Unit Converter

Convert between common pharmacology units: IC50/pIC50 log transformation, mass-to-molar concentration (requires MW), and Ki/IC50 via Cheng-Prusoff equation.

Example: IC50 = 250 nM → pIC50 = 6.60

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IC50 ↔ pIC50 Converter

IC50 values (nM, one per line):

μg/mL ↔ μM Converter

Value: MW (g/mol):

Ki ↔ IC50 (Cheng-Prusoff)

Accurate only for competitive inhibition.

IC50 (nM): [S] - Substrate concentration: Km: