One Calculator
All-in-One Financial Calculator Suite Free GST, EMI
One Calculator launched on January 14, 2026.
What it does
India's most trusted calculator platform. Free tools for GST, Home Loan EMI, Discounts, Profit margins, Interest calculations & more. Privacy-focused, instant results, no login required.
Free GST, EMI, SIP & business calculators for India. No login, instant results. Trusted by freelancers & small business owners.
For freelancers, small business owners, and students who deal with GST, EMI, and tax calculations daily. OneCalculator turns GST, EMI, pricing, and business calculations into a faster, cleaner workflow with stronger visual hierarchy and less noise. Enter a base amount, choose the slab, and get tax plus final total instantly. Sharper hierarchy, stronger contrast, and cleaner result cards reduce scan time. The redesigned layout is intentionally built for phones before stretching to desktop. Popular tools, related actions, and content blocks are grouped by what users need next. The new structure prioritizes task completion first, then deeper reading. Users can jump into a tool, browse related…from onecalculator.online
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Source: Product Hunt launch ↗
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the whole month →- IN
Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc
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