Fitness Training
Fitness Training Guides
Training, strength, cardio, and recovery — practical fitness tips and free calculators for every level.
- Fitness Training
How to Calculate Target Heart Rate Zones: Karvonen Method
Learn the Karvonen heart-rate-reserve formula, five training zones, accurate BPM examples, and why estimated exercise targets need context. - Fitness Training
What Is Maximum Heart Rate? 220 Minus Age vs. Tanaka
Compare the 220-minus-age and Tanaka maximum heart rate formulas, see age-based examples, and learn how estimates relate to training zones and safety. - Fitness Training
How Long Does It Take to Walk Off Calories?
Learn how a walk-it-off calculator estimates walking, running, and cycling time from calories, and why food-to-exercise comparisons are only estimates. - Fitness Training
How to Build a 4-Week Strength Training Program
Learn to build a four-week strength plan with 1RM percentages, progressive overload, working weights, and recovery guidance. - Fitness Training
How to Reduce Sitting Time: Breaks, Steps & Health
Learn how to break up sitting with movement, understand a desk-step calculator, and interpret calories and health claims without hype. - Fitness Training
How to Calculate Running Pace and Race Splits
Learn running pace per mile or kilometer, calculate finish times and splits, and understand what pace can and cannot tell you about fitness. - Fitness Training
What Is Your One-Rep Max and How Do You Calculate It?
Estimate your one-rep max using Epley and Brzycki, understand training percentages, and plan strength workouts without unnecessary maximal lifting. - Fitness Training
What Is FFMI and What Does Your Score Mean?
Calculate fat-free mass index from weight, height, and body fat. Understand normalized FFMI, the debated 25 benchmark, and measurement limitations. - Fitness Training
What Does Your Flexibility & Mobility Score Mean?
Check four at-home mobility tests, understand the nine-point score, and learn safe ways to improve joint movement without forcing painful stretches.