The UtilityApps Blog
Deep dives, calculators, and practical tutorials for the tools you actually use. Free, no signup, written by people who use them daily.
DEV-MID · rectangleUnderstand compound interest with the full formula, worked examples, and the rule of 72. See how compounding frequency changes the result — plus a free calculator.
How much mortgage can you afford on a $100k salary? The 28/36 rule, debt-to-income, down payment scenarios, and city comparisons — with a free calculator.
Credit card payoff strategies compared — debt avalanche vs snowball — with real-number examples, the psychology behind each, and when each method wins.
How to calculate take-home pay after tax in 2026. Federal and state tax, FICA, deductions explained, with US, UK and Canada compared — plus a free calculator.
Step-by-step guide to calculating monthly mortgage payments, including PITI, PMI, and the formula that lenders actually use. Examples for the US, UK, and Canada.