higher density plantings generally produce more fruit per acre sooner but require more intensive management, trellis systems, and pruning. USDA research shows properly managed high-density apple orchards can yield 30,000 to 60,000 lb per acre vs 10,000 to 20,000 lb for standard plantings.
How much land do I need for a home orchard?
A small backyard orchard of 6 to 8 trees on semi-dwarf rootstock, spaced 12 to 16 feet apart, fits in a 40 x 40 foot (0.04 acre) area. At 12 x 12 spacing that is 303 trees per acre, typical of high-density plantings.
What is the spacing for peach vs. cherry trees?
Peach and nectarine (standard): 18 to 22 ft x 16 to 20 ft (90 to 150 trees per acre). Tart cherry (standard): 20 to 25 ft x 20 ft (87 to 109 trees per acre). Sweet cherry (standard): 20 to 25 ft x 20 to 25 ft (70 to 109 trees per acre). Consult your local Cooperative Extension for rootstock-specific recommendations.
Official sources
- USDA National Institute of Food and Agriculture, orchard systems: nifa.usda.gov.
- USDA Agricultural Research Service, tree fruits: ars.usda.gov.
Reviewed by the CalculatorHub team, edited by James Graham, 15 June 2026. See our methodology.