Tree Spacing Calculator
Trees per acre and per hectare for any spacing, metric or imperial, square or triangular — plus how many seedlings to actually order.
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Free Forestry Calculators
Free, no sign-up, works anywhere
Seven calculators we built because we needed them ourselves. They work in metric or imperial, for any species in any country, and nothing is stored or emailed.
Built by Euca Eco Consults, a forestry and environmental consultancy operating since 2014. Planting somewhere specific? See the country guides for eleven African countries.
Timber Volume Calculator
Log volume by Smalian, Huber and Newton, standing-tree volume with form factor, cubic feet and Doyle board feet.
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Land Area Converter
Acres, hectares, square metres, square feet, square kilometres and square miles — all updating together as you type.
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Plantation Yield Calculator
Estimate standing volume at harvest from mean annual increment, rotation age, stocking and survival.
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Carbon Sequestration Estimator
The full chain from cubic metres to tonnes of CO₂e — with an honest account of what the number cannot be used for.
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Forestry Investment Calculator
Costs, revenue, net profit and annualised return for a plantation rotation, using your own figures.
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Seedling Order & Cost Calculator
How many seedlings to actually order after firebreaks and beating up — then clearing, pitting, planting and three years of weeding, in your own currency.
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