Free tools
Calculators that answer one question well.
Free, ungated, and built for operators. No email wall in front of arithmetic - use them, bookmark them, send them to whoever runs your ads.
Advertising
ROAS calculator
Ad spend and revenue in, ROAS out - plus your breakeven ROAS from gross margin, the number that actually decides whether a campaign makes money.
Open the calculator →More on the bench
LTV and CAC-payback calculators are in the works. If a calculator would save you a spreadsheet, tell us which oneand we'll build the most requested next.
The full dashboard is the tool these link to.
Every calculator here is a one-question slice of what By the Numbers tracks continuously: ROAS by channel, LTV by cohort, and the segments behind both.
60-second install · 14 days free · No card, no auto-charge