Work · alternatives · 2026

24 alternatives to 1RM Calculator

Your strength training tool

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
   One Rep Max▲85

   A calculator for estimating your 1RM in weightlifting sports

   2019 · its alternatives →

2. 2
   One Rep Max Calculator▲7

   Rep-max calculator | one-rep-max.com

   Oct 2025 · one-rep-max.com · its alternatives →

3. 3
   One Rep Max Calculator

   Calculate One Rep Max (1RM) instantly with Brzycki, Epley

   Jun 2026 · onerepmaxcalculator.pro · its alternatives →

4. 4
   1RM Workout Tracker & Log▲4

   Workout tracker & 1RM calculator for serious lifters

   Aug 2026 · 1rm.fit · its alternatives →

5. 5
   Unit Calories▲93

   Calculate your daily calorie needs from first principles

   2023 · its alternatives →

6. 6
   Growth Calculators▲201

   20+ free calculators for marketers & startups

   2023 · its alternatives →

7. 7
   bench-press-calculator▲3

   Calculate your true bench press 1RM in seconds

   Jun 2026 · aitoolkitcenter.com · its alternatives →

8. 8
   1RM Percentage Workout Calculator▲1

   Simple percentage-based workout helper

   Jan 2026 · apps.apple.com · its alternatives →

9. 9
   PeakLoads

   1RM, RIR and warm up calculators for powerlifters

   Mar 2026 · peakloads.com · its alternatives →

10. 10
    My Barbell Plates▲3

    Professional strength training calculators

    Dec 2025 · its alternatives →

11. 11
    RPE Calculator ▲12

    RPE Calculator for Smarter, Safer Lifting

    2025 · fithealthregimen.com · its alternatives →

12. 12
    Fitness Calculator▲132

    Your companion for instant health insights without the fuss

    2024 · its alternatives →

13. 13
    Tempered Strength▲7

    Lift, track, share and then compete with your one rep maxes

    2024 · its alternatives →

14. 14
    Barbell Plates Calculator▲62

    Lifting without the math

    2023 · its alternatives →

15. 15SL
    Strength Level – Squat/Deadlift/Bench Calculator▲12

    2015 · strengthlevel.com · its alternatives →

16. 16
    Fitness & Health Calculator▲7

    Track and optimize your fitness with smarter health tools

    Jan 2026 · raviyafitness.com · its alternatives →

17. 17
    Sport Calculators▲6

    Easy to use calculators for endurance sports. Free to Use!

    2024 · its alternatives →

18. 18
    Simple Calculator with History▲14

    Get the calculator that remembers

    2024 · its alternatives →

19. 19
    The No 1 Calculators and Tools Hub!▲8

    All your everyday calculators and tools - smart and fast!

    Nov 2025 · best-calculators.com · its alternatives →

20. 20
    Sauna Heater Size Calculator▲9

    Find the Perfect Sauna Heater Size for Optimal Heat!

    2025 · its alternatives →

21. 21
    1stcalc.com▲13

    Smart online calculators for everyday tasks

    Oct 2025 · 1stcalc.com · its alternatives →

22. 22
    FreeWWW▲5

    All-in-one calculators for fitness and sports tracking

    Jul 2026 · freewww.com · its alternatives →

23. 23
    StrengthPeaking▲2

    Free calculators for strength training and powerlifting

    Jun 2026 · strengthpeaking.com · its alternatives →

24. 24
    BMR Calculator▲6

    BMR Calculator

    2024 · 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 →