Finance Calculators
DevCalc's financial calculators provide mathematical modeling for retail banking, capital markets, personal taxation, and retirement planning. Every calculator uses verified actuarial and statutory formulas (such as RBI reducing-balance amortization, SEBI mutual fund compounding, Section 115BAC tax slabs, and PFRDA annuity matrices).
19 calculators available in this domain
Logical Groupings in Finance
Loan & Debt Amortization
Calculate reducing-balance loan EMIs, interest vs principal splits, and prepayment savings.
Wealth Accumulation & Investments
Forecast compounding growth across SIPs, lumpsum mutual funds, and fixed deposits.
Taxation & Compliance
Estimate liability under Old vs New tax regimes, Section 80C exemptions, and GST slabs.
Retirement & Income Distribution
Plan inflation-adjusted post-retirement cash flows, safe withdrawal rates, and pensions.
How to Choose the Right Calculator
Identify your specific scenario to select the appropriate mathematical or statutory model:
Comparing home loans across banks
Shows exact monthly outflow and total interest payable using RBI repo-linked reducing balance formulas.
Use EMI CalculatorInvesting surplus monthly salary into mutual funds
Simulates rupee-cost averaging and compounding growth across 5–30 year horizons.
Use SIP CalculatorPlanning regular monthly income during retirement
Evaluates capital longevity under 4%–6% safe withdrawal rates and FIFO equity taxation.
Use SWP CalculatorChecking rent allowance tax exemptions
Applies Rule 2A 3-condition test across metro and non-metro city classifications.
Use HRA CalculatorAll Finance Calculators
Click any tool to open the interactive calculatorGST Calculator
Calculate Indian Goods and Services Tax (GST) instantly for both inclusive and exclusive amounts. Breakdown base price, CGST, SGST, IGST, and total invoice value across all standard GST slabs (5%, 12%, 18%, 28%).
EMI Calculator
Calculate monthly EMI, total interest payable, and total loan repayment amount instantly. Plan home loans, car loans, and personal loans with accurate amortization breakdowns.
SIP Calculator
A free SIP Calculator built to help you plan smarter mutual fund investments. Just enter your monthly investment amount, expected rate of return, and investment duration to instantly see your total invested amount, wealth gained, and projected maturity value — making it easier to plan systematic investments and work toward long-term financial goals like retirement, education, or wealth creation.
FD Calculator
Calculate Fixed Deposit (FD) maturity amount, cumulative interest earned, and quarterly compounding returns. Compare interest rates across leading Indian public, private, and small finance banks with DICGC insurance and tax deduction guidance.
Simple Interest Calculator
Calculate simple interest, interest earned, and total maturity amount instantly.
Discount Calculator
Calculate sale prices, net savings, and successive stacked discounts (e.g. 50% + 20% off) instantly. Determine true discount percentages from MRP to checkout price.
HRA Calculator
Calculate House Rent Allowance (HRA) tax exemption under Section 10(13A) of the Income Tax Act. Determine exempt HRA, taxable HRA, and tax savings across metro (50%) and non-metro (40%) cities.
Income Tax Calculator
Calculate your income tax for FY 2025-26 (AY 2026-27) under both the Old and New tax regimes. Compare your tax liability side-by-side, factor in deductions and the Section 87A rebate, and find out which regime saves you more.
CAGR Calculator
Calculate the compound annual growth rate of a lump-sum investment from its beginning value, ending value, and holding period. Also see profit and absolute return.
Compound Interest Calculator
Calculate compound interest, maturity amount, investment growth, and total interest earned instantly using annual, monthly, quarterly, or daily compounding.
PPF Calculator
Calculate your Public Provident Fund (PPF) maturity amount, total investment, and estimated interest earnings. Plan long-term sovereign-backed savings, tax-free returns under EEE status, and retirement corpus growth.
Inflation Calculator
Calculate the future value of money after inflation and understand how rising prices affect your purchasing power over time. Use our free Inflation Calculator to estimate inflation-adjusted values and plan your finances more effectively.
Lumpsum Calculator
Calculate the future value of a one-time mutual fund lump-sum investment. Estimate compounding growth, total wealth gained, and long-term capital accumulation across equity, debt, and hybrid assets.
SWP Calculator
Calculate monthly systematic withdrawals, capital preservation, remaining mutual fund corpus, and tax-efficient cash flow streams from your lump-sum investments.
Retirement Calculator
Calculate the retirement corpus you may need to maintain your lifestyle after retirement. Estimate future expenses, inflation-adjusted costs, retirement savings, and monthly retirement income using our free Retirement Calculator.
Sukanya Samriddhi Yojana Calculator
Calculate the maturity corpus, total investment, and compounding interest earnings for the Sukanya Samriddhi Yojana (SSY) small savings scheme for a girl child under Ministry of Finance statutory rules.
NPS Calculator
Calculate your National Pension System (NPS) maturity corpus at age 60, the 60% tax-free lump-sum withdrawal, 40% mandatory annuity allocation, and estimated lifelong monthly pension.
Gratuity Calculator
Calculate gratuity amount based on your last drawn salary and years of service. Estimate gratuity benefits instantly using the official gratuity formula.
Flat Buy Calculator
Calculate the real, total cost of buying a flat in India — not just the sticker price. Enter your flat's base price, city, and construction status to instantly see GST, stamp duty, registration charges, brokerage, legal fees, home loan costs, and hidden builder charges, all added up into one true out-of-pocket number.
Frequently Asked Questions about Finance Tools
How accurate are DevCalc's financial calculations?
All formulas strictly follow verified standard banking and statutory algorithms (e.g. reducing balance EMI formulas, Section 115BAC income tax slabs, and AMFI mutual fund guidelines). However, actual bank charges or final tax filings may vary slightly based on processing fees or specific deductions.
Are financial calculations private and secure?
Yes. All computations execute 100% locally within your browser client. No salary, bank details, or financial inputs are transmitted or stored on any external server.