Dev tools · alternatives · 2026
24 alternatives to CalculatePlus
Perform basic and free online calculations and conversions.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CalculatePlus launched in 2017; newer entries below may have overtaken it.
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I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/
2022 · numpad.io · its alternatives →
- 3CA
2021 · mkhan45.github.io · its alternatives →
- 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
The percentage calculator to make your life easier
2021 · percentagecalc.org · its alternatives →
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Calculations and notes inside your browser tab
2021 · chromewebstore.google.com · its alternatives →
- 7AB
2020 · saasformulas.com · its alternatives →
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40+ calculators and unit converters for everyday use
2018 · apps.apple.com · its alternatives →
- 10
Your one-stop solution for daily calculations & conversions.
2025 · fluitionsphere.com · its alternatives →
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Google Sheets add-on with Support for Numbers with Units
2019 · ghostwrench.net · its alternatives →
- 13
Calculate percentages with no cognitive load
2025 · calculatequick.com · its alternatives →
- 14
Fast, free & clean online calculation tools.
Jul 2026 · calculators.solutions · its alternatives →
- 15
Improve oral arithmetic ability; file - > PDF.
2021 · apps.apple.com · its alternatives →
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Free Online General Weighted Average Calculator
2025 · mycalsuite.com · its alternatives →
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Free online calculators for math, finance, and conversions
Jul 2026 · usefreecalculator.com · its alternatives →
- 20
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 →
- 21
calculator, math, education, percentages, learning, students
2025 · apps.apple.com · its alternatives →
- 22
Practicing the basic arithmetic operations
2025 · play.google.com · its alternatives →
- 23
Today Calculator offers 5000+ free online calculators for math, finance, health, unit conversions, and daily life calculations. Fast, accurate, and easy to use on any device
2025 · todaycalculator.com · its alternatives →
- 24
calculate.at▲12200+ free calculators. No signup, no clutter.
Jul 2026 · calculate.at · 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 →