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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:
   EC 50 as concentration. For 1nM, enter '1e-9'.
   log(EC 50 ) as log(concentration, M). For 1nM, enter '-9'.

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