Google Ads uses average daily budgets – if you’re working with a monthly budget, just divide that figure by 30.4 (the average number of days in a month). Google Ads aims to show your ads until your average daily budget is met, and you pay only when someone clicks your ad.
Adjust your campaign budget
- Navigate to Campaigns from the Home screen or navigation menu .
- Touch the campaign whose budget that you want to change.
- Touch the campaign's name.
- Touch the current budget.
- Enter a new amount.
- Touch the checkmark .