Enter your Tree Species, Age, DBH, Height, and Number of Trees to calculate how much carbon your trees capture — the Tree Carbon Sequestration Calculator returns Annual CO₂ Absorbed, Lifetime CO₂ Absorbed, and Carbon Stored per tree and total.
Annual CO₂ Absorbed
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Lifetime CO₂ Absorbed
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Carbon Stored
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Total Annual CO₂ (All Trees)
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A mature tree typically absorbs 48 pounds of CO₂ per year, though this varies significantly by species, age, and size. Fast-growing trees like Douglas Fir can absorb more, while slower-growing hardwoods may absorb less but store carbon for longer periods.
The calculator estimates the amount of atmospheric CO₂ a tree removes and converts to biomass (wood, leaves, roots). It calculates both annual absorption rates and total lifetime carbon sequestration based on the tree's current size and expected growth.
The calculation uses established forestry formulas that factor in tree species, diameter at breast height (DBH), height, and age. These measurements help estimate total biomass, which is then converted to CO₂ equivalents using standard carbon conversion factors.
Tree species vary in growth rates, wood density, and mature size. Dense hardwoods like oak store more carbon per unit volume but grow slowly, while fast-growing softwoods like pine absorb CO₂ quickly but may have lower overall density.
Young trees typically absorb CO₂ at increasing rates as they establish and grow rapidly. Middle-aged trees often have peak absorption rates, while very old trees may slow their CO₂ uptake but continue storing the carbon they've already captured.
Yes, enter the number of trees in the quantity field. However, this calculator works best for individual trees or small uniform plantings. Large forests with diverse species and ages require more complex modeling tools.
This calculator provides estimates for educational and planning purposes. Official carbon credit projects require verified methodologies, third-party monitoring, and accounting for factors like soil carbon, mortality rates, and permanence that this tool doesn't include.
No, this calculator focuses only on above-ground biomass (trunk, branches, leaves). Complete forest carbon accounting would also include root biomass, soil organic carbon, and understory vegetation, which can represent 20-50% of total forest carbon storage.