Free hub of 36 India-focused calculators: loan EMI, credit-card EMI (with the 18% GST banks add on interest), SIP and step-up SIP, income tax for FY 2026-27 comparing new and old regimes, PPF/EPF/NPS, FD/RD, and salary CTC-to-in-hand, plus compare tools like SIP vs lumpsum and rent vs buy. Every calculator ships with automated math tests, so the build fails if a formula drifts. Results share as a URL or WhatsApp message, schedules export to CSV, and any calculator embeds free. No signup.
