Free Finance Calculators
Instantly calculate EMI, SIP returns, GST, income tax, compound interest, FD/PPF maturity, mortgage payments, inflation impact and more — no signup, no fees.
EMI / Loan Calculator
Calculate your monthly EMI for home loans, car loans, or personal loans. Adjust loan amount, interest rate, and tenure to plan your borrowing smartly.
Tab to move fields · ↑↓ to adjust values
SIP Calculator
Calculate wealth created through Systematic Investment Plans. See how regular monthly investments grow with power of compounding over time.
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GST Calculator
Calculate GST inclusive and exclusive prices instantly. Select the applicable GST slab to find tax amounts for any goods or services in India.
Income Tax Calculator (India FY 2025–26)
Calculate your income tax liability under the New Tax Regime (default from FY 2024-25) or Old Tax Regime. Includes standard deduction and surcharge calculations.
Compound Interest Calculator
See how your money grows with compound interest — the most powerful force in investing. Supports annual, quarterly, monthly, and daily compounding.
FD / RD Maturity Calculator
Calculate maturity amount for Fixed Deposits and Recurring Deposits. Compare returns across quarterly, half-yearly, and annual compounding options.
PPF Calculator
Public Provident Fund (PPF) offers tax-free returns with 15-year lock-in. Calculate your PPF maturity corpus with current 7.1% government rate.
Mortgage Calculator
Calculate your monthly mortgage payment including principal, interest, property tax, and insurance (PITI). Works for US and global home loans.
Lump Sum Returns Calculator
Calculate future value of a one-time investment in mutual funds, stocks, or any asset. Compare lump sum vs SIP investment strategies.
Inflation Calculator
Understand how inflation erodes purchasing power over time. Calculate the future cost of goods and the real value of your money after inflation.
HRA Exemption Calculator
Calculate your House Rent Allowance (HRA) tax exemption under Section 10(13A) of Income Tax Act. Available only under the Old Tax Regime.
Gratuity Calculator
Calculate your gratuity entitlement as per the Payment of Gratuity Act, 1972. Gratuity is payable after 5 years of continuous service.
Net Worth Calculator
Calculate your total net worth by subtracting all liabilities from total assets. Track your financial health and wealth-building progress.
Simple Interest Calculator
Calculate simple interest on a principal amount at a fixed rate over time. Simple interest does not compound — useful for short-term loans and fixed deposits without compounding.
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Retirement Calculator
Plan your retirement corpus. Calculate how much you need to save monthly or in a lump sum to achieve your desired post-retirement monthly income, accounting for inflation and investment returns.
Savings Goal Calculator
Set a financial goal and calculate how much you need to save monthly, or how long it will take to reach your target at your current savings rate.
ROI Calculator
Calculate Return on Investment (ROI) — the percentage gain or loss on any investment. Use for stocks, real estate, business investments, or any financial decision.
Break-even Calculator
Find the break-even point for any business or product — the number of units or revenue needed to cover all fixed and variable costs. Essential for pricing and business planning.
Currency Converter
Convert between major world currencies using approximate reference rates. Rates are indicative — use for planning and estimation. For live rates, check your bank or forex platform.
Date Calculator
Calculate days between two dates, add or subtract days from a date, find working days excluding weekends and holidays, and get full date breakdowns.
Simple Calculator
Clean, fast, keyboard-operable calculator for everyday arithmetic. Supports chained operations, percentage, and memory functions.
Type numbers and operators with your keyboard
Scientific Calculator
Full-featured scientific calculator with trigonometric functions, logarithms, powers, roots, factorials, and constants. Supports both degrees and radians mode. Fully keyboard operable.
Keyboard supported · Deg/Rad toggle in top-left
How to use the EMI Calculator
An Equated Monthly Installment (EMI) is the fixed monthly payment you make to your lender to repay a loan. It includes both the principal (amount borrowed) and interest components.
Formula: EMI = P × r × (1+r)ⁿ / ((1+r)ⁿ – 1) where P = Principal, r = monthly interest rate, n = number of months.
- Principal
- The original loan amount you borrow from the bank.
- Interest Rate
- Annual cost of borrowing expressed as a percentage (p.a.).
- Tenure
- Duration of the loan. Longer tenure = lower EMI but more interest paid.
- Total Interest
- Cumulative interest paid over the entire loan period.
- Pre-payment
- Paying extra towards principal reduces total interest significantly.
- Floating Rate
- Interest rate that changes with market conditions (e.g., MCLR-linked).
