💡 Pick it for a broader set of free health and fitness calculators without downloading an app.
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Best FitMath â Fitness Calculator Alternatives ranked by AI · updated Aug 2026
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FitMath is a fitness-calculation tool for people estimating metrics such as body mass index, basal metabolic rate, calorie needs, and macronutrients. It focuses on quick calculations rather than comprehensive meal or exercise tracking.
Top 6 FitMath â Fitness Calculator alternatives
💡 Pick it if you want to turn calorie estimates into a full food and exercise log.
MyFitnessPal is a popular fitness app that helps users track their diet and exercise to achieve their fitness goals. It offers a...
Free with optional premium subscription
💡 Pick it when micronutrient accuracy and detailed nutrition analysis matter more than fast calculations.
Cronometer is a nutrition tracking tool that focuses on micronutrients and offers detailed analysis of daily nutrient intake.
Pros
- Detailed nutrient tracking
- Customizable goals
Cons
- Less user-friendly interface
- Some features locked behind premium subscription
Free with premium options
4
MacroFactor
Stronger By Science
💡 Pick it for adaptive calorie and macro targets that respond to your actual weight trend.
MacroFactor is a nutrition coaching and macro-tracking app for users who want adaptive calorie and macronutrient targets. Its standout feature is an...
Pros
- Adaptive targets are more responsive than FoodIntake.Space's basic journaling approach
- Excellent macro tracking for athletes and physique-focused users
- Trend-based weight analysis reduces day-to-day noise
Cons
- No permanent free tier after the trial
- More expensive than basic food diary services
- Requires consistent logging to make its adaptive algorithm useful
From $11.99/mo
5
TDEE Calculator
TDEE Calculator
💡 Pick it for a fast, dedicated TDEE estimate and weight-goal calorie targets.
TDEE Calculator is a focused web service that estimates total daily energy expenditure, basal metabolic rate, and calorie targets. It is designed...
Pros
- More specialized for TDEE and calorie-target calculations than FitMath
- Free, fast, and accessible without an account
- Presents multiple calorie targets for different weight goals
Cons
- Narrower feature set than FitMath's broader calculator approach
- Does not track meals, workouts, or weight history
- Results still depend heavily on the selected activity level
💡 Pick it if you want calculated calorie targets converted into personalized meal plans.
Eat This Much is an automated meal planner for people managing calories, macros, or specific nutrition goals. It generates daily and weekly...
Pros
- Much stronger calorie and macro automation than Plan2Meal
- Can adapt plans to precise nutrition targets
- Useful for weight-management and fitness-focused users
Cons
- Generated meals can feel less family-oriented
- Recipes and presentation are less polished than Mealime
- Advanced planning features require Premium
Freemium, Premium from $5/mo billed annually
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