Margin vs. Markup: the Difference That Changes Your Pricing
Learn why margin and markup are not interchangeable and how to use each one when setting prices.
Read guide · 5 min read →Business guides
Understand the numbers behind the calculator
Short, practical explanations designed to help you use common business metrics with more confidence.
How to Calculate ROI Without Fooling Yourself
A practical explanation of ROI, what it leaves out, and how to compare projects more carefully.
Read guide · 6 min read →Break-Even Analysis for a New Product or Service
Estimate the sales volume needed to cover fixed and variable costs before launching.
Read guide · 7 min read →CAC vs LTV: a Practical Starting Point
Compare customer acquisition cost and lifetime value without hiding the assumptions that distort the ratio.
Read guide · 6 min read →Formula for Profit: Revenue, Costs and the Right Period
Learn the basic profit formula, how to separate gross and net profit, and how to avoid mixing incompatible periods.
Read guide · 6 min read →How to Calculate Gross Margin From Revenue and COGS
Calculate gross margin, interpret the result, and keep product and period comparisons consistent.
Read guide · 5 min read →Contribution Margin Formula: What Is Left After Variable Costs
Understand contribution margin, how it differs from gross margin, and when it helps with pricing and mix decisions.
Read guide · 6 min read →Customer Churn Rate Formula: A Clear Period and Denominator
Calculate logo churn, define the measurement period, and distinguish customer churn from revenue churn.
Read guide · 6 min read →