Calculate how much to adjust your bids in Google Ads or Microsoft Ads based on campaign performance.
Adjustment (%) = ((Target CPA ÷ Actual CPA) − 1) × 100
The Bid Adjustment Calculator helps PPC managers determine exactly how much to increase or decrease their bids to hit target CPA goals.
Enter your current bid, your actual CPA, and your target CPA. The tool calculates the exact percentage adjustment needed for your Google Ads interface.
Manual bidding requires constant optimization. By calculating precise bid adjustments for devices, locations, or audiences, you maximize ROI without guessing the math.
