Life & fun · alternatives · 2026

24 alternatives to FitCalcStack

All Science Backed fitness calculators in one place

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Fitness Calculator▲132

   Your companion for instant health insights without the fuss

   2024 · play.google.com · its alternatives →

2. 2
   DB's Workouts Fitness Tools Hub▲11

   Free fitness calculators for calories, macros, BMI & more

   Jul 2026 · dbworkouts.co.uk · its alternatives →

3. 3
   Health and Medical Calculator▲79

   Comprehensive medical, fitness and health calculator

   2021 · play.google.com · its alternatives →

4. 4
   Fitness Calculator - FitCalc▲3

   Minimalist fitness calculator

   2021 · play.google.com · its alternatives →

5. 5
   BodyCalc▲10

   Easiest way to add fitness calculator to your website.

   2024 · its alternatives →

6. 6
   TrainCalc▲5

   Free fitness calculators for bmi, tdee, macros & more

   2025 · traincalc.com · its alternatives →

7. 7
   FitKit▲9

   The ultimate free, ad-free macro & fitness calculator

   Jul 2026 · fitkit.top · its alternatives →

8. 8
   Asterisks Fit▲1

   Free fitness calculators for calories, running & strength

   Aug 2026 · fit.asterisks.app · its alternatives →

9. 9
   Free Fitness Calculators▲1

   36+ Health & Fitness Calculators

   Jan 2026 · freefitnesscalculators.com · its alternatives →

10. 10
    Fitness & Health Calculator▲7

    Track and optimize your fitness with smarter health tools

    Jan 2026 · raviyafitness.com · its alternatives →

11. 11
    Real Fitness Calculator▲3

    Free fitness calculators for calories, protein, BMI & more

    Jun 2026 · realfitnesscalculator.com · its alternatives →

12. 12
    Calculators Fit▲3

    Free health & fitness calculators in 6 languages

    Jul 2026 · calculatorsfit.com · its alternatives →

13. 13
    AllCalcify▲12

    Health & finance calculator suite

    2025 · its alternatives →

14. 14
    1500cals▲13

    Refreshingly simple tools to eat yourself to fitness!

    2023 · 1500cals.com · its alternatives →

15. 15
    CalorieKit - Macro Tracker▲11

    Track your nutrition with ease

    2024 · its alternatives →

16. 16
    The Fitness Tracker Database▲26

    Find the fitness tracker that fits everything you want!

    2017 · its alternatives →

17. 17
    HealthyBMICheck — Free Calculators▲3

    11 free health calculators backed by peer-reviewed science

    Jul 2026 · healthybmicheck.com · its alternatives →

18. 18
    FitFuel Tools

    All n 1 free health & fitness calculators no signup required

    Mar 2026 · fitfueltools.com · its alternatives →

19. 19
    CalculatorsKit▲6

    Free online calculators for math, finance, health & more

    2025 · calculatorskit.net · its alternatives →

20. 20
    1stcalc.com▲13

    Smart online calculators for everyday tasks

    2025 · 1stcalc.com · its alternatives →

21. 21
    TotuCalculator▲15

    Your free online calculator repository for all of your needs

    2025 · its alternatives →

22. 22
    Calculator Now▲12

    free online calculators - math, fitness, finance, science

    2025 · calculator-now.com · its alternatives →

23. 23
    Free FatCals▲2

    Track body fat, calories, and fitness goals in one place.

    May 2026 · freefatcals.com · its alternatives →

24. 24
    WebCalcSys▲3

    Online calculator ecosystem

    Jun 2026 · webcalcsys.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →