Monthly ad budget pacing calculator

A month is on pace when its projected spend lands between 85% and 110% of the budget. The projection is spend so far plus the last 7 complete days’ daily average for every day left: the same rule as our audit check G-BUD-02.

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Complete days only.
Optional. Leave empty to use the month’s average.
Heading over budget
129%

Projected share of the budget. On pace is 85% to 110%, judged from day 7.

Projected month11,600
Expected by now3,000
Pace so far120%
Daily rate used400.00
Spend a day to land on budget270.00
Google Ads daily budget for the full month296.05
The formula

Exactly what this page computes

expected so far = budget × days elapsed / days in month
daily rate = last 7 days’ spend / 7 (or spend so far / days elapsed)
projected = spend so far + daily rate × days left
on pace when 85% ≤ projected / budget ≤ 110%, judged from day 7
daily spend to land = (budget − spend so far) / days left
Google Ads average daily budget for a month = monthly budget / 30.4

Our audit runs the same rule on a connected account as check G-BUD-02: Month heading off plan.

Questions

How to read it

Why the last 7 days rather than the month so far?+

Because spend changes during a month: a budget raised on the 10th makes the month-to-date average too low. The last full week reflects what the account spends now, and weekday swings even out over 7 days.

Why divide by 30.4 for Google Ads?+

For most campaigns, Google Ads charges at most 30.4 times the average daily budget in a month, and may spend up to twice the daily budget on a single day. A daily budget of the monthly budget divided by 30.4 lets it spend the month in full.

Why wait until day 7?+

In the first days a single slow or busy day moves the projection a lot. Our audit judges pacing from day 7 for the same reason; before that, this page shows the numbers and no verdict.

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