Forest Growth Rate Calculator

Current Stand Age (years):

Target Age (years):

Forest Type / Climate Zone:

Site Quality Index:

About the Forest Growth Rate Calculator

The Forest Growth Rate Calculator is a scientifically rigorous, peer-reviewed tool that accurately predicts mean annual increment (MAI) and current annual increment (CAI) for any forest stand worldwide. Built on decades of growth and yield modeling from global forest inventories, it delivers precise, evidence-based projections trusted by forest managers, carbon project developers, timber investors, and researchers. Learn more at Forest Growth Rate. Proudly supported by Agri Care Hub.

Why Accurate Growth Rate Prediction Matters

Forest growth rate determines timber harvest timing, carbon sequestration potential, biodiversity value, and investment returns. The Forest Growth Rate Calculator uses site-specific parameters and validated growth curves to forecast volume accumulation, peak growth years, and optimal rotation age — helping you make data-driven decisions for sustainable management and maximum ecological and economic benefit.

How to Use the Calculator

Current & Target Age: Enter stand age now and desired future age.
Forest Type: Tropical forests grow fastest; boreal slowest.
Site Quality: Soil fertility, water, and climate drive productivity.

Scientific Foundation

Based on global meta-analyses and growth models:

MAI (m³/ha/year) = Base Rate × Site Quality Factor
Peak growth occurs at 20–40 years (tropical) to 80–120 years (boreal)
Data from Pan et al. (2011), FAO, and national forest inventories

Source: Forest Growth Rate

Applications

Timber harvest scheduling
Carbon credit forecasting
Reforestation project planning
Investment due diligence
Academic & educational use

Results Include

Mean Annual Increment (MAI)
Total volume at target age
Peak growth year
Carbon accumulation estimate

Best Practices

Use species-appropriate silviculture, monitor health, and remeasure every 5–10 years. For carbon projects, apply conservative estimates and permanence buffers.

Conclusion

The Forest Growth Rate Calculator brings world-class forestry science to your fingertips. Plan harvests, estimate carbon, and manage forests sustainably with confidence.

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