Margin & markup
Understand your margin, markup, and profit after variable costs. Or find a selling price that reaches your target margin.
Open calculatorFree business tools
Better decisions.
Start with the numbers.
A few practical calculators for the everyday questions behind your business. Check a price, weigh a discount, or plan a payment schedule.
Free to useNo signupInputs stay in your browser
Discount profitability
See how a discount changes profit per unit and the extra sales volume needed to match your original total profit.
Open calculatorDeposits & installments
Turn a quote or invoice amount into a deposit and a clear payment schedule. Copy it, download a CSV, or print it.
Open calculatorUseful on their own. Built with merchants in mind.
These planning tools work independently of Shopify. They don’t change your store, create orders, or collect payments. Enter only the costs you want to compare; the calculators don’t save your inputs or send them to analytics.
Meet the CommerceWrench apps