Free tools·Hard Truth Library
Ecommerce calculators
Free tools for the numbers that decide whether an online store makes money. Pick one, type in your own numbers, get the answer.
Work on these numbers with 120 store prompts, $29 →Ads
- ROAS calculatorWhat your ads bring back per dollar, and the profit left after them.
- Break-even ROAS calculatorThe lowest ROAS that still pays for the order and the ad.
- MER calculatorAll ad spend against all revenue, and the MER you need to break even.
- CAC calculatorYour real cost to get a new customer, and the most you can pay.
Margin and price
- Gross margin calculatorYour margin after product cost, shipping and card fees.
- Contribution margin calculatorWhat each order leaves after every cost, ads included.
- Markup calculatorPrice, profit and margin from your cost and markup.
- Product pricing calculatorThe price to charge for the margin you want.
Customers and growth
- Customer lifetime value calculatorWhat a customer is worth over time, and your LTV:CAC.
- CAC payback period calculatorHow many months until a new customer pays back their cost.
- Break-even calculatorOrders a month it takes to cover your fixed costs.
Get the 10 prompts that run these numbers for you
Free PDF. Paste in your store's numbers and get a decision back: margins, ads to cut, what stops buyers buying.