Plant Biology Calculators

Plant biology calculators provide quick and accurate computations for essential physiological and growth measurements. These tools help estimate leaf area index, stomatal conductance, photosynthetic light parameters, and germination rates with ease.

Whether you’re analyzing crop performance, water use efficiency, or biomass accumulation, these calculators support experimental design, field measurements, and data interpretation for research and education.

⚠ Disclaimer: This calculator provides results based on standard formulas and simplified assumptions. It is intended for educational purposes only and should not be used for professional, medical, industrial, or experimental applications without expert verification.

1. Leaf Area Index (LAI)

Leaf Area (m²) Ground Area (m²)

2. Stomatal Conductance

Transpiration Rate (mmol/m²/s) Vapor Pressure Deficit (kPa)

3. PPF Converter

Photon Flux (µmol/s) Area (m²)

4. Chlorophyll Content Index

Absorbance 650 nm Absorbance 940 nm

5. Seed Germination %

Seeds Germinated Total Seeds

6. Water Use Efficiency

Biomass (g) Water Used (L)

7. Transpiration Rate

Water Loss (mg) Leaf Area (cm²)

8. Phyllochron

Time Interval (days) Leaves Appeared

9. Biomass Accumulation Rate

Final Biomass (g) Initial Biomass (g) Time Interval (days)

10. Growing Degree Days

T_max (°C) T_min (°C) Base Temp (°C)