4.8x
average blended ROAS for e-commerce brands with Plexrio
Plexrio Benchmark 2026
+34%
average ROAS improvement with AI-driven vs manual budget allocation
Plexrio Customer Data
4.2d
average days before Meta creative shows fatigue — Budget Brain catches it
Plexrio Creative Engine Data
$48k
average monthly budget waste eliminated for e-commerce clients
Plexrio Budget Brain Data
overview
E-commerce marketing is a daily battle for ROAS. Meta CPMs rise. Google Shopping competition intensifies. TikTok promises virality but delivers inconsistently. And the attribution data you are making decisions from is systematically wrong — Meta overclaims 55% on average, Google overclaims 48%. The Marketing Budget Calculator gives you an AI-generated baseline allocation that accounts for your specific AOV, current ROAS benchmarks, and the channels that actually work for your product category.
the solution
AI-generated budget allocation across Meta, Google, TikTok, and email — optimized for your specific ROAS targets, AOV, and seasonal patterns.
the problem
E-commerce marketing teams are making daily budget decisions on Meta and Google without the data infrastructure to know what is actually working.
the problem
Why e-commerce budget allocation is broken
E-commerce brands face a uniquely difficult budget allocation problem: rapid performance changes, platform overreporting, creative fatigue, and seasonal variation all combine to make static budget allocation obsolete almost immediately. Most DTC brands review budget allocation monthly — but performance can swing 50% week-over-week. The Budget Calculator is a starting point; the full Budget Brain platform is the continuous optimization layer.
the solution
What the Budget Calculator generates for e-commerce brands
The Budget Calculator generates a channel-by-channel allocation optimized for your specific e-commerce economics — your AOV, your current ROAS, your primary goal (new customer acquisition vs retention vs LTV maximization). It accounts for iOS attribution gaps and recommends the allocation you would have if you had perfect attribution data.
Calculate your e-commerce marketing budget
Meta vs Google vs TikTok allocation with ROAS projections. iOS-adjusted. Free.
calculate my budget →Marketing Budget Calculator
AI-powered budget allocation in 20 seconds
Enter your monthly budget and goals. Get a personalized channel allocation, ROAS projections, waste estimate, and action plan — powered by Claude AI.
faq
Common questions from e-commerce brands.
How should e-commerce brands split budget between Meta and Google?
For most DTC brands, the optimal split is 45-55% Meta, 30-35% Google Shopping/Search, and 15-20% testing (TikTok, YouTube, Pinterest). This varies significantly by product category, AOV, and audience demographics. The Budget Calculator generates a split optimized for your specific inputs.
How does the Budget Calculator account for iOS tracking limitations?
The Budget Calculator applies an iOS attribution correction factor based on industry benchmarks for your category. If you input your current reported Meta ROAS, the calculator adjusts it downward to the likely true ROAS and generates recommendations based on the corrected figure.
Should e-commerce brands allocate budget to TikTok?
For brands with strong visual products and audiences under 35, yes — but with guardrails. TikTok budget should be treated as a testing allocation (10-15% of paid media budget) until you have proof of concept for your specific product. The Budget Calculator recommends a test allocation based on your product category and target demographic.
How should we handle Black Friday and peak season budget allocation?
Peak season requires a fundamentally different allocation approach — higher Meta spend for prospecting in the weeks before, heavier retargeting during peak days, and email/SMS maximization for the highest-ROAS period. The Budget Calculator includes seasonal adjustment recommendations when you specify your planning horizon.
What is the minimum e-commerce budget where the Budget Calculator adds value?
The Budget Calculator adds value for any budget, but continuous optimization with Budget Brain makes the most economic sense at $10k+/month in paid media spend. Below that, the absolute dollar savings from optimization may not justify the subscription cost. The free calculator is always worth running regardless of budget size.
Marketing Budget Calculator for other industries
SaaS Companies
SaaS marketing teams spend months debating budget allocation between LinkedIn, Google, and content — and still get it wrong because they are using last quarter's data.
→ calculate their budget →Marketing Agencies
Agencies manage 20 client budgets with 2 analysts — and most budget recommendations are based on industry templates, not real-time performance data.
→ calculate their budget →B2B Companies
B2B marketing budgets are set annually based on last year's performance — but the fastest-growing B2B acquisition channels (AI search, dark social) did not exist last year.
→ calculate their budget →Calculate your e-commerce marketing budget
Meta vs Google vs TikTok allocation with ROAS projections. iOS-adjusted. Free.
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