Marketing · Free tool
Marketing Budget Allocation Calculator
Once the total marketing budget is agreed, the next question is how much each channel gets. This allocation calculator turns a total and a percent per channel into exact amounts, so marketing leads, founders and CFOs can agree the split in one pass instead of arguing over rounded figures in a spreadsheet.
- OutputAn amount per channel
- No sign-up
- Copy or print the result
- How it works ↓
Your entries stay in this browser. Use Fill example to see a finished page first.
What this marketing tool gives you
You get a table with each channel, its percent and its amount, plus the total and the number of channels. Paste it into the budget memo or print it for the planning session. The channels you enter stay stored locally on this device, ready for the next revision, with no login.
What you enter
- Total budget, in USD, EUR or GBP
- Channels: one line per channel with a name and a percent (add as many lines as you need)
Worked example
The tool's example uses a total budget of $20,000 split Search 50%, Email 30% and Partners 20%. The percents add up to 100, so the table shows Search $10,000, Email $6,000 and Partners $4,000 across three lines. The stats line confirms a total budget of $20,000 split across 3 lines.
How is a marketing budget split across channels?
Each channel amount = total budget × channel percent ÷ 100, rounded to the cent. The percents must add up to 100; the tool accepts a total within 0.05 of 100 to allow for decimals and otherwise tells you what they add up to now.
Every line needs a name and a percent, percents cannot be negative, and the total budget cannot be negative. The result is a split of the ceiling you typed, not a media plan: it does not forecast reach, cost per click or results by channel.
Tips before you use the result
- Keep a small test line, even 5%, for a channel you have not tried, so next quarter's split is based on evidence.
- Agree the percents before the total is final; the same shares can then be rerun if finance cuts or raises the budget.
- Separate fixed commitments such as annual tool contracts from flexible media spend, or the percents will look more movable than they are.
- Pair each channel's amount with its expected ROAS so the split can be judged, not just approved.
Frequently asked questions
How should I allocate my marketing budget by channel?
Start from what has produced customers before, reserve a share for testing, and write the split as percents of the total. This calculator then turns those percents into exact amounts. It does not recommend percents for you; the allocation decision stays with the team that knows the channel results.
What if my percentages do not add up to 100?
The tool will not show amounts until they do. It displays a warning with the current total, for example "They add up to 95.00 now", so you can adjust one line. A difference of up to 0.05 is accepted to allow for decimal percents.
Can I use decimals in the percents?
Yes. Percents like 33.33 are accepted, and the amounts are rounded to the cent. Because of that rounding, the channel amounts can differ from the total by a cent or two when you use repeating decimals. Adjust the largest line by a cent if the memo must tie exactly.
Can the same tool split budgets other than marketing?
The arithmetic is a plain percent split, so it works for any pool you want to divide by share, such as a regional budget. The labels, however, speak about channels, and the note on the page frames the result as a split of a marketing ceiling rather than a media plan.
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Results depend on the figures you enter; check them against your own records before you rely on them. Last updated: October 2026 · Kurums editorial team.