3. Enter data
4. View results

Compute EC anything from EC 50

This calculator computes EC 80 or EC 90 (etc.) from EC 50. How?

1. Enter EC 50

I will enter:

Value:

2. Enter slope factor (Hill slope)

Slope factor =

(If you don't know, enter '1.0')

3. Choose your desired EC

Calculate the EC

Enter '80' or '90' ... without the quotes.

4. View the results

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