Understand the numbers
behind the decision.
Practical financial guides with formulas, worked examples and links to the tools that put them to work.
Break-Even ROAS Formula: Find Your Advertising Threshold
Calculate break-even ROAS from contribution margin, check a worked example, and see which variable costs to include before setting an advertising target.
Read the guide →Marketing · GUIDECAC Payback Period: Calculate Months to Recover Acquisition Cost
Calculate CAC payback using monthly customer contribution. Check a five-month example, compare assumptions, and understand retention and cash timing limits.
Read the guide →Marketing · GUIDECompare Campaign Profitability With Consistent Assumptions
Compare campaign contribution with clear cost and attribution assumptions. Work through two campaigns, test downside scenarios, and document your decision.
Read the guide →Marketing · GUIDECPM, CPC and CTR: Connect the Three Advertising Metrics
Connect CPM, CPC and CTR with consistent campaign data. Follow worked examples, avoid percentage errors, and compare click costs before judging results.
Read the guide →Kitchen Costing · GUIDEFood Margin vs. Markup: Which Percentage Sets the Price?
Compare food margin and markup with a $6 recipe-cost example. Convert between the percentages and avoid confusing money after ingredients with net profit.
Read the guide →Pricing · GUIDEHow Discounts Affect Profit: Calculate the Sales You Need
See how a discount changes unit contribution and margin. Calculate the sales uplift needed to preserve profit and check where volume cannot close the gap.
Read the guide →E-commerce Metrics · GUIDEHow to Calculate Average Order Value (AOV): Formula, Examples, and Growth Strategies
Learn how to calculate average order value, choose the right revenue and order definitions, interpret AOV, and improve it without sacrificing profit.
Read the guide →Kitchen Costing · GUIDEHow to Calculate Recipe Cost Including Prep Waste
Calculate recipe cost using purchase prices, usable yield, and saleable portions. Follow a clear worked example and avoid counting ingredient waste twice.
Read the guide →Kitchen Costing · GUIDEHow to Price a Custom Cake with Labor and Overhead
Price a custom cake with a worked example covering ingredients, packaging, labor, overhead, and margin. Test how extra hours and fewer orders change cost.
Read the guide →Kitchen Costing · GUIDEHow to Scale a Recipe Without Losing Portion Control
Scale a recipe with a conversion factor, adjust for changing portion sizes, and check the batch cost. Keep equipment and cooking assumptions separate.
Read the guide →Kitchen Costing · GUIDEHow to Set a Menu Price from Food Cost
Set a starting menu price from ingredient cost and a food cost target, then check labor, overhead, price rounding, and the money left from each serving.
Read the guide →Kitchen Costing · GUIDEHow to Update Menu Prices When Ingredient Costs Rise
Recalculate recipe costs after ingredient price increases, then compare prices that preserve a food cost target or a dollar remainder with worked examples.
Read the guide →Profitability · GUIDEOperating Margin: Formula, Examples & How to Improve It
Learn how to calculate operating margin, interpret the result, compare it with other profit margins, and improve operating efficiency with practical examples.
Read the guide →Marketing · GUIDEROAS vs. ROI: The Difference Costs Make
Understand ROAS vs. ROI through a worked campaign example. Define revenue, costs and investment consistently to see why high ROAS can still lose money.
Read the guide →Profitability · GUIDEContribution Margin Formula: Calculate It, Understand It & Use It
Learn the formula with clear total, per-unit, and ratio examples, then apply it to pricing and break-even decisions.
Read the guide →Put the explanation to work.
Every calculator includes its own formula, example and FAQ.