Fifteen finance calculators with live formulas and a downloadable Excel for every one. Built from real FP&A and treasury work: useful whether you're paying off a loan, choosing a tax regime, or pricing a buyer's credit deal.
Monthly instalment, total interest and a full amortisation schedule for any home, car or personal loan. Donut breakdown, live sliders, and an Excel export with working formulas.
Project mutual-fund wealth with annual step-up, an optional lump-sum, and inflation-adjusted value. Year-by-year growth chart plus a downloadable live-formula plan.
Fixed-deposit maturity with selectable compounding frequency, senior-citizen rates, and effective yield. Year-wise balance schedule and an Excel export.
15-year (and beyond) PPF growth with year-wise interest accrual on the EEE tax-free scheme. Full schedule and live-formula Excel download.
Compound annual growth rate between any two values, with absolute return, annualised gain, and a forward projection of the same growth rate.
Free Cash Flow to Equity from net income, D&A, CapEx, working-capital change and net borrowing: with FCFE per share, a build-up waterfall, and a live-formula Excel.
Maximum home or personal loan you qualify for, based on income, existing EMIs and FOIR. Tenure sensitivity table and an Excel export.
Old vs New regime comparison for FY 2025-26: slabs, rebate, surcharge and cess fully modelled. Tells you which regime saves more, with an Excel breakdown.
Turn CTC into monthly take-home: basic, HRA, PF, gratuity, professional tax and income tax, with a full salary-slip breakdown and Excel export.
House Rent Allowance exemption as the least of the three statutory limbs, metro/non-metro aware, with the binding rule highlighted and an Excel export.
Add or remove GST at any rate, with CGST/SGST or IGST split for intra- and inter-state supply. Base, tax and gross totals plus an Excel export.
Quantify the gain or loss from a forward cover versus spot rate at maturity: gross gain, net gain after premium, and annualised return with a clear verdict.
Debtor, creditor and inventory days, the cash conversion cycle and the working-capital gap, colour-coded to show where to focus attention.
Total cost of buyer's credit (SOFR + spread + forward cover) versus domestic borrowing, rupee savings and a clear treasury recommendation.
Compare up to 3 loans side-by-side on EMI, total interest, total cost including fees and effective rate, with a visual bar comparison and best-loan highlight.
Every calculator here was built because I needed it in real work: for a banker conversation, a tax decision, a treasury negotiation. If you need a specific one that isn't here, let me know.
Looking for Companies Act and compliance tools? The compliance calendar, MCA and LLP late fees, directors’ report generator, Sec 185/186 loans, DIR-3 KYC, DPT-3, CSR, managerial remuneration and the GSTIN and Udyam verifiers now live on the compliance page.