Financial Utility Articles (9)
Break-Even Analysis Guide: Units, Revenue and Safety Margin
Work out your break-even point in units and revenue, see how price, cost and fixed costs move it, and plan a profit target and margin of safety with worked examples.
50/30/20 Budget Guide: Set Targets and Compare Real Spending
Learn how the 50/30/20 rule works, what counts as a need, want or saving, how to adjust the split for high living costs, and how to compare it with what you actually spend.
Car Loan Payment Guide: Price, Tax, Trade-In and Loan Term
See how sales tax, down payment and trade-in set the amount you finance, how term and rate change the payment and total interest, and what a car loan estimate leaves out.
CD and Fixed Deposit Guide: APY, Terms and Early Withdrawal
How to project a CD or fixed deposit from its APY: maturity value for any term, APY vs stated rate, term comparisons, early withdrawal penalties and what the calculator leaves out.
Compound Interest Guide: How Savings Really Grow
Understand compound interest with worked examples: monthly contributions, starting early vs saving more, the effect of rate and inflation, and how to read the calculator results.
Debt Snowball vs Avalanche Guide: Pay Off Several Debts Faster
Compare the debt snowball and avalanche methods with real numbers: payoff time, total interest, payoff order, and how extra payments change both. Includes the tool's assumptions.
How Much Emergency Fund Do You Need? A Risk-Based Guide
Go beyond "3 to 6 months": see how income, dependents, job stability and health coverage change your target, and how long it takes to save it at different monthly amounts.
FIRE Calculator Guide: Your Number and Timeline
How the FIRE number and years-to-FIRE are calculated, with worked examples and sensitivity tables for spending, savings, returns and withdrawal rate, plus coast FIRE and the model's limits.
Freelance Hourly Rate Guide: Work Backwards From Take-Home Pay
How the Freelance Hourly Rate Calculator turns a take-home target into an hourly rate, with a step-by-step build-up, sensitivity tables, and an honest look at its flat-tax assumption.