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.
433 calculators available
Inflation Calculator — Purchasing Power
Calculate how inflation erodes purchasing power over time. See what your money will be worth in the future and how much things will cost.
Information Ratio Calculator — Active Manager Skill
Compute the information ratio from active return and tracking error or from volatility and correlation, with verdict bands and t-statistic confidence.
Interest Coverage Ratio Calculator — EBIT & EBITDA
Calculate interest coverage ratio from EBIT, D&A, and interest expense. See EBITDA and pro forma coverage, covenant headroom at 2.0x, and verdict bands.
Interest Only Mortgage Calculator — Payment & Shock
Compute the interest-only monthly payment on an IO mortgage, plus the amortizing payment and payment shock you face when the IO period ends.
Interest Rate Calculator — Simple Interest Solver
Solve for the interest rate, total interest, time, or principal with the simple interest formula. Enter what you know and get the missing value.
Interest Rate Parity Calculator — Forward FX Rates
Price the no-arbitrage forward from spot and two interest rates, read forward points, and test a dealer quote for covered arbitrage profit.
IRR Calculator — Internal Rate of Return With Cash Flows
Find the internal rate of return on up to five yearly cash flows, compare IRR against your hurdle rate, and check the project NPV.
Intrinsic Value Calculator — Graham Formula
Estimate a stock's intrinsic value with the Benjamin Graham formula. Enter EPS, growth, and AAA bond yield for fair value plus a margin of safety buy price.
Inventory Turnover Calculator — Turns & Days on Hand
Enter COGS and inventory levels to calculate your inventory turnover ratio, days of inventory on hand, and how your number stacks up by industry.
Investment Calculator — Lump Sum vs DCA Comparison
Compare investing a lump sum all at once vs dollar cost averaging monthly. See both endings, the dollar gap, and when DCA actually wins.
Investment Fees Calculator — Total Fee Drag Over Time
Stack expense ratios, advisory AUM fees, and account fees to see the total dollar cost and the ending balance gap versus a low-cost benchmark.
IRA Calculator — Project Contributions, Growth & Limits
Project your IRA balance with 2026 limits and age-50 catch-up, plus an after-tax Roth vs Traditional verdict from two tax rates.
Jensen's Alpha Calculator — Measure Risk-Adjusted Returns
Calculate Jensen's Alpha to see if a portfolio beat the market on a risk-adjusted basis. Enter returns, beta, and risk-free rate for instant results.
Jumbo Loan Calculator — Payment & Limit Check
Check whether your mortgage crosses the conforming loan limit and estimate jumbo monthly payments, reserves, DTI income needs, and cash to close.
Direct Labor Cost Calculator — Burden Rate & Cost Per Unit
Turn base wages into fully loaded labor cost per unit with payroll taxes, benefits, and workers' comp — includes monthly totals and burden rate.
Labor Force Participation Rate Calculator — LFPR & EPOP
Compute labor force participation rate, employment-to-population ratio, and unemployment rate from employed, unemployed, and not-in-labor-force counts.
Land Loan Payment Calculator — Estimate Payments & Balloon
Estimate monthly land loan payments, balloon payoff balances, and total interest for improved, unimproved, or raw land financing.
LCR Calculator — Liquidity Coverage Ratio Explained
Calculate the liquidity coverage ratio (LCR) from HQLA and 30-day net cash outflows, with Basel III haircuts and caps applied.