MER & POAS Calculator
Marketing efficiency ratio and profit on ad spend — the metrics platforms can't tell you, that actually matter.
All sales, all channels combined
Meta + Google + TikTok + all platforms
Product cost / manufacturing
Shipping + warehouse + 3PL costs
Returns, app fees, payment fees
MER = Total Revenue ÷ Total Ad Spend. Healthy: >3.0x
POAS = Gross Profit ÷ Total Ad Spend. Healthy: >1.5x
Unlike ROAS, these metrics account for your actual costs — not just platform-reported numbers.
MER Status: Healthy
Your ad spend is generating strong returns across all channels. Keep scaling.
MER
4.00x
Revenue / Ad Spend
POAS
1.88x
Gross Profit / Ad Spend
Net Profit
$22,000
After all costs + ad spend
Net Margin
22.0%
Net profit / revenue
Total Costs
$78,000
Ad Spend Ratio
25.0%
Gross Profit
$47,000