CROSS-PLATFORM TOOL
Attribution Reconciliation Calculator
Enter your Meta-reported conversions, Google-reported conversions, and Shopify actual orders. See how inflated your platform reports are versus reality.
Founder, BTB Audits. $150M+ in ad spend managed across Meta and Google
Your attribution inflation
21.4%
Share of platform-claimed conversions that are duplicated or unattributable.
Platform total
7,000
Shopify actual
5,500
Estimated overlap
1,500
What this means for your account
Your attribution is in the normal DTC range.
Most accounts at $20K+ monthly spend land here. The platforms over-attribute, but not catastrophically. Your blended ROAS (calculated against Shopify) is more reliable than any platform's ROAS.
Want a senior pair of eyes on the specifics? The Free Quick Scan is a private 5 to 7 minute Loom in 48 hours.
Get Your Free Quick Scan →Learn the methodology
How this tool actually works
This calculator gives you the number. The paired blog post explains the math behind it, the edge cases, and how to read the result for your own account.
Read: Why Your Ad Reports Show 3 Different Numbers →Want a senior audit that uses attribution reconciliation as the baseline for evaluating your account?
If you don't have four to six hours, or you want a second pair of eyes that's managed $150M+ across Meta and Google, the Free Quick Scan is what I built for that. I'll record a private 5 to 7 minute Loom walking through the leaks I find on your account using public data only. You'll have it in 48 hours.
Get Your Free Quick Scan →