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Free interactive calculators built for Indian SMBs — EMI, income tax, GST, salary take-home, SIP returns, invoicing, marketing-stack ROI, and WhatsApp session-window guidance. All calculations happen in your browser. No account required, no data sent anywhere.
Numbers, in Indian rupees.
EMI calculator
Home, personal, car, and education loans. Live monthly EMI, total interest, and a year-by-year amortization schedule. Indian-rupee formatting throughout.
Income tax calculator (FY 2026-27)
Side-by-side old vs new regime comparison for FY 2026-27 (Budget 2025 slabs). Slab-wise breakdown, surcharge with marginal relief, 4% cess, rebate u/s 87A. Salaried and business income.
GST calculator
CGST + SGST + IGST split for intra-state and inter-state transactions. All five standard GST slabs. Inclusive / exclusive amount modes. UTGST when the place of supply is a Union Territory.
Salary (CTC to in-hand) calculator
Convert CTC to monthly take-home. Basic, HRA, PF, professional tax, and TDS estimates. Old vs new tax regime, metro vs non-metro.
SIP calculator
Mutual-fund SIP maturity, total invested, estimated returns, and year-by-year growth. Optional annual step-up SIP for salaried investors mirroring 8-10% annual raise.
Ship the document, collect the money.
GST invoice generator
Build a print-ready GST-compliant invoice in 60 seconds. CGST + SGST / IGST auto-applied from seller-state and buyer-state. HSN/SAC, multiple line items, amount in Indian words. No signup.
ROI calculator
Plug in conversation volume, AOV, and conversion rate — see expected revenue lift, payback period, and ROI ratio for adding Wendesk to your stack.
WhatsApp policy, without the guesswork.
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