Business calculators

Understand pricing, profitability, growth, and the economics behind everyday business decisions.

Profit Margin Calculator

Find the percentage of revenue left after covering costs.

Markup Calculator

Measure how much a selling price sits above the item or service cost.

Break-Even Calculator

Find the sales volume and revenue needed to cover fixed and variable costs.

ROI Calculator

Compare an investment's net profit with the amount originally invested.

ROAS Calculator

See how much advertising revenue was generated for each unit of ad spend.

Customer Acquisition Cost Calculator

Divide sales and marketing cost by the customers acquired in the same period.

Customer Lifetime Value Calculator

Estimate customer revenue from purchase value, frequency, and lifespan.

Commission Calculator

Calculate commission earned from a sale amount and percentage rate.

Sales Growth Calculator

Compare current sales with a prior period and express the change as a percentage.

Unit Price Calculator

Compare two pack sizes by converting each total into a price per unit.

CAGR Calculator

Find the smoothed annual growth rate between a starting and ending value.

Real Estate Commission Calculator

Calculate total commission on a home sale and how it splits between sides and brokerage.

IRR Calculator

Find the annual return rate that makes an investment's cash flows break even.

NPV Calculator

Discount future cash flows to today's value and compare them with the initial cost.

Safety Stock Calculator

Calculate the buffer inventory needed to cover demand and lead-time variability.

Operating Margin Calculator

Find operating income and margin after cost of goods sold and operating expenses.

Payback Period Calculator

Find how long an investment takes to pay for itself from its annual cash flow.

Employee Cost Calculator

Find the total cost of an employee beyond base salary, and the multiplier over salary.

Churn Rate Calculator

Find the share of customers lost and retained over a period.

How to choose the right calculator

Start with the business decision in front of you: pricing, profitability, growth, or unit economics. Use margin and markup for pricing checks, break-even for sales targets, and ROI, ROAS, CAC, or lifetime value when comparing investments and customer economics. Keep revenue and costs in the same period and currency before relying on the result.

Related guides

Profit Margin vs. Markup: Formulas and ExamplesMargin and markup describe the same gross profit from different denominators. That difference makes the percentages unequal and matters when setting prices.Break-Even Analysis for a Small BusinessBreak-even analysis estimates the sales volume required for contribution from sales to cover fixed costs.ROAS vs. ROI: What Each Metric MeasuresROAS compares attributed conversion value or revenue with advertising cost. ROI compares net return with the broader investment cost.How to Calculate Profit Margin (Step by Step)Profit margin divides profit by revenue. Which profit figure you use — gross, operating, or net — changes the answer and what it tells you.How to Calculate Percentage Change (Increase and Decrease)Percentage change compares a new value with an old one using the old value as the base — using the wrong base is the single most common source of error.How to Calculate Commission (Flat, Tiered, and Split)Most commission disputes come from an unclear structure, not bad arithmetic. Flat, tiered, and split commission each use a different formula.Break-Even Analysis Before You Quit Your JobResigning on a healthy-looking margin is still a cash decision. Model the monthly cost floor, the rate required to hit it, and how many sales stand between you and the paycheck you are about to give up.Why Your Profit Margin Looks Fine but Your Bank Account Doesn'tMargin is a ratio on a chosen cost set. Cash is what remains after inventory, tax, loan principal, and customers who have not paid. Those are different statements.How to Set a Markup That Covers Overhead Without Scaring Off BuyersMarkup is a pricing tool, not a profit report. Size it from the overhead you must recover, convert it to the margin you actually keep, and test whether buyers still see a fair unit price.Deciding Whether a Paid Campaign Is Worth ScalingA 4x ROAS can lose money and a 2.2x ROAS can be worth scaling. Scale when incremental spend still clears contribution after the click path you actually have.When Customer Lifetime Value Makes a High CAC AcceptableA $180 CAC can be correct for a $900 lifetime customer and reckless for a $220 one-time buyer. The ratio only works when both sides use the same economic unit and a time window you can fund.How to Tell If Your Hourly Rate Is Too Low for Your Actual CostsA rate is too low when billed hours at that price cannot cover income, expenses, and tax on the hours you can actually invoice. Market averages do not override that floor.