11 calculators. Every one shows its work.

All free, none need an account, and each runs the same engine the app uses — so the number you get here is the number you’d get there.

Personal Finance

Emergency fundCalculate how much you need in your emergency fund and track progress toward your goalRetirement / 401(k)Project your 401(k) balance at retirement, including employer match and growthCompound interestSee how your savings grow over time with compound interest and contributions

Business

Break-Even PointFind out exactly how many units you need to sell to cover all costs and reach profitabilityStartup CostEstimate total startup costs with industry templates and funding gap analysisCash FlowProject your business cash flow over time with growth rate modelingPricingSet the right price for your products and services with competitive analysisEmployee vs ContractorCompare the true total cost of hiring employees versus independent contractorsProfit MarginCalculate gross, operating, and net profit margins with industry benchmarks

Loans

LoanCalculate payments, true APR, and the initial and remaining loan amount for any loan type

Investment

ROICalculate annualized return on investment with inflation and tax adjustments