Work · alternatives · 2026

24 alternatives to Z-Test Calculator

Instantly calculate z-scores and p-values with confidence

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
   Z Score Calculator▲2

   A useful tool for calculate z score、p value、Z critical value

   2025 · zscorecalculator.net · its alternatives →

2. 2
   Percentage Calculator▲90

   The percentage calculator to make your life easier

   2021 · percentagecalc.org · its alternatives →

3. 3
   A/B Test significance calculator▲131

   Optimize tests with visual & interactive insights

   2024 · tggl.io · its alternatives →

4. 4
   Subjects Grade Calculator▲138

   Calculate your grade and GPA for free

   2024 · its alternatives →

5. 5
   Z-Score Calculator

   Standard Scores | Ease Tools

   Feb 2026 · geteasetools.com · its alternatives →

6. 6
   Percentage Calculator▲4

   Instant percentage calculations with step-by-step solutions

   May 2026 · sqrtcalculator.com · its alternatives →

7. 7
   Easy Percentage Calculator▲7

   Simple percentage calculator: work out X% of Y, one number as a percentage of another, and percentage increase or decrease. Free, fast, no sign-up.

   2025 · easypercentcalculator.com · its alternatives →

8. 8
   Perfect Percentage Calculator▲17

   Calculate percentages with no cognitive load

   2025 · calculatequick.com · its alternatives →

9. 9
   Chi-Square Pro-Table Generator▲5

   Instant Chi-square analysis. Calculate, visualize, & verify

   Nov 2025 · its alternatives →

10. 10
    StepStat▲1

    Free statistics calculators with step-by-step solutions.

    Sep 2026 · stepstat.net · its alternatives →

11. 11AC
    ABTestCalculator.com, an open source A/B test significance calculator▲7

    Determine whether or not your A/B tests are statistically significant with our free visual A/B test calculator.

    2015 · abtestcalculator.com · its alternatives →

12. 12
    Percentage Calculator▲11

    Free Online General Weighted Average Calculator

    2025 · mycalsuite.com · its alternatives →

13. 13
    VypocitejProcenta.cz▲1

    Calculate percentages instantly with a clean, fast tool

    Mar 2026 · vypocitejprocenta.cz · its alternatives →

14. 14
    Five Number Summary Calculator▲8

    Calculate five number summary with this free online tool

    2025 · zeecalculator.com · its alternatives →

15. 15
    Marks to Percentage Calculator▲8

    Quick & Accurate Percentage Calculations

    2025 · its alternatives →

16. 16
    easygradescalculator.com▲7

    Smart Tools to Calculate Your Grades with Ease

    2025 · ninja138play.org · its alternatives →

17. 17
    Ez Calculator Online▲13

    Fast & accurate calculation tools

    2025 · ezcalculatoronline.com · its alternatives →

18. 18
    ResultCalculator▲2

    Calculate smarter. Decide faster.

    Jun 2026 · resultcalculator.com · its alternatives →

19. 19
    Calculate Your Percentage▲8

    Quickly calculate your exam percentage online

    2025 · its alternatives →

20. 20
    Percentage calculator▲12

    Calculate percentage | Find percentage | Percentage formula

    2024 · visualpercentagecalculator.com · its alternatives →

21. 21
    gradecalculate▲9

    grading calculator

    2025 · gradecalculate.info · its alternatives →

22. 22
    percent grade calculator▲6

    Simple and easy to use grade calculator

    2024 · its alternatives →

23. 23
    Z Score Calculator▲3

    All about z score Calculator

    2020 · its alternatives →

24. 24
    Calq.dev▲7

    Free online calculators for everyday math and planning

    Nov 2025 · calq.dev · 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 →