Data Usage Calculator
Build a rough internet or mobile-data estimate from the activities you choose, then compare it with an optional monthly allowance.
Average data transferred
Scheduled activity is normalized to an average week; fixed monthly downloads are spread across 30 days for the day and week averages.
Where the estimate comes from
No active activities were entered.
How it compares with your allowance
This is a rough usage comparison. Provider measurement, throttling, and overage rules can differ; no monetary charge is estimated.
How the 30-day estimate works
For an hourly activity, weekly use equals rate × hours per active day × days per week. Divide by seven for the average calendar day, then multiply by 30 for a 30-day month. A 1 GB/hour activity used for two hours on three days each week is 6 GB/week and about 25.71 GB per 30-day month. Fixed monthly downloads add directly to the monthly total and are averaged across 30 days for day and week results.
All calculator units are decimal: 1 GB = 1,000 MB and 1 TB = 1,000 GB. One 30-day month is used for estimates.
Approximate rates used here
These are generic assumptions, not service guarantees. Video quality and automatic adjustment can move usage substantially. Online gaming reflects gameplay data, while game downloads and updates belong in the fixed-download input.
| Activity | Approximate data use | Notes |
|---|---|---|
| Low quality video | 300 MB/hour | A lower-quality mobile-like estimate |
| SD video | 700 MB/hour | A generic standard-definition estimate |
| HD video | 1,500 MB/hour | Between lower mobile and higher fixed-line examples |
| Full HD / 1080p video | 2,500 MB/hour | A higher-definition planning estimate |
| 4K video | 6,000 MB/hour | Rounded from multi-GB 4K examples |
| Low quality audio | 30 MB/hour | Lower-bitrate example |
| Standard quality audio | 60 MB/hour | Moderate-bitrate example |
| High quality audio | 150 MB/hour | Higher-bitrate example |
| Video calling | 500 MB/hour | Video quality and participant count vary |
| Social media / web browsing | 100 MB/hour | Mixed pages, images, and short clips vary widely |
| Online gaming (play only) | 60 MB/hour | Excludes downloads, patches, and cloud gaming |
These rounded generic planning rates draw on public examples from AT&T’s internet data calculator, AT&T’s mobile data guidance, and Verizon’s household data calculator. Those references differ, sometimes substantially. Quality, compression, autoplay, device, service, and content can change actual data transferred.
Worked hypothetical example
The example button enters HD video for two hours on five days per week, standard audio for one hour every day, and online gaming for one hour on four days per week. With the rates above, that is about 64.29 GB of HD video, 1.80 GB of audio, and 1.03 GB of gaming per 30 days, or about 67.11 GB total. Against a hypothetical 100 GB allowance, about 32.89 GB remains.
What the estimate leaves out
Autoplay, adaptive quality, ads, cloud backups, operating-system updates, downloads, other household devices, and background traffic can all change usage. A speed such as 100 Mbps describes transfer capacity, not a fixed monthly amount consumed. This worksheet is educational and does not predict a provider bill.