The math that keeps a business open.
Pricing, unit economics, break-even, lead cost, ROI — the numbers a healthy business actually runs on. Every calculator runs in your browser, no signup, no tracking.
Run your numbers
Pick the question on your mind. Each one shows its working.
AI ROI Calculator
Hours saved × rate − tool cost. Payback days, 12-month net, 3-year NPV.
Break-evenBreak-Even Calculator
How many sales per month before you stop bleeding and start keeping money.
PricingHourly Rate Calculator
What you actually need to charge to hit your income target after overhead.
Unit economicsCustomer Lifetime Value
CLV plus the 3:1 acceptable customer-acquisition cost the CFO uses.
AcquisitionLead Cost Calculator
CAC, ROAS, and profit per lead from your ad spend.
AutomateAutomation Time Saver
Pick your recurring tasks. See annual hours and dollars on the table.
Confidence is not a business model
Most small businesses don't fail from a lack of effort — they fail from never doing the arithmetic on a price, a hire, or a subscription. These tools put the spreadsheet in front of the decision, so you keep the ones that pay for themselves and cut the ones that don't.
Educational tools, not financial advice. Full disclosure.