Guides & Answers
Direct answers to common questions, with the math shown and a tool to run your own numbers.
How Much Is $25 an Hour a Year?
$25 an hour is $52,000 a year at 40 hours a week. See monthly, biweekly, weekly, and after-tax pay, plus part-time and overtime examples.
Latest guides
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Money & Pay
What Is Net Pay?
Net pay is your take-home pay after taxes and deductions. See what comes out of a paycheck, a 2026 example from gross to net, and how to change your net pay.
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Money & Pay
What Is Gross Pay?
Gross pay is your total earnings before taxes and deductions. Learn how gross pay is calculated for hourly and salaried workers, what's included, and where to find it.
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Small Business
Markup vs. Profit Margin: What's the Difference?
Markup is profit divided by cost. Margin is profit divided by price. See the difference with examples, a conversion table, and formulas to switch between them.
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Work & Career
How to Compare Two Job Offers
Compare two job offers beyond salary: convert to an effective hourly rate, value benefits and retirement match, count commute costs and time off. Includes a worked example.
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Everyday Math
How to Calculate a Percentage
How to calculate a percentage of a number, what percent one number is of another, and percent change. Simple formulas, everyday examples, and mental math tricks.
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Small Business
How to Calculate Profit Margin
Learn how to calculate profit margin with a simple formula. Covers gross, operating, and net margin, worked examples, and the mistakes that throw pricing off.
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Work & Career
How to Calculate Overtime Pay
How to calculate overtime pay step by step: find your overtime rate, multiply by overtime hours, and add regular pay. Includes salaried nonexempt and bonus examples.
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Personal Finance
How Much Should I Save From Each Paycheck?
A practical way to decide how much to save from each paycheck, with percentage guidelines, a per-paycheck table, and an order of priorities for where the money goes.
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Money & Pay
How Much Is $30 an Hour a Year?
$30 an hour is $62,400 a year at 40 hours a week. See monthly, biweekly, and weekly pay, after-tax estimates, and part-time and overtime examples.