Ad Budget Calculator — Free
Calculate how much ad budget you need to hit your conversion goals.
Features
- ✓Budget from CPA target × desired conversions
- ✓Daily and weekly budget breakdowns
- ✓Scale projections at 2x and 3x budget
- ✓Configurable test period (1–90 days)
Benefits
- →Prevent underfunded campaigns that never exit the learning phase
- →Walk into client meetings with data-backed budget recommendations
- →Plan test vs scale budget separately
- →Know your burn rate before you hit publish
How to Use This Tool
- 1
Enter your target CPA — how much you're willing to spend to acquire one customer.
- 2
Enter the number of conversions you want in your test period.
- 3
Select your test period in days. Get your total, daily, and weekly budgets plus scale projections.
What is Ad Budget?
Ad budget planning starts with your target Cost Per Acquisition (CPA) — how much you're willing to pay for each customer. Multiply that by your desired number of conversions and you have your total budget. The challenge is that CPAs fluctuate, especially in the learning phase. Most platforms recommend budgeting for at least 50 conversions per ad set per week to exit the learning phase and unlock algorithm optimization.
Why It Matters
Underfunding ad campaigns is one of the most common mistakes in paid media. If you set a $10/day budget on a campaign with a $45 CPA target, you'll never exit the learning phase — the algorithm can't optimize because it doesn't have enough data. Knowing your required budget before launch prevents wasted spend on campaigns that can't possibly work at the budget you've set.