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Photosynthesis Light Saturation Calculator

Net photosynthesis P from a Michaelis-Menten light response.

Compute the net photosynthesis rate P at light intensity I using a Michaelis-Menten light-response curve: P = P_max · I / (K_s + I). Reports the saturation fraction P / P_max.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

µmol/(m²·s)
µmol/(m²·s)
µmol/(m²·s)

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

P = P_max · I / (K_s + I)

In depth

Compute the net photosynthesis rate P at light intensity I using a Michaelis-Menten light-response curve: P = P_max · I / (K_s + I). Reports the saturation fraction P / P_max.