What is Bandwidth Calculator?
Bandwidth Calculator helps you estimate average bandwidth and a peak allowance from website traffic.
The main result is estimated peak bandwidth, with a breakdown of daily data transfer. The formula, example and assumptions below explain how to interpret it.
How to use Bandwidth Calculator
Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.
- Gather visits per day, average transferred data per visit (MB) and peak-to-average traffic multiplier (×). Use values from the same situation or reporting period.
- Replace the example visits per day with your own value, then complete the other fields. Check the displayed units.
- Select Calculate and read estimated peak bandwidth with its result breakdown. Change one input and calculate again to compare a second scenario. Reset restores the original example.
- Enter visits per day, at least 0. Decimals are accepted.
- Enter average transferred data per visit in MB, at least 0. Decimals are accepted.
- Enter peak-to-average traffic multiplier in ×, at least 1 and at most 1000. Decimals are accepted.
Bandwidth Calculator: a worked example
With the inputs below, the result is 5.555556 Mbps (estimated peak bandwidth). Follow the example, then replace these illustrative values with your own.
| Input or output | Example value |
|---|---|
| Visits per day | 10,000 |
| Average transferred data per visit (MB) | 2 MB |
| Peak-to-average traffic multiplier (×) | 3 × |
| Estimated peak bandwidth | 5.555556 Mbps |
| Daily data transfer | 20 GB |
Understanding the Bandwidth result
Read estimated peak bandwidth alongside daily data transfer. These describe different parts of the same calculation.
Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.
- Example Daily data transfer: 20 GB
Bandwidth Calculator: assumptions and common mistakes
A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.
- Match numerators and denominators from the same reporting period. Creator RPM is revenue per thousand views, while advertiser CPM measures spending.
For wider guidance, visit Google Ads Help. The formula and scope of this specific tool are stated on this page.
