Business Calc puts 10 everyday Indian business calculators in one fast, offline app — no login, no internet required, no ads.
CALCULATORS INCLUDED
• GST Calculator — add or remove GST at 0%, 5%, 18% or 40% (current GST 2.0 slabs), CGST+SGST or IGST split
• EMI Calculator — monthly loan instalment with a live principal/interest breakdown
• Profit & Loss Calculator — profit, loss, profit % and margin % from purchase and selling price
• Discount Calculator — single or stacked sequential discounts with the real compounded effective %
• Margin Calculator — find your selling price from cost + desired margin, or your margin from cost + selling price
• Markup Calculator — cost + markup % to selling price, with equivalent margin shown alongside
• Simple Interest Calculator
• Compound Interest Calculator — with compounding frequency (yearly, half-yearly, quarterly, monthly)
• Percentage Calculator — X% of Y, X is what % of Y, increase/decrease Y by X%
• Amount to Words — converts any rupee amount into words using Indian numbering (Thousand, Lakh, Crore)
WHY BUSINESS CALC
• 100% offline — every calculation runs on your device, nothing is sent anywhere
• No account, no login, no personal information collected
• No ads — a clean, distraction-free calculator experience
• Save any result to History and reopen it later, with Copy/Share built in
• Star your most-used calculators onto a Favorites screen for one-tap access
• Filter History by calculator type
• Full dark mode support
• Works on phones and tablets
WHO IT'S FOR
Small business owners, shopkeepers, freelancers, accountants, students, and anyone who needs quick, accurate GST, EMI, discount, margin, or interest calculations without hunting for a spreadsheet or doing the math by hand.
PRIVACY FIRST
Business Calc doesn't require an account, doesn't collect personal data, and stores everything — history, favorites, theme preference — only on your device. Read the full privacy policy at https://businesscalc-privacy.web.app
Have a question or a calculator you'd like added? Reach out at rahulpatel23497@gmail.com.
10 free Indian business calculators — GST, EMI, discount, margin & more