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:


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

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.