Dose-equivalence by class
Loop diuretic equivalent-dose calculator
Equivalence chart
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. Educational, not a prescription.
| Drug | Equivalent dose |
|---|---|
| Furosemide | 40 mg |
| Torasemide | 20 mg |
| Bumetanide | 1 mg |
Loop diuretic equivalent doses express furosemide, torasemide and bumetanide on a furosemide-equivalent scale from a peer-reviewed relative-intravenous-potency table (furosemide 40 mg ≈ torasemide 20 mg ≈ bumetanide 1 mg); the ratio is intravenous potency and oral bioavailability differs, so it is an educational estimate, not a proven oral bioequivalence or a prescription.
Data current as of June 2026.
Educational PK model: not clinical guidance. Confirm any dose change with a prescriber or pharmacist.