About Smart Finance Calc

Smart Finance Calc is a fast, offline-first suite of 56 finance calculators across four categories, built for people who need quick, reliable money math without opening a spreadsheet or sending their numbers to a server.

Why it exists

Most "finance calculator" apps online either require an internet connection, bury you in ads, or send your income and expense figures to a remote server. Smart Finance Calc does none of that — every calculator runs entirely on your device, computes live as you type, and only saves what you explicitly ask it to save, locally.

What's inside

🏦 Banking (16 tools) — EMI Calculator, Loan Eligibility, Loan Prepayment, Loan Comparison, Interest Rate Calculator, Home Loan Calculator, Car Loan Calculator, Down Payment Calculator, FD Calculator, RD Calculator, PPF Calculator, NPS Calculator, Gratuity Calculator, EPF Calculator, Credit Card EMI, Credit Card Payoff.

📈 Investment (12 tools) — Dream SIP Planner (maturity projection + goal-seeking mode), Lumpsum Calculator, SWP Calculator, CAGR Calculator, Compound Interest Calculator, XIRR Calculator, Investment Return Calculator, Inflation Calculator, Retirement Calculator, FIRE Calculator, Savings Goal Calculator, Net Worth Calculator.

💰 Finance (13 tools) — India Income Tax Calculator (Old vs New regime, FY 2025-26 / Budget 2025 slabs), Salary Calculator (full CTC breakup, tax-integrated), GST Calculator (correct successive-discount stacking), Cash & Sales Tally (denomination-wise cash reconciliation), Profit Calculator (margin/markup + reverse pricing), Expense Tracker (Needs/Wants/Savings budgeting), Budget Planner, Debt-to-Income Calculator, Debt Payoff Calculator, Emergency Fund Calculator, Monthly Savings Calculator, Break-even Calculator, Markup Calculator.

🧮 General (17 tools) — Simple Calculator, Scientific Calculator, Age Calculator, Discount Calculator, Percentage Calculator, Tip Calculator, Split Bill Calculator, Currency Converter (offline — you enter today's rate), Unit Converter, Time Calculator, Date Difference Calculator, Ratio Calculator, Average Calculator, Rent Calculator, Rent vs Buy Calculator, Car Affordability Calculator, Home Affordability Calculator.

🕒 History — unified calculation history across all 56 tools, filterable by country and by tool.

Who built it

Smart Finance Calc is built and maintained by an independent developer. See Support for how to reach us.

Disclaimer

Tax, GST, and other law-driven figures reflect the rules in effect at the time of your installed app version. Always verify against current official sources before relying on results for filing or compliance — see the Terms & Conditions.