Guide
The right data allowance depends on what you do online, how long you travel and how often you have reliable Wi-Fi. Start with your normal mobile usage, account for travel-specific activities and add a modest buffer rather than automatically choosing the largest plan.
1. Estimate your daily needs, then multiply by trip length
Check your phone’s mobile data settings to see which apps use the most data. If possible, review a few days that resemble your travel routine. Reset the usage counter before departure so you can track the trip separately.
Multiply your expected daily mobile data use by the number of days you need service, including arrival and departure days. Add a modest buffer for unexpected journeys, unreliable Wi-Fi or extra browsing. For example, an approximate budget of 300 MB per day over seven days comes to 2.1 GB before any buffer. At approximately 1 GB per day, the same trip would need around 7 GB.
Do not rely on your home average alone. You might use more navigation while traveling, but less mobile data if your accommodation has dependable Wi-Fi.
2. Match the allowance to your online habits
These estimates are approximate planning ranges, not guaranteed consumption rates. Actual usage varies by app, media quality, autoplay settings, background activity and connection quality. Poor connections can also cause retries, while some apps automatically change quality.
Navigation: active map use may consume approximately 5–20 MB per hour, though imagery, route searches and satellite views can use more. Downloading maps beforehand reduces mobile data needs.
Messaging: plain text usually uses very little data. Photos, voice notes, GIFs and especially videos can make messaging apps much more data-intensive.
Social media: allow approximately 100–500 MB per hour for mixed browsing. Video-heavy feeds and high-quality uploads can exceed this range.