Google Ads Budget Calculator
Reverse-engineer your PPC budget. Input your revenue goals and keyword metrics below to calculate exactly how much you need to spend on Google Ads.
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Unlike paid social platforms where you interrupt users, Google Ads operates on high-intent search queries. This means your budget planning must start with the cost of those searches (CPC) and work backward from your revenue goals.
How to Use This Calculator
- Determine Your Revenue Goal: Start with the top-line number you want your PPC campaigns to generate this month.
- Find Your CPC: Use the Google Ads Keyword Planner to find the "Top of Page Bid" for your core keywords. Enter the average into the CPC field.
- Know Your Conversion Rate: If you don't know your exact website conversion rate, use 2% to 3% as a safe industry baseline.
Target CPA vs. ROAS
Our calculator provides both your Target Cost Per Acquisition (CPA) and your Projected Return on Ad Spend (ROAS). If you are generating leads for a service business, focus heavily on keeping your actual campaign CPA below the Target CPA shown above. If you are running an e-commerce brand on Google Shopping, your primary metric for scaling should be the Projected ROAS.