Why is Google Ads charging me more than my budget?

If Google Ads is charging you more than your budget, here are the possible reasons:

1. Daily Budget vs. Monthly Billing
Google Ads works on a daily budget, but it can spend up to 2x your daily budget on high-traffic days.
However, over a 30.4-day month, Google won't exceed your monthly limit (your daily budget × 30.4).
2. Overdelivery of Ads
Google may temporarily overspend on days with high traffic potential to maximize performance.
If Google overspends too much, it should adjust in later days to balance it out.
3. Multiple Campaigns Adding Up
If you have multiple campaigns running, their costs combine in your total bill.
Check each campaign's budget to ensure you're not exceeding your expected spending.
4. Click Costs (CPC) Higher Than Expected
If you're running a manual bidding campaign, the cost per click (CPC) might be higher than estimated.
Competition for keywords can increase bid prices, leading to higher charges.
5. Additional Fees (Taxes or Exchange Rates)
In some countries, taxes (like VAT or GST) are added on top of ad spend.
If you're paying in a different currency, exchange rate fluctuations may impact your charges.
6. Running More Than One Ad Format
If you enabled automated features like Performance Max or additional networks, your ads may be running in more places than expected.
Check your campaign settings to ensure you are only advertising where you want to.
7. Billing Threshold Reached
If you're on automatic payments, Google bills you when you reach a certain threshold (e.g., $500).
This means you may receive a large charge all at once, even if your daily budget was lower.
How to Fix It?
✔ Check Your Billing Summary in Google Ads → Tools & Settings → Billing & Payments
✔ Review Campaign Budgets under Campaigns → Settings
✔ Look for Unexpected Click Costs under Reports → Predefined Reports (Dimensions) → Auction Insights
✔ Adjust Spending Limits if necessary