Elimination Rate Constant (kₑ) Calculator

First-order elimination kinetics per MSD Manual

First-Order Kinetics

Calculation Method

Half-Life (t½, hours)

Examples

Elimination Rate

kₑ

Enter Values

Key Relationships

t½ = 0.693 / kₑ

Cl = kₑ × Vd

AUC = Dose / (kₑ × Vd)