Tree Spacing Calculator

The Tree Spacing Calculator tells you exactly how many trees fit in a planting area based on your field dimensions and spacing preferences — useful for orchards, woodlots, reforestation projects, or any large-scale tree planting. Enter your field length and field width, then select your spacing between rows, spacing within rows, and spacing pattern (square or rectangular). You'll get the trees per acre, total trees for the field, field size in acres, number of rows, and trees per row.

feet

Length of the field to be planted

feet

Width of the field to be planted

Distance between tree rows

Distance between trees within each row

Choose planting pattern

Results

Trees Per Acre

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Total Trees for Field

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Field Size

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Number of Rows

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Trees Per Row

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Frequently Asked Questions

How do I calculate trees per acre from spacing?

Trees per acre = 43,560 ÷ (spacing between rows × spacing within rows). For example, with 8×8 foot spacing: 43,560 ÷ 64 = 680 trees per acre.

What's the difference between square spacing and rectangular spacing?

Square spacing uses equal distances between rows and within rows (e.g., 8×8 feet). Rectangular spacing uses different distances for rows versus trees within rows (e.g., 10×6 feet).

What spacing should I use for a timber plantation?

Timber plantations typically use 6×6 to 10×10 foot spacing depending on species. Faster-growing species can handle tighter spacing, while slower species need more room.

What spacing works for orchards or fruit and nut trees?

Fruit trees typically need 12×12 to 20×20 foot spacing depending on variety. Dwarf trees can be planted closer (8×8 feet) while standard trees need more space (15×15 or 20×20 feet).

Are hardwood trees spaced farther apart than softwood trees?

Generally yes. Hardwood trees typically need 8×8 to 12×12 foot spacing, while softwoods can often be planted closer at 6×6 to 8×8 feet due to their narrower canopies.

What are the most common spacing mistakes?

Planting too close is the most common mistake. Trees need space for root systems and canopies to develop. It's better to start with wider spacing than to overcrowd and require expensive thinning later.

When is the best time to plant trees?

The best time varies by region, but generally fall or early spring when trees are dormant. This gives roots time to establish before the stress of summer heat or winter cold.

How much space do tree roots need?

Tree roots typically extend 2-3 times wider than the canopy. Proper spacing ensures roots don't compete excessively for water and nutrients, leading to healthier, faster-growing trees.