Marketing · Free Interactive Tool
Ad Budget Allocator
Split budget between two channels by ROAS.
Your Numbers
The Result
The Operator's Read
Weighting toward the higher-ROAS channel is the right instinct — but watch for saturation. Shift budget gradually and re-check ROAS; the best channel gets worse as you scale it.
Built by The Crimson Bench · Educational tool, not financial advice
About the Ad Budget Allocator
Enter a total budget and each channel’s ROAS to see a return-weighted split and expected revenue.
How the Ad Budget Allocator Works
3 inputs in, 3 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Total budget | $10,000 |
| Channel A ROAS | 4 |
| Channel B ROAS | 2.5 |
Worked Example
Using the example inputs above, the tool returns:
To Channel A
$6,154
To Channel B
$3,846
Expected revenue
$34,231
The Operator's Read
Weighting toward the higher-ROAS channel is the right instinct — but watch for saturation. Shift budget gradually and re-check ROAS; the best channel gets worse as you scale it.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the Ad Budget Allocator calculate?
Enter a total budget and each channel’s ROAS to see a return-weighted split and expected revenue. It takes 3 inputs — Total budget, Channel A ROAS, Channel B ROAS — and returns To Channel A, To Channel B, Expected revenue.
How do I use the Ad Budget Allocator?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the Ad Budget Allocator free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The Ad Budget Allocator is an educational tool for directional planning — not financial, investment, tax, or legal advice.
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The Crimson Bench · Est. 2002 · Founded in New York City
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