Max Heart Rate Calculator

Calculate max HR using standard and Tanaka formulas with training zones.

Max HR (220-age)

185 bpm

Max HR (Tanaka)

184 bpm

Training Zones (Tanaka)

Zone 1: Warm Up (50-60%)92 - 110 bpm
Zone 2: Fat Burn (60-70%)110 - 129 bpm
Zone 3: Cardio (70-80%)129 - 147 bpm
Zone 4: Hard (80-90%)147 - 166 bpm
Zone 5: Max (90-100%)166 - 184 bpm

Use the Max Heart Rate Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Max Heart Rate Calculator helps you determine your maximum heart rate (MHR) using two widely accepted formulas: the traditional 220-age and the more precise Tanaka formula (208 - 0.7 x age). Knowing your MHR is crucial for optimizing your training, allowing you to set effective heart rate zones for endurance, speed, and recovery. In 2026, personalized training is more important than ever for maximizing athletic performance and preventing overtraining.

The calculator utilizes two primary formulas. The '220-age' formula is a simple estimate, subtracting your current age from 220. The Tanaka formula, derived from a 2001 study, is considered more accurate: MHR = 208 - (0.7 * Age). Once your MHR is calculated, we then determine your training zones based on percentages of this maximum, typically ranging from 50-60% for very light to 90-100% for maximum effort.

Remember that these formulas provide estimates; individual physiological differences can lead to variations. Factors like fitness level, genetics, and medications can influence your actual maximum heart rate. Avoid relying solely on these calculations if you have pre-existing heart conditions; always consult a healthcare professional for personalized advice.

Example: Setting 2026 Training Zones for a 40-Year-Old

  1. 1 A 40-year-old individual wants to determine their maximum heart rate and training zones for their 2026 marathon training.
  2. 2 Using the Tanaka formula (208 - 0.7 * 40), their estimated MHR is 208 - 28 = 180 bpm. For their aerobic zone (70-80% of MHR), this would be 126-144 bpm.
  3. 3 Max Heart Rate (Tanaka): 180 bpm. Aerobic Training Zone (70-80%): 126-144 bpm.
  4. 4 This individual can now tailor their 2026 training runs to stay within the 126-144 bpm range for optimal cardiovascular benefits and endurance development, ensuring they don't overtrain or undertrain for their marathon goal.

Source: ACE · Last updated: April 2026

Frequently Asked Questions

How do I calculate my max heart rate?
The simplest formula is 220 minus your age. The more accurate Tanaka formula is 208 minus 0.7 times your age. For example, a 40-year-old has an estimated max HR of 180 (standard) or 180 (Tanaka). Individual variation of 10-15 BPM is normal.
What are the heart rate training zones?
Zone 1 (50-60% max) is light recovery, Zone 2 (60-70%) builds aerobic base, Zone 3 (70-80%) is moderate aerobic, Zone 4 (80-90%) is anaerobic threshold, and Zone 5 (90-100%) is maximum effort. Most training should be in Zones 2-3.
Is it dangerous to exercise at my max heart rate?
Brief intervals at near-max heart rate are generally safe for healthy individuals. However, sustained max effort increases cardiac risk for those with underlying conditions. Consult a doctor before high-intensity training, especially if over 45 or with risk factors.

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