Health & Fitness Calculators
Pick from 30+ science-backed health & fitness tools.
Get instant metrics made just for you. All calculations run 100% in your browserno data is sent to a server.
- BMI, body fat, & muscle mass
- TDEE, calories, & macros
- Heart rate & VO2 max
- Timers, pacing, & more
No sign-up, no tracking, just instant results.
Quickly estimate your weight category and fat percentage.
Dial in your daily calories, protein, carbs, and fats.
1RM, pace, heart rate zones, and VO2 max estimates.
All calculations are done locally in your browser.
Drop this code into a WP HTML block to get an instant fitness tools hub.
Health & Fitness Calculators
Enter your details below. All fields are optional until you calculate.
1. BMI Calculator
Enter height & weight.
2. Body Fat %
Enter measurements.
3. Ideal Weight
Enter height.
4. TDEE Calculator
Enter weight & activity.
5. Calorie Calculator
Fill details.
6. Macronutrient Calculator
Enter calories.
7. Protein Intake
Enter weight.
8. Water Intake
Enter weight.
9. 1RM Calculator
Enter weight & reps.
10. Heart Rate Zones
Enter age.
11. Muscle Mass
Enter weight & fat %.
12. Waist-to-Height Ratio
Enter height & waist.
13. Step Calorie Burn
Enter steps & weight.
14. Recovery Time
Enter intensity & duration.
15. Workout Timer
Simple interval timer.
16. BMR Calculator
Fill details.
17. Lean Body Mass
Enter weight & fat %.
18. Body Type
Enter measurements.
19. Running Pace
Enter distance & time.
20. VO2 Max Estimate
Enter HR details.
21. Body Adiposity Index
Enter height & hip.
22. Fat-Free Mass Index
Enter details.
23. Basal Metabolic Rate
Fill details.
Use the same inputs as the BMR calculator above. This section mirrors those results.
24. Caloric Deficit
Enter TDEE & deficit %.
25. Weight Loss Timeline
Enter details.
26. Protein per Meal
Enter protein & meals.
27. Carb Cycling
Enter calories.
28. Intermittent Fasting
Select method.
29. Creatine Dosage
Enter weight.
30. Caffeine Intake
Enter weight.
About Our Easy-AI Fitness
Achieve your wellness goals with reliable, expert-backed health and fitness calculators. Every tool here is designed to be fast, clear, and practicalperfect for beginners, coaches, and advanced athletes.
Our Mission
We provide user-friendly calculators that help you understand your body metrics and track progress with confidence.
- Support everyonefrom beginners to professional athletes.
- Offer clear explanations of what each number means.
- Keep everything lightweight and mobile-friendly.
Our Approach
- Using scientifically validated formulas where available.
- Prioritizing user privacy with 100% browser-based calculations.
- Continuously updating our tools with the latest research.
Fitness Training Toolkit
30+ Fitness Calculators · Comprehensive tools for all your health metrics.
Add to WordPress
- Open your WordPress page or post editor.
- Add a Custom HTML block.
- Paste the full HTML from this file.
- Update/publish and view your live calculators.