How SIP Investments Work
A Systematic Investment Plan (SIP) lets you invest a fixed amount in mutual funds every month. SIPs benefit from rupee cost averaging — you buy more units when markets are low and fewer when high — reducing risk over time.
Formula: M = P × {[(1 + r)ⁿ – 1] / r} × (1 + r) where M = Maturity, P = Monthly investment, r = monthly rate, n = months.
- SIP
- Systematic Investment Plan — regular fixed investment in mutual funds.
- NAV
- Net Asset Value — price per unit of a mutual fund on any given day.
- Rupee Cost Averaging
- Buying more units when cheap, fewer when expensive, lowering average cost.
- CAGR
- Compound Annual Growth Rate — annualized return on investment.
- Equity Fund
- Mutual fund investing primarily in stocks. Higher risk, higher returns.
- Debt Fund
- Mutual fund investing in bonds. Lower risk, stable returns (~6–8%).
Understanding GST in India
Goods and Services Tax (GST) is India's unified indirect tax. It replaced VAT, Service Tax, and Excise Duty in July 2017. GST follows a dual structure — CGST (Central GST) + SGST (State GST) for intra-state, and IGST for inter-state transactions.
- GST Exclusive
- Price before adding GST. Final price = Base + GST amount.
- GST Inclusive
- Price already includes GST. Use reverse calculation to extract base price.
- CGST
- Central GST — half of total GST, goes to central government.
- SGST
- State GST — half of total GST, goes to state government.
- IGST
- Integrated GST for inter-state supply — entire amount to centre.
- ITC
- Input Tax Credit — businesses can offset GST paid on purchases.
Income Tax Guide — FY 2025–26
India has two tax regimes from FY 2024–25. The New Regime is the default with lower slab rates but no deductions. The Old Regime allows deductions under 80C, HRA, home loan interest etc. Income up to ₹7 lakh is effectively tax-free under New Regime due to Section 87A rebate.
- New Regime Slabs
- 0–3L: 0% | 3–7L: 5% | 7–10L: 10% | 10–12L: 15% | 12–15L: 20% | 15L+: 30%
- Standard Deduction
- ₹75,000 auto-deduction from salary under New Regime (FY 2025–26).
- Section 87A Rebate
- Zero tax for income up to ₹7L under New Regime after rebate.
- Section 80C
- Up to ₹1.5L deduction — PF, PPF, ELSS, life insurance, home loan principal.
- Health & Education Cess
- 4% cess on total income tax (includes surcharge if applicable).
- Surcharge
- Extra tax on income above ₹50L — 10%, 15%, 25%, or 37% depending on income.
The Power of Compound Interest
Compound interest is interest calculated on both the initial principal and the accumulated interest. Albert Einstein reportedly called it the "eighth wonder of the world." The more frequently interest compounds, the faster your money grows.
- Simple vs Compound
- Simple interest = P × R × T. Compound = P × (1 + r/n)^(nt). Compound always wins over time.
- Compounding Frequency
- Daily compounding grows fastest. Monthly is standard for most savings products.
- Rule of 72
- Divide 72 by annual rate to estimate years to double money. At 8%: 72/8 = 9 years.
- Effective Annual Rate
- True annual return accounting for compounding. Always higher than stated rate.
Fixed Deposit vs Recurring Deposit
Fixed Deposit (FD) — invest a lump sum for a fixed period at a guaranteed rate. Safe, predictable, and covered by DICGC insurance up to ₹5 lakh. Recurring Deposit (RD) — invest a fixed amount monthly. Ideal for salaried individuals who want to save regularly at FD-like rates.
- DICGC Insurance
- Deposits up to ₹5 lakh per bank are insured by DICGC under RBI.
- TDS on FD
- 10% TDS if interest > ₹40,000/yr (₹50,000 for seniors). Submit Form 15G/H to avoid.
- Premature Withdrawal
- Usually allowed with a 0.5–1% penalty on the applicable rate.
- Senior Citizen Rate
- Banks offer 0.25–0.50% higher FD rates to senior citizens.
PPF — India's Best Long-Term Tax-Free Investment
Public Provident Fund (PPF) is a government-backed savings scheme under Ministry of Finance. It offers EEE status — Exempt on investment, Exempt on interest, Exempt on maturity. Minimum investment ₹500/year, maximum ₹1.5 lakh/year. Current rate: 7.1% p.a. (compounded annually).
- EEE Status
- Investment, interest earned, and maturity amount are all tax-free under IT Act.
