ProfitMetricLabKnow your numbers. Build with confidence.
Practical calculators for pricing your work, protecting your margin, and making your next move.
Explore the calculatorsFree to use · No sign-up · Your inputs stay in your browser
profit margin in this example
Example: $10,000 revenue − $6,500 costs.
A useful answer starts here. 12 calculators
Profit margin
See how much of every sales dollar remains after the costs you include.
Open calculatorMarkup
Translate cost and selling price into a cost-based markup.
Open calculatorBreak-even point
Find the whole units needed to cover fixed costs.
Open calculatorFreelance hourly rate
Plan a baseline rate from your income target and business expenses.
Open calculatorProject price
Build a quote with a target margin rather than a simple markup.
Open calculatorReturn on investment
Compare the total value returned with the amount invested.
Open calculatorReturn on ad spend
Measure attributed revenue per dollar of advertising spend.
Open calculatorCustomer acquisition cost
Estimate acquisition cost from a consistent spend and customer cohort.
Open calculatorCustomer lifetime value
Estimate gross-profit value using a simple repeat-purchase model.
Open calculatorCash runway
Estimate how long cash lasts at a steady monthly net burn.
Open calculatorEffective hourly earnings
Find what a project actually earned per hour after included expenses.
Open calculatorDiscount impact
Calculate a sale price after one percentage discount.
Open calculatorUseful numbers. Visible assumptions.
Every tool explains its formula, provides a worked example, and makes its limits visible. Change an input to explore a scenario without creating an account.