Life & fun · alternatives · 2026

24 alternatives to IMPOSSIBLE Fitness Calculators

Fitness calculators to help you push your limits.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. IMPOSSIBLE Fitness Calculators launched in 2018; newer entries below may have overtaken it.

1. 1
   Fitness Calculator▲132

   Your companion for instant health insights without the fuss

   2024 · play.google.com · its alternatives →

2. 2
   Health and Medical Calculator▲79

   Comprehensive medical, fitness and health calculator

   2021 · play.google.com · its alternatives →

3. 3
   Calorator▲72

   The calorie calculator

   2017 · apps.apple.com · its alternatives →

4. 4
   Calistree▲70

   The ultimate calisthenics and bodyweight fitness app

   2022 · calistree.com · its alternatives →

5. 5
   BMI Calculator▲92

   Clean, simple and minimalistic BMI calculator

   2023 · its alternatives →

6. 6
   Fitness Calculator - FitCalc▲3

   Minimalist fitness calculator

   2021 · play.google.com · its alternatives →

7. 7
   Real Fitness Calculator▲3

   Free fitness calculators for calories, protein, BMI & more

   Jun 2026 · realfitnesscalculator.com · its alternatives →

8. 8
   BodyCalc▲10

   Easiest way to add fitness calculator to your website.

   2024 · its alternatives →

9. 9
   FitCalcStack▲7

   All Science Backed fitness calculators in one place

   2025 · 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
    BC Calculator - Beyond BMI▲6

    Your true fitness score in 60 seconds, no gym required

    2025 · sites.google.com · its alternatives →

12. 12
    DB's Workouts Fitness Tools Hub▲11

    Free fitness calculators for calories, macros, BMI & more

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

13. 13
    James Smith Calculator▲6

    Calorie calculator

    2025 · jamessmithcalculator.co.uk · its alternatives →

14. 14
    Pontefuerteai ▲16

    Snap your food, get your plan AI-powered fitness made simple

    2025 · pontefuerteai.com · its alternatives →

15. 15
    Free Health Calculator▲5

    Instant BMI, BMR & Calorie Calculator with detailed insights

    Feb 2026 · thefitcalculator.com · its alternatives →

16. 16
    Limit Calculator▲4

    Easy to use Limit Calculator with rich features.

    2020 · its alternatives →

17. 17
    1500cals▲13

    Refreshingly simple tools to eat yourself to fitness!

    2023 · 1500cals.com · its alternatives →

18. 18
    Bulkbites▲17

    Ultra-accurate AI-powered Calorie Tracking App.

    2025 · its alternatives →

19. 19
    BMI Calculator▲8

    Simple mathematical program that calculates body mass index.

    2017 · aydinfurkansuren.epizy.com · its alternatives →

20. 20
    FitWizard▲4

    Free AI workout plans and macro calculator

    Jun 2026 · fitwizard.in · its alternatives →

21. 21
    FitKit▲9

    The ultimate free, ad-free macro & fitness calculator

    Jul 2026 · fitkit.top · its alternatives →

22. 22
    Strength Level – Squat/Deadlift/Bench Calculator▲12

    Calculate male/female ability in exercises like bench press, squat and deadlift. Compare your max lifts with lifters at your bodyweight. Compete with friends.

    2015 · strengthlevel.com · its alternatives →

23. 23
    Weightloss Calculator▲8

    Weightloss calculator Tracks progress, sets realistic goals

    2024 · calculatorweightloss.com · its alternatives →

24. 24
    Calculators Labs▲2

    Calculator toolkit Math, Finance, Fitness, shipping & more.

    Jun 2026 · calculatorslabs.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 →