Work · alternatives · 2026
24 alternatives to SigFigCalculator.org
Significant figures calculator with steps
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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Hi all, just posting an update to my previous Show HN, where I announced a side-project I worked on which was a (web version) of a multi-user, notepad style calculator: https://news.ycombinator.com/item?id=31817997 After a couple of user requests (and having a good think about it) I decided to migrate the web UI to create a Mac and Windows desktop app. After using it a little bit, I feel this is a much better experience than the webapp, and reduces a lot of the friction if I wanted to run a few small calculations. You can find the download links below:…
2022 · figr.app · its alternatives →
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calculate.at▲12200+ free calculators. No signup, no clutter.
Jul 2026 · calculate.at · its alternatives →
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We launched Mathematical Calculator
2025 · mathematicalcalculator.com · its alternatives →
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158 free calculators, every formula explained, zero signup
Jul 2026 · calculatepilot.com · its alternatives →
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Your free online calculator repository for all of your needs
2025 · its alternatives →
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Free Online Inch Calculators & Converter Tools
May 2026 · calculators.is · its alternatives →
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29 free calculators that show their work — no black boxes
Aug 2026 · calculatorcenter.online · its alternatives →
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Fast, free & privacy-focused online calculator suite
Jul 2026 · flashcalculator.pages.dev · its alternatives →
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Parts per million converter - ppb, ppt, percent, decimal
Nov 2025 · its alternatives →
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Determine whether or not your A/B tests are statistically significant with our free visual A/B test calculator.
2015 · abtestcalculator.com · its alternatives →
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Smart, fast & free calculators for everything you need
2025 · solveme.net · its alternatives →
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Calculate five number summary with this free online tool
2025 · zeecalculator.com · its alternatives →
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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 →
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Accurate & instant results - starlightopia
2025 · starlightopia.com · its alternatives →
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Free online scientific calculator for math & more
2025 · scientificcalculatoronline.io · 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 →