- Lock-in Period
- 15 years minimum. Can be extended in 5-year blocks with or without contributions.
- Partial Withdrawal
- Allowed from 7th year onwards — up to 50% of balance at end of 4th year.
- Loan Facility
- Loan against PPF available from 3rd to 6th year at 2% above PPF rate.
- Section 80C
- PPF contribution up to ₹1.5L qualifies for 80C deduction (under Old Regime).
Understanding Mortgages
A mortgage is a loan secured against property. In the US, the standard mortgage term is 30 years. Your monthly payment (PITI) includes Principal, Interest, Property Taxes, and Insurance. A larger down payment reduces the loan amount, monthly payment, and eliminates PMI (Private Mortgage Insurance) if ≥20%.
- LTV Ratio
- Loan-to-Value ratio. Below 80% avoids PMI requirement in the US.
- Fixed vs ARM
- Fixed rate stays constant. Adjustable-rate mortgage (ARM) changes after initial period.
- PMI
- Private Mortgage Insurance — required when down payment < 20% of home value.
- Refinancing
- Replacing existing mortgage with new one — usually to get lower interest rate.
- APR
- Annual Percentage Rate — includes interest + fees. Better comparison metric than rate alone.
Lump Sum vs SIP — Which is Better?
A lump sum investment means investing a large amount at once. It works best when markets are at low valuations. SIP is better for regular salaried investors as it reduces timing risk. Historically, lump sum beats SIP in bull markets; SIP wins in volatile/falling markets.
- Lump Sum
- One-time investment. Full amount earns compound returns from day one.
- XIRR
- Extended Internal Rate of Return — accurate return measure for irregular cash flows.
- LTCG
- Long-Term Capital Gains — equity gains taxed at 12.5% above ₹1.25L after 1 year.
- STCG
- Short-Term Capital Gains — equity gains taxed at 20% if sold within 1 year.
How Inflation Affects Your Money
Inflation is the rate at which the general price level rises, reducing your purchasing power over time. India's average inflation (CPI) hovers around 5–6% p.a. At 6% inflation, ₹1 lakh today will need ₹1.79 lakh in 10 years to buy the same things. Any investment earning less than inflation loses real value.
- CPI
- Consumer Price Index — measures price change of a fixed basket of goods and services.
- Real Return
- Return after adjusting for inflation. Real return = Nominal return – Inflation rate.
- Purchasing Power
- Quantity of goods and services that money can buy. Decreases with inflation.
- Inflation Hedge
- Assets that maintain value during inflation — gold, real estate, equity.
HRA Exemption — Section 10(13A)
House Rent Allowance (HRA) is tax-exempt under Section 10(13A) if you're a salaried employee paying rent. The exempt amount is the minimum of three values: actual HRA received, rent paid minus 10% of basic salary, or 50% (metro) / 40% (non-metro) of basic salary. Note: HRA exemption is only available under the Old Tax Regime.
- Metro Cities
- Delhi, Mumbai, Kolkata, Chennai — 50% of basic salary considered for exemption.
- Rent Receipt
- Required if rent > ₹1 lakh/year. Landlord's PAN mandatory above ₹1L/year.
- Section 80GG
- Deduction for those not receiving HRA — if you pay rent but no HRA in salary.
Gratuity — Your Retirement Benefit
Gratuity is a one-time payment to employees who have completed at least 5 years of service with an employer. It is calculated as: (15 × Last Salary × Years of Service) ÷ 26. The maximum tax-free gratuity is ₹20 lakh. Any amount above is added to taxable income.
- 15/26 Formula
- 15 days salary per year of service. 26 = working days in a month (excluding Sundays).
- 5-Year Rule
- Minimum 5 years of continuous service required. 4 years 240 days also counts.
- Tax-Free Limit
- Up to ₹20 lakh gratuity is completely tax-free for private sector employees.
Calculating & Growing Your Net Worth
Net Worth = Total Assets – Total Liabilities. It's the most accurate measure of your financial health. A positive and growing net worth means you're building wealth. Tracking it annually reveals whether your financial decisions are working. Most financial planners suggest your net worth should equal roughly your age × annual income ÷ 10 as a benchmark.
- Assets
- What you own — cash, investments, property, vehicles, gold, business value.
- Liabilities
- What you owe — home loan, car loan, personal loan, credit card debt.
- Debt-to-Asset Ratio
- Below 50% is healthy. Below 30% is excellent. Above 70% indicates financial stress.
- Liquid Net Worth
- Assets easily convertible to cash — excludes real estate and locked-in investments.