Complete tool library

All finance calculators

Search by goal, filter by financial topic, and open a calculator with useful outputs, transparent assumptions, and downloadable data.

Tools33 live calculators
AccessFree, no account required
OutputCharts, tables, CSV and print
Mortgage & Property Calculators Popular

Mortgage Calculator

Calculate mortgage payments, principal and interest, housing costs, and amortization with taxes and insurance.

Loan Calculators Popular

Loan Calculator

Estimate monthly payments, total interest, payoff time, and amortization for standard installment loans.

Savings Calculators Popular

Compound Interest Calculator

Project future value, total contributions, and compounding growth with optional monthly additions and inflation adjustment.

Retirement Calculators Popular

Retirement Calculator

Project retirement savings, estimated retirement income, and the gap between your target lifestyle and projected portfolio.

Tax Calculators Popular

Income Tax Estimator

Estimate taxable income, income tax, mandatory contributions, effective deductions, and take-home pay from your own rate assumptions.

Loan Calculators

EMI Calculator

Calculate equated monthly installments, interest outgo, and loan balance reduction for EMI-based loans.

Investment Calculators Popular

SIP Calculator

Project systematic investment plan growth with monthly contributions, step-up assumptions, and long-term return estimates.

Currency & Inflation Calculators Popular

Inflation Calculator

Measure future cost, lost purchasing power, and inflation-adjusted value over time.

Savings Calculators Popular

Savings Calculator

Estimate how regular savings contributions grow over time and whether your target balance is on track.

Investment Calculators Popular

ROI Calculator

Measure return on investment, net profit, and annualized performance from a starting cost and ending value.

Loan Calculators Popular

Debt-to-Income Calculator

Estimate current and projected debt-to-income ratio before taking on a new loan or housing payment.

Loan Calculators Popular

Loan Comparison Calculator

Compare two loan rates and terms side by side, including payments, fees, extra payments, interest, and payoff timing.

Retirement Calculators Popular

Safe Withdrawal Rate Calculator

Estimate first-year retirement income and test a deterministic inflation-adjusted withdrawal path against a portfolio.

Savings Calculators Popular

Savings Goal Calculator

Calculate the monthly contribution needed to reach a target after existing savings, returns, fees, and inflation.

Education & Personal Finance Calculators

Debt Payoff Calculator

Estimate payoff time, total interest, and balance reduction for a debt balance under a fixed monthly payment plan.

Income & Budget Calculators Popular

50/30/20 Budget Calculator

Turn monthly take-home income into needs, wants, and savings or debt targets, then compare them with current commitments.

Banking & Interest Calculators

Credit Card Payoff Calculator

Estimate credit card payoff time, interest cost, and the effect of paying more than the planned monthly amount.

Savings Calculators Popular

Emergency Fund Calculator

Estimate how much emergency cash reserve you need, how many months of expenses you already cover, and how long it may take to reach the target.

Banking & Interest Calculators Popular

APR Calculator

Estimate a loan's annual percentage rate, monthly cash outflow, finance charge, and fee impact from the amount borrowed and repayment terms.

Advanced / Professional Calculators Popular

Future Value Calculator

Project a lump sum and monthly contributions with compounding, fees, inflation, and contribution timing.

Investment Calculators Popular

Investment Fee Calculator

Measure how annual investment fees reduce long-term portfolio value, including direct fees, lost compounding, contributions, and inflation-adjusted value.

Mortgage & Property Calculators Popular

Refinance Calculator

Compare current mortgage terms with a refinance offer to estimate payment changes, interest savings, and break-even timing.

Investment Calculators

CAGR Calculator

Calculate compounded annual growth rate between a starting value and an ending value over time.

Advanced / Professional Calculators Popular

NPV Calculator

Calculate net present value, profitability index, and discounted payback from an investment and growing annual cash flows.

Tax Calculators

VAT Calculator

Calculate tax-inclusive and tax-exclusive totals for VAT, sales tax, or GST-style percentage taxes.

Advanced / Professional Calculators Popular

Present Value Calculator

Discount a future lump sum and recurring annual cash flows into today's value with a transparent schedule.

Income & Budget Calculators

Salary Calculator

Convert hourly pay into monthly and annual income and estimate take-home pay with a basic tax assumption.

Banking & Interest Calculators Popular

APY Calculator

Estimate annual percentage yield, ending balance, and interest earned from a nominal rate and compounding schedule.

Mortgage & Property Calculators

Rent vs Buy Calculator

Compare the estimated cost of renting with the estimated net cost of buying over a planned time horizon.

Business & Commerce Calculators

Profit Margin Calculator

Measure gross profit, margin, markup, and cost structure from revenue and cost inputs.

Investment Calculators

Net Worth Calculator

Measure total assets, total liabilities, and current net worth with a clear balance-sheet style summary.

Business & Commerce Calculators

Break-Even Calculator

Calculate break-even units, break-even revenue, and contribution margin from fixed and variable costs.

Advanced / Professional Calculators

DCF Calculator

Estimate discounted cash flow value using projected cash flows, discount rate, and terminal growth assumptions.

How to choose the right finance calculator

Start with the decision you need to make rather than the product name alone. If the question is affordability, focus on monthly cash flow and required buffers. If the question is total cost, use a schedule that separates principal, interest, fees, and time. If the question is long-term growth, compare direct contributions with compounded returns and inflation-adjusted value.

Closely related calculators can answer different parts of the same decision. A mortgage calculator estimates ownership cost and amortization, while a rent-versus-buy calculator tests whether the expected stay period and transaction costs change the conclusion. ROI measures return relative to cost, while CAGR normalizes start and end values across time. Use related links on each result page to build a complete comparison.

Use scenarios instead of false precision

Financial outcomes depend on assumptions that will not remain perfectly stable. Build a realistic base case, then test one conservative and one optimistic case. Change one major input at a time. This makes the result easier to explain and exposes whether the plan is resilient or dependent on a narrow forecast.