Internet Data Usage Calculator
Estimate your monthly internet data usage from daily activities like streaming, video calls and browsing.
Your results
Calculation breakdown
- Daily data
- (streaming hr × GB/hr) + (call hr × GB/hr) + other GB/day
- Monthly data
- daily data × 30
Worked example
Two hours of HD streaming (3 GB/hr) plus one hour of video calls (0.9 GB/hr) and 1 GB of browsing totals 7.9 GB/day, or about 237 GB/month.
Assumptions
- Uses a 30-day month as an approximation.
- Actual data varies by streaming quality, app and device.
- Does not include background updates or downloads on other devices.
How this calculator works
Add up estimated monthly data from streaming hours, video calls and general browsing to check against an NBN or mobile data allowance. Useful before choosing between capped and unlimited plans.
Frequently asked questions
How much data does HD streaming use?
HD video streaming typically uses around 1–3 GB per hour, while 4K can use 7 GB or more per hour, depending on the service.
Do most NBN plans have data caps?
Most current Australian NBN plans are unlimited, but some budget plans and all standard mobile plans still cap monthly data.
Is this exact?
No, it is an estimate based on typical usage rates; actual data varies by app, video quality and device.