Dose-equivalence by class

Loop diuretic equivalent-dose calculator

Equivalent doses

Each loop diuretic expressed as the dose equivalent to Furosemide 40 mg by relative INTRAVENOUS potency, from a peer-reviewed table. The ratio is IV potency, not oral bioequivalence — furosemide oral bioavailability is wide and variable.

  • 20mg/day
  • 1mg/day

Sources (1)

Pham D, Grodin JL (2017) (opens in a new tab) Dilemmas in the Dosing of Heart Failure Drugs: Titrating Diuretics in Chronic Heart Failure. Cardiac Failure Review.

Method reviewpending

Data current as of July 2026.

Educational PK model: not clinical guidance. Confirm any dose change with a prescriber or pharmacist.