Business Calculators & Decision Tools
Calculate break-even points, profit margins, markups, and pricing targets to run a healthier business.
Available Calculators
Break-Even Calculator
Find how many units you must sell to cover costs. Add a target profit, see every step, and keep your numbers private.
Profit Margin Calculator
Work out gross, operating and net margin from revenue and costs, or find the price that hits a target margin. Steps shown.
Markup vs Margin Calculator
Convert markup to margin and back in one step. See why a 50% markup is only a 33% margin, with a full conversion table.
Percentage Change Calculator
Calculate percent increase, decrease or difference between two numbers, with Excel formulas and worked examples.
Topic Guides & Frameworks
How to Calculate Break-Even Point: Formula, Steps, and Real Examples
Learn how to calculate break-even point in units and revenue. Real small business examples, contribution margin steps, and common traps.
Markup vs Margin: The Exact Difference, Formulas & Conversion Table
Understand the critical difference between markup and margin. Includes conversion formulas, pricing traps, and a handy percentage lookup chart.
Gross vs Operating vs Net Profit Margin: Definitions & Real Examples
Understand the three levels of profitability. Learn how COGS, overhead, taxes, and interest shape gross, operating, and net margins.
Google AdSense Eligibility in 2026: Requirements, Approval, and Rejection Fixes
Official 2026 Google AdSense eligibility requirements: website approval standards, verification steps, low-value content fixes, and common rejection reasons.