Ad Spend Scaling Forecaster
Model what happens when you scale your Meta ad spend — revenue goes up, but efficiency goes down. Find your ceiling.
Your numbers
(Revenue minus COGS) ÷ Revenue. Excludes ad spend and returns.
Room to grow with the right creative
Beauty brand benchmarks
- MER: 2.5–4x typical, 4x+ excellent
- Gross margin: 60–75% for skincare/hair care
- Return rate: 2–8%
- Most brands: Moderate scaling headroom
Month 12 Revenue
£23.5k
vs £15k at current spend
Month 12 MER
2.4x
vs 3.0x today
12-Month Contribution
£52.2k
vs £49.8k at current spend
Breakeven Spend
£28.1k
ceiling before ads lose money
Revenue follows a power law: it grows as you spend more, but each additional pound returns less. MER (revenue ÷ spend) naturally declines as you scale.
How this model works
Every ad account follows the same pattern: the more you spend, the more revenue you generate — but each additional pound works a little less hard. Your best audiences see your ads first. To reach more people, you expand into audiences that are slightly less likely to convert. This is diminishing returns, and it's not a bug — it's how paid acquisition works.
The “Scaling Headroom” setting reflects how quickly those returns diminish. A saturated account has already reached most of its best audiences — scaling further drops efficiency fast. An untapped account has plenty of high-quality audiences still available.
Based on a power-law model standard in marketing mix modelling. This tool shows the shape of the trade-off, not a precise prediction. Your actual curve depends on your creative, audiences, and market.
Hitting your ceiling? Here's what moves it.
Your scaling ceiling isn't permanent. It shifts when you unlock new pockets of demand — a creative angle that resonates with a colder audience, a hook that stops a different type of scroller, a format that works on a placement you haven't cracked yet.
Each winning test effectively moves you from “Saturated” toward “Untapped” — letting you spend more before efficiency drops off. The brands that scale furthest aren't spending the most. They're testing the most.
Want to push your scaling ceiling higher?
We find the creative angles and audiences that let you scale further before diminishing returns kick in. First results in 48 hours.
Book a discovery call