Pre-solved maximum heart rate for age 47. Tanaka (2001): 175 bpm | Fox (220-age): 173 bpm | Gellish (2007): 174 bpm. Training zones (Tanaka): Z1 Warm-up 88-105 bpm, Z2 Fat Burn 105-122 bpm, Z3 Aerobic 122-140 bpm, Z4 Threshold 140-158 bpm, Z5 VO2 Max 158-175 bpm. AHA moderate intensity: 88-122 bpm. ..
ESTIMATED MAX HEART RATE — AGE 47
175
Tanaka (2001)
Most accurate
208 − 0.7 × age
173
Fox (220−age)
Classic formula
220 − age
174
Gellish (2007)
Validated
207 − 0.7 × age
Max HR declines ~0.7 bpm/year · AHA moderate: 88–122 bpm · Vigorous: 122–149 bpm
5 TRAINING ZONES — AGE 47 (Tanaka HRmax 175 bpm)
| Zone | % | BPM Range | Benefit |
|---|---|---|---|
| Z1 Warm-up | 50-60% | 88–105 | Recovery, very easy |
| Z2 Fat Burn | 60-70% | 105–122 | Fat oxidation, aerobic base |
| Z3 Aerobic | 70-80% | 122–140 | Cardiovascular fitness |
| Z4 Threshold | 80-90% | 140–158 | Lactate threshold, race pace |
| Z5 VO2 Max | 90-100% | 158–175 | Max cardiac output |
| AHA Moderate | 50–70% | 88–122 | 150 min/week recommended |
| AHA Vigorous | 70–85% | 122–149 | 75 min/week recommended |
ZONE BARS — HRmax 175 bpm
FORMULA COMPARISON — AGE 47
Maximum heart rate declines ~0.7 bpm per year after age 20. At age 47, the three validated formulas give 175 bpm (Tanaka), 173 bpm (Fox), and 174 bpm (Gellish). The Tanaka formula is recommended as the most accurate.
What is the maximum heart rate for a 47-year-old?
For a 47-year-old, the estimated maximum heart rate (HRmax) is:\n\nTanaka (2001) — recommended: 175 bpm\nFormula: 208 − (0.7 × 47) = 175 bpm\n\nFox (1971) — classic: 173 bpm\nFormula: 220 − 47 = 173 bpm\n\nGellish (2007) — validated: 174 bpm\nFormula: 207 − (0.7 × 47) = 174 bpm\n\nTraining zones at age 47 (using Tanaka HRmax 175 bpm):\nZ1 Warm-up (50-60%): 88-105 bpm\nZ2 Fat Burn (60-70%): 105-122 bpm\nZ3 Aerobic (70-80%): 122-140 bpm\nZ4 Threshold (80-90%): 140-158 bpm\nZ5 VO2 Max (90-100%): 158-175 bpm\n\nAHA moderate exercise target (50-70%): 88-122 bpm\nAHA vigorous exercise target (70-85%): 122-149 bpm\n\nNote: These are population averages. Your actual HRmax may vary by ±10-12 bpm. The only accurate way to measure HRmax is via a maximal graded exercise test under medical supervision.
Heart Rate Training Zones Calculator
Calculate instantly →
Swimming Pace Calculator
Calculate instantly →
One Rep Max (1RM) Calculator
Calculate instantly →
Half Marathon Pace Calculator
Calculate instantly →
5K Pace Calculator
Calculate instantly →
VO2 Max Calculator
Calculate instantly →
Running Pace Calculator
Calculate instantly →
Maximum Heart Rate Calculator
Calculate instantly →
Max Heart Rate Age 23
Calculate instantly →
Max Heart Rate Age 22
Calculate instantly →
Max Heart Rate Age 21
Calculate instantly →
Max Heart Rate Age 29
Calculate instantly →
Max Heart Rate Age 20
Calculate instantly →
Max Heart Rate Age 24
Calculate instantly →
Max Heart Rate Age 27
Calculate instantly →
Max Heart Rate Age 26
Calculate instantly →
Max Heart Rate Age 25
Calculate instantly →
Max Heart Rate Age 28
Calculate instantly →
Max Heart Rate Age 19
Calculate instantly →
Max Heart Rate Age 18
Calculate instantly →
Max heart rate age 47 · Tanaka: 175 bpm · Fox: 173 bpm · Gellish: 174 bpm · Sources: Tanaka et al. (2001), Fox (1971), Gellish et al. (2007)