Free · No signup unless noted
The tools we use
in client work.
Calculators, references, and diagnostics that earn their keep inside our engagements. Free to use, no newsletter sign-up, no follow-up sequence unless you ask for one.
Calculator · ROAS
ROAS Calculator
Enter ad spend, revenue, and gross margin. Returns ROAS, the break-even ROAS your margin requires, and whether the campaign is generating profit or quietly losing money.
Open the ROAS calculator
Calculator · CAC
CAC Calculator
Customer Acquisition Cost, fully loaded and blended. Returns CAC, monthly contribution per customer, and the payback period your unit economics actually allow.
Open the CAC calculator
Calculator · LTV
LTV Calculator
Customer Lifetime Value with the simple formula CFOs accept. Returns LTV, expected lifetime in months, and the LTV:CAC ratio.
Open the LTV calculator
Calculator · Combined
Full Ad Spend Calculator
All five core inputs in one place. Returns CPA, ROAS, ad spend share, contribution after overhead, and break-even ROAS together.
Open the full calculator
Download
Ad Spend Calculator (spreadsheet)
The desktop spreadsheet version of the calculator, with a saturation worksheet and a CRM reconciliation template. Two-field email gate, no follow-up sequence.
Email it to me
Pillar
Attribution reference index
All five long-form pieces in reading order. iOS 14.5, GA4, server-side GTM, Meta CAPI, and MMM vs MTA. Bookmark and send to the team.
Read the pillar
Reference
Attribution glossary
Twenty plain-language definitions for the vocabulary that comes up on every audit. CAPI, MMM, MTA, ITP, EMQ, ROAS, deduplication, view-through, more.
Open the glossary
Diagnostic
Profit First Diagnostic
Three-question diagnostic that tells you whether your ad spend is structurally profitable or quietly losing money. Plain-English verdict in 30 seconds.
Run the diagnostic
Audit prep
Profit Audit
If your ad reports stopped agreeing with the bank, this is where to start. A free 30-minute walk-through of three of your dashboards.
Book the call
Working with us
The tools point in the same direction the engagements do.
Each calculator and reference here is something we use inside client work. The Tracking Audit, the Attribution Fix, and the full PROFIT framework engagement all start with the same questions these tools answer for free.