Clarity first
Sharper hierarchy, stronger contrast, and cleaner result cards reduce scan time.
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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.
4 Slabs
GST rates covered (5%, 12%, 18%, 28%)
₹0
Cost to use always free
No login
Open any tool instantly
Quick estimate
Enter a base amount, choose the slab, and get tax plus final total instantly.
Rate
18%
GST amount
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Total
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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.
Core experiences
The new structure prioritizes task completion first, then deeper reading. Users can jump into a tool, browse related calculators, or continue into guides without losing context.
Tax
Use GST tools built for sellers, freelancers, and finance teams that need fast answers without spreadsheet friction.
Open categoryLending
Compare repayment impact, interest burden, and monthly affordability in a cleaner flow.
Open categoryBusiness math
Useful for daily pricing, sales checks, marketplace decisions, and finance operations.
Open categoryBrand system
The redesign introduces a stronger type pairing, rounded modular surfaces, cleaner contrast, a new brand mark, and calmer spacing that makes dense calculator pages more usable.
Typography
Space Grotesk + DM Sans
Palette
Teal, amber, ink, warm neutrals
Editorial feed

GST Guide
Use our free Remove GST Calculator to minus GST from price instantly. Learn the reverse GST calculation formula, see examples, and extract the base price in seconds.

Consumer Electronics
Complete guide to GST rates on electronics in India for 2026. Know the latest GST on laptop (18%), mobile phones, tablets, and accessories with examples and free calculator.

GST Guide
Master the art of removing GST from any amount. Learn the correct formula, view detailed examples, and avoid common errors in reverse GST calculation.
Quick answers to common questions about GST and our calculator
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