Finance Calculators
Financial decisions have long-term consequences. A half-percent difference in mortgage rate can cost tens of thousands over the life of a loan. Not understanding compound interest means underestimating how much your savings can grow — or how fast debt accumulates. Our finance calculators cover the numbers that matter most: mortgage payments, compound growth, investment returns, loan payoffs, and retirement planning. Whether you are buying your first home, comparing loan offers, or building an emergency fund, these tools help you run the numbers before you commit your money.
254 calculators available
DTI Calculator — Max Loan Payment at Your Ratio
Backsolve your target DTI: find the maximum monthly payment and loan size your ratio allows, or the income needed to qualify.
DuPont Analysis Calculator — Break Down ROE
Split ROE into net profit margin, asset turnover and equity multiplier to see which lever really drives your returns.
Effective Annual Rate Calculator — EAR From Nominal APR
Convert a stated annual rate to its true effective annual rate (EAR) across six compounding frequencies, with dollar cost impact.
Early Retirement Calculator — FIRE Number & Date
Compute your FIRE number and the exact age you can stop working, based on annual spending, savings, real return, and a safe withdrawal rate.
Earned Value Management Calculator — SPI, CPI, EAC
Compute SPI, CPI, schedule and cost variance, EAC, ETC, VAC, and TCPI from planned value, earned value, and actual cost.
Earnest Money Calculator — Deposit & Cash to Close
Estimate your earnest money deposit, compare it to your market benchmark, and see exactly what cash remains due at closing after the credit.
EBIT Calculator — Operating Income & Margin
Compute EBIT from the top down or up from net income, with margin, EBITDA, and interest coverage outputs.
EBITDA Calculator — From Net Income to Margin
Calculate EBITDA from net income, interest, taxes, depreciation and amortization. Get EBIT, adjusted EBITDA, margin and interest coverage.
EBITDA Margin Calculator — Benchmarks by Industry
Enter revenue and EBITDA to get your margin instantly, compared against median and top-quartile benchmarks for your industry.
EBITDA Multiple Calculator — Value Your Business
Turn EBITDA, a multiple, and net debt into enterprise value and equity value, with indicative multiple benchmarks by industry.
EBT Calculator — Pretax Earnings, Margin & Tax Rate
Calculate earnings before taxes (EBT) from net income or EBIT. Get pretax margin, implied EBIT, and effective tax rate instantly.
EIDL Calculator — Disaster Loan Payment & Payoff
Compute EIDL monthly payments, deferment interest, and early payoff savings on your 3.75% SBA economic injury disaster loan.
Economic Profit Calculator — True Profit After All Costs
Subtract explicit costs, a forgone salary, and a capital charge from revenue to see if your business truly beats your next-best alternative.
EVA Calculator — Economic Value Added & Capital Charge
Calculate economic value added from EBIT, tax rate, invested capital, and WACC. See NOPAT, capital charge, ROIC, and your value spread.
Effective Annual Yield Calculator — T-Bills & Bonds
Convert T-bill prices, money market yields, and semi-annual bond quotes into true effective annual yield for side-by-side comparison.
Effective Corporate Tax Rate Calculator — Book vs Cash ETR
Compute corporate effective tax rate from pre-tax income, statutory rates, credits, and deferred taxes. Compare book vs cash ETR instantly.
Electricity Cost Calculator — Estimate Appliance Energy Usage
Calculate monthly and annual electricity costs for any appliance based on wattage, usage hours, and your local kWh rate.
Electricity Cost Per Use Calculator — Appliance Running
Calculate exactly how much it costs to run any appliance once. Enter wattage, hours, and your electricity rate for a precise cost estimate.