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Dev tools · alternatives · 2026

24 alternatives to Calcul.io

Math playground - smart online calculator

Calcul.io is a free online calculator that handles arithmetic, percentages, unit conversions, dates, currencies, and advanced math functions in an editable workspace. It lets users keep multiple calculations visible… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calcul.io launched in 2024; newer entries below may have overtaken it.

  1. 1
    Calculo▲195

    Calculator from the future

    2024 · calculo.tech · its alternatives →

  2. 2

    Math made easy!

    2025 · calculio.com · its alternatives →

  3. 3

    Smarter online calculators. Cleaner, faster results

    2025 · its alternatives →

  4. 4

    Hey, maker here. After launching a daily word search game, I randomly thought of this math game while driving. Finally got around to making it and I think it turned out pretty cool. It’s a math search game that’s meant to help you practice your quick addition, subtraction, multiplication, and division skills. I’m hoping it’ll help people (even those like me who aren’t big on math) learn and increase their speeds. (There are also some settings you can enable to make the game harder) If you try it out, please let me know if you found it fun, if you have anything you’d like me to add, or if you…

    2024 · worchle.com · its alternatives →

  5. 5

    1200+ free calculators for any task, no signup

    Jun 2026 · calcugo.com · its alternatives →

  6. 6

    calculator, math, education, percentages, learning, students

    2025 · apps.apple.com · its alternatives →

  7. 7

    Your all-in-one platform for free online calculators

    Jun 2026 · freecalctools.net · its alternatives →

  8. 8

    Free online calculator

    2025 · freecalculators.app · its alternatives →

  9. 9

    Offline calculator, unit converter, and date tools

    Jul 2026 · tenshio-apps.vercel.app · its alternatives →

  10. 10

    Calculora - Free Online Calculators & Tools

    Jun 2026 · calculora.net · its alternatives →

  11. 11

    Find the best, fast and accurate calculators

    Jan 2026 · its alternatives →

  12. 12

    Every calculation you need — one place, always free.

    Jun 2026 · calculify.ravistack.tech · its alternatives →

  13. 13

    I Built a Comprehensive Suite of Free Online Tools: 300+ Calculators, Converters, and Random Generators After months of coding and development, I'm excited to share my website offering a vast collection of free online calculators, unit converters, and random generators all in one place. This project was created to simplify everyday tasks and provide accurate tools for various needs. What You'll Find on My Site: Calculators: - Financial tools: ROI, APY, mortgage calculators - Business tools: Break-even, commission calculators - Mathematics: From basic to advanced functions - Health: BMI, BMR,…

    2025 · calculatinghub.com · its alternatives →

  14. 14

    48+ blazing-fast, free calculators. Zero signups required.

    Mar 2026 · calculy.org · its alternatives →

  15. 15

    Free online calculators & utility tools — no sign-up needed

    Jun 2026 · its alternatives →

  16. 16

    Professional calculator tools collection

    2025 · its alternatives →

  17. 17

    Free Online General Weighted Average Calculator

    2025 · mycalsuite.com · its alternatives →

  18. 18

    Life, work & project- calclab

    2025 · its alternatives →

  19. 19

    Free online calculator & unit converter

    2025 · its alternatives →

  20. 20

    Perform basic and free online calculations and conversions.

    2017 · calculate.plus · its alternatives →

  21. 21

    Smart Online Calculators for Health, Finance & More

    Mar 2026 · calcullatr.com · its alternatives →

  22. 22

    Calculate Anything, Anytime

    Jul 2026 · calculatormama.com · its alternatives →

  23. 23

    200+ free online calculators for math — free & instant

    Jun 2026 · unitedcalculator.net · its alternatives →

  24. 24

    All in one calculators & converters

    2024 · its alternatives →

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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 →