About the Marketing Budget Calculator
Marketing budget as a percentage of revenue, split across channels by share — plus the implied customers from CAC.
Also known as: marketing spend, how much to spend on marketing, ad budget planner.
How to use this calculator
- Enter annual revenue, marketing budget (% of revenue), channel split (%), expected cac (optional).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Budget = revenue × %
Worked example
Using the values pre-filled in the calculator above:
- Annual revenue = 2,000,000
- Marketing budget (% of revenue) = 8 %
- Channel split (%): 40, 25, 20, 15
- Expected CAC (optional) = 150
the calculator returns:
- Annual marketing budget: 160,000
- Monthly: 13,333.33
- Customers at expected CAC: 1,066