Target Heart Rate Calculator July 27, 2026 by calculatorguides Rate this post CalculatorGuides ❤️ Target Heart Rate Calculator Age: Resting Heart Rate (optional): ⚙️ Settings (Formulas & Scales) ▼ Max Heart Rate Estimation Formula: Standard (220 - Age) Tanaka Formula (208 - 0.7 × Age) Gelish Formula (207 - 0.7 × Age) Gellish 2 Formula (191.5 - 0.007 × Age²) Activity Intensity Scale: AHA Standard (2 Zones: Moderate & Vigorous) Fitness 5-Zone Model (Zone 1 - Zone 5) Calculate Heart Rate Reset
