Launched this week

CalculatorFlux

Launched this week

166 free calculators. No ads. No signup. Ever.

6 followers

166 free calculators. No ads. No signup. Ever.

6 followers

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163 free, accurate online calculators for payroll, finance, health, GPA, construction, and more. All 50 US states covered. No sign-up. Updated for 2025-26.

Free

Launch tags:Health & Fitness•Productivity•Education

Launch Team

Customer.ioAutomate Messaging Everywhere — Startups Get 12 Months Free

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Maker

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I built CalculatorFlux because every calculator site I used was either buried in ads, locked behind a signup, or just gave wrong results. The idea was simple: build every calculator from scratch, verify the formulas against official sources (IRS, ADA, WHO), and make them all free with no strings attached. Started with payroll calculators for all 50 US states, then expanded into finance, health, construction, math, and food. 166 tools later, every single one runs in your browser. Your numbers never touch a server. No ads. No accounts. No paywalls. Just accurate tools that work. Would love to hear which calculator you find most useful, and if there is one missing that you need, let me know in the comments.

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2d ago