#profit-margins
Profit Margins
Calculate, benchmark, and improve profit margins across your business
Brewery Bookkeeping: Cost Per Barrel, TTB Excise Tax, and the Shrinkage That Makes COGS Lie
How to build a craft brewery's books so cost of goods sold tells the truth—a production chart of accounts, a true cost-per-barrel formula using net barrels, TTB excise tax rates ($3.50/barrel on the first 60,000), and the 3–8% shrinkage that inflates margin if ignored.
Common-Size and Trend Analysis: Turning Financial Statements Into Percentages to Catch Margin Erosion
Common-size analysis restates every line of a financial statement as a percentage of revenue or total assets; trend analysis indexes the same lines across years. Together they expose cost creep, margin erosion, and balance sheet drift that raw dollars hide, and they make a $2M business meaningfully comparable to a $50M peer.
DuPont Analysis Demystified: How to Decompose Return on Equity Into the Three Levers Owners Actually Control
A practical guide to DuPont Analysis — how to split return on equity into net margin, asset turnover, and the equity multiplier (3-step), or further into tax and interest burdens (5-step), with worked examples, trade-offs, and the pitfalls that catch people who apply it mechanically.
Markup Versus Margin: The Pricing Math Small Businesses Get Wrong
A 50% markup is a 33.3% margin, not a 50% margin — markup divides profit by cost, margin divides it by selling price. This guide gives the conversion formulas, a reference table, and shows how the mix-up quietly costs small businesses thousands.
Staffing Agency Accounting: Bill Rate, Burden, and the Payroll-to-Payment Gap
How staffing agencies should price bill rates above fully burdened pay rates, read gross margin by placement type, and book invoice factoring without hiding the spread. Includes burden components (FICA, FUTA, SUTA, workers' comp), a placement-aware chart of accounts, and the DSO math behind payroll funding gaps.
The Rule of 40 for SaaS Founders: Calculation, Benchmarks, and When to Ignore It
The Rule of 40 says a healthy SaaS company's revenue growth rate plus profit margin should clear 40%. This guide covers how to calculate it, which margin metric to use, 2026 benchmarks (median score around 12%), the Rule of X variant, and when the rule does not apply.
Break-Even Analysis: How Many Units Must a Small Business Sell to Profit?
Break-even point in units equals total fixed costs divided by contribution margin per unit. This guide shows how to separate fixed and variable costs, compute contribution margin, find your break-even sales volume, and measure margin of safety.
Break-Even Analysis and Contribution Margin: The Formula Every Small Business Should Run Monthly
A working guide to break-even analysis covering the contribution margin formula, multi-product weighted approach, margin of safety thresholds, and four pricing scenarios — with a candle-maker example showing why a 10% price cut can erase 25% of unit profit.
Restaurant Prime Cost: Why Weekly Tracking Beats the Monthly Close
Prime cost combines food, beverage, and labor as a percentage of sales—target 55–60% for quick-service and 60–65% for full-service. Tracking it weekly instead of monthly catches portioning and scheduling problems within seven days, while a 4% food cost variance on $1M in sales quietly costs $40,000 a year.
Weekly Prime Cost Tracking for Restaurants: Hit the 55–65% Benchmark and Catch Margin Leaks Before Month-End
A working operator's guide to calculating restaurant prime cost every seven days, the 55–65% benchmark by service segment, the five leaks weekly tracking surfaces first, and the bookkeeping setup the cadence requires.
Activity-Based Costing and TDABC: A Practical Guide to Customer and SKU Profitability
Activity-Based Costing replaces volume-based overhead allocation with cause-and-effect cost drivers, revealing which customers and SKUs actually pay and which silently lose money. This guide explains how ABC and its modern successor TDABC work, the five implementation steps, and why roughly 20% of customers and 30–40% of SKUs often destroy value.
How to Read Your Income Statement: A Complete Guide for Small Business Owners
Your income statement reveals whether your business model actually works—not just whether the bank balance is positive. Learn every line item from revenue to net income, how to calculate all three profit margins, and how to spot cost trends before they compound.