Alternatives

Products that do what Working Days & SLA Calculator API does

Instantly calculate SLAs, ETAs, and T+2 settlement dates.

1. 1
   Cal.com Platform▲1,602

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2. 2
   SaaS Income Calculator▲232

   Calculate your SaaS income and compare payment processors

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3. 3
   Business Day Calculator▲4

   18 free deadline calculators, holidays in 25 countries

   Jul 2026 · businessdaycalculator.org

4. 4
   Business Case Calculator▲134

   Quickly calculate your SaaS business case and metrics

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5. 5
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6. 6
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   Calculate SaaS Metrics, MRR, LTV, CAC, One Dolar Generates

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7. 7
   Probe▲93

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8. 8QC
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9. 9
   Date Calculator Pro▲3

   Calculate dates, durations, and deadlines instantly

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10. 10
    Working Days Calculator▲1

    Weekdays · holidays · deadlines , computed instantly

    14d ago · workingdayscalculator.net

11. 11
    DateCalx▲1

    Free Date, Age & Business Days Calculator

    Jul 2026 · datecalx.com

12. 12
    Business Days Calculator▲5

    Free business days calculator - 166 countries, no signup

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13. 13
    Business Days & Hours Calculator API

    Accurate across timezones, weekends, and Time weirdness.

    Mar 2026

14. 14SG
    SaaS Growth Calculator – Calculate growth using common metrics▲23

    2020 · growthcalculator.app

15. 15
    SeeCalc▲5

    Every calculator you keep googling, in one place

    Jun 2026 · seecalc.com

16. 16
    Work Hours Calculator▲1

    Calculate work hours instantly in Chrome

    Apr 2026 · chromewebstore.google.com

17. 17
    GetNowDate simple API for date and time▲7

    Correct date and time handling, without the usual pain

    Dec 2025

18. 18
    DateCalc.tools▲2

    Free date calculators: days between dates, age & countdowns

    Feb 2026 · datecalc.tools

19. 19
    calculate.at▲12

    200+ free calculators. No signup, no clutter.

    Jul 2026 · calculate.at

20. 20
    Working Day Calculator

    Calculate working day deadlines — 7 countries, free

    Apr 2026 · workingdaycalculator.com

21. 21
    Anyday Calculator▲3

    Simple, transparent calculators for everyday finance goals

    Jun 2026 · anydaycalculator.com

22. 22
    Invariant.dev▲2

    Enforce business rules and event SLAs in real-time

    Jun 2026 · getinvariant.dev

23. 23
    CountBusinessDays.com▲2

    Privacy-friendly business days calculator (no signup)

    Aug 2026 · countbusinessdays.com

24. 24
    HowManyDays.app▲1

    How many days between dates? Free date & time calculators.

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