Financial
Browse all 51 financial tools
What is financial calculators?
Financial calculators are tools that use mathematical formulas to help you plan, analyze, and optimize money decisions — from calculating loan payments and investment returns to tax estimates and retirement projections.
Alimony Calculator
Estimate monthly spousal support using income disparity and marriage length. Educational use only.
Amortization Calculator
Generate a full amortization schedule showing each payment's principal and interest split.
Auto Loan Calculator
Calculate auto loan payments with down payment, trade-in, and amortization schedule.
Break-Even Calculator
Find break-even units and revenue. Analyze profit at any volume with contribution margin.
Capital Gains Tax Calculator
Calculate capital gains tax with short-term and long-term rates. Includes NIIT and residence exclusion.
CAPM Calculator
Calculate expected returns using CAPM based on beta, risk-free rate, and market return.
Cash Flow Calculator
Calculate cash flow from operations, investing, and financing to analyze business health.
CD (Certificate of Deposit) Calculator
Calculate CD interest earned and maturity value. Compare rates and terms.
Child Support Calculator
Estimate child support using the Income Shares Model based on both parents' incomes.
Commission Calculator
Calculate flat, tiered, or split sales commissions with tax withholding estimates.
Compound Interest Calculator
Calculate compound interest with contributions, compounding frequency, and year-by-year growth breakdown.
Credit Card Payoff Calculator
Calculate credit card payoff time and interest. Compare minimum vs. extra payments.
Cryptocurrency Converter
Convert between BTC, ETH, and 20+ cryptocurrencies with reference rates. Educational use.
Currency Converter
Convert between major world currencies instantly. Quick reference tables and popular pairs included.
Debt Snowball/Avalanche Calculator
Compare snowball and avalanche debt payoff strategies side by side to find the fastest, cheapest path.
Depreciation Calculator
Calculate depreciation with straight-line, DDB, SYD, and MACRS methods. Full schedule included.
Discount Calculator
Calculate final prices after single or stacked discounts. See savings and effective discount percentage.
Dividend Calculator
Calculate dividend income, yield, and DRIP growth projections over time.
Down Payment Calculator
Calculate down payment needed and savings timeline. Compare 3%, 5%, 10%, 20% scenarios.
DSCR Calculator
Calculate DSCR to see if your income covers debt payments for loan qualification.
DTI Calculator
Calculate DTI ratio to see if you qualify for a mortgage based on your income and debts.
Estate Tax Calculator
Estimate federal estate tax with 2024 exemption and progressive brackets (18–40%).
FIRE Calculator
Calculate your FIRE number and years to financial independence using the 4% rule.
Gold Price Calculator
Calculate gold value by weight and karat purity using a reference spot price.
Home Equity Calculator
Calculate home equity, LTV ratio, and HELOC borrowing eligibility based on your home value.
Hourly to Salary Converter
Convert hourly rates to annual salary with overtime, PTO, and take-home estimates.
Income Tax Calculator
Calculate federal income tax with 2024 brackets, deductions, and credits.
Inflation Calculator
Calculate purchasing power changes using historical CPI data. See what money was worth then vs. now.
IRR Calculator
Find the discount rate that makes NPV zero. Compare IRR to your required rate of return.
Lease vs. Buy Calculator
Compare total costs of leasing vs. buying a vehicle with equity and break-even analysis.
Loan/EMI Calculator
Calculate monthly EMI, total interest, and repayment schedule for personal, auto, or any loan.
LTV Calculator
Calculate LTV ratio to determine PMI requirements, equity, and lending eligibility.
Markup & Margin Calculator
Calculate markup, margin, cost, and selling price. Convert between markup and margin percentages.
MIRR Calculator
Calculate MIRR with separate finance and reinvestment rates for more realistic returns.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and view amortization schedules with optional costs.
Net Worth Calculator
Calculate your net worth from assets and liabilities. Track your financial health.
NPV Calculator
Calculate NPV to evaluate investments. Discount future cash flows and determine profitability.
Payback Period Calculator
Calculate how long it takes to recover your investment with cumulative cash flow analysis.
Profit Margin Calculator
Calculate gross, operating, and net profit margins with income statement breakdown.
Rent Affordability Calculator
Calculate max affordable rent using the 30% rule and 50/30/20 framework based on your income.
Rental Property ROI Calculator
Calculate cap rate, cash-on-cash return, NOI, and monthly cash flow for rental properties.
Retirement/401k Calculator
Project retirement savings with 401(k) contributions, employer match, and growth.
ROI Calculator
Calculate ROI percentage, annualized returns, and total gain/loss for any investment.
Salary/Paycheck Calculator
Calculate take-home pay per paycheck after all taxes and deductions.
Sales Tax Calculator
Calculate total with tax or extract tax from a total. Quick tax rate buttons for common rates.
Savings Goal Calculator
Calculate monthly savings needed to reach any financial goal with compound interest.
Social Security Benefits Calculator
Estimate Social Security monthly benefit using AIME, bend points, and your claiming age.
Stock Profit/Loss Calculator
Calculate stock profit/loss with commissions, capital gains tax estimate, and annualized return.
Tip Calculator
Calculate tips easily with quick percentage options and bill splitting for groups.
VAT Calculator
Add or remove VAT from any price. Supports UK, EU, and custom rates.
Working Capital Calculator
Calculate working capital and liquidity ratios to analyze business financial health.
Formula & Methodology
Did you know? The time value of money (TVM) principle — that a dollar today is worth more than a dollar tomorrow — is the foundational concept behind nearly every financial calculator on this page, from compound interest to NPV and IRR.
Sources
- U.S. Securities and Exchange Commission (SEC) — Investor.gov compound interest explainer
- Consumer Financial Protection Bureau (CFPB) — Mortgage and loan calculation guidelines