Calculators
Calculators — marketing math, fast and in plain English
Five free tools for the most common ad-side calculations. Enter numbers, get the result and what it actually means.
ROAS Calculator
Return on ad spend, from spend and revenue. Plus a profit estimate at your margin.
Calculate→CPA Calculator
Cost per new customer. Simple formula, clear interpretation.
Calculate→MER Calculator
Marketing efficiency ratio. The safety net when platform attribution lies.
Calculate→Break-even CPA
The max you can spend per customer to break even. Plus safe and aggressive targets.
Calculate→LTV Calculator
Customer lifetime value. Plus the max recommended CPA.
Calculate→Want it daily without the calculator?
Lupli connects Google Ads, Meta Ads, and GA4 and computes metrics automatically every day.
- Every metric across Google Ads, Meta Ads, and GA4 in one view
- Questions in plain English instead of dashboards and formulas
- 30 seconds to connect your first account