Calculator
How much data do you need for your trip?
Most travellers use about 1 GB a day. Set how you actually use your phone below and you'll get a plan size, and the cheapest plan that covers your whole trip.
You'll use about
7.9 GB
0.94 GB a day × 7 days, plus 20% headroom for app updates, photo backups and the day you get lost.
Buy a 10 GB plan that lasts at least 7 days.
10 GB for 30 days, $11.72 in Europe. See every Europe plan
Questions
Travel data, answered
The full breakdown, app by app, is in How much data do I need for a trip.
About 5–10 GB for typical use: maps, messaging, social media and photos come to roughly 1 GB a day. Light users who stick to maps and messages can manage on 3 GB. Video on mobile data, video calls or a tethered laptop push a week to 20 GB.
It uses the middle of each app's published or typical range and adds 20% headroom. Real use varies with video quality, app settings and how much happens in the background, so treat it as a sizing guide and round up rather than down.
Video. An hour of Reels or TikTok is roughly 0.6–1.2 GB, and HD streaming can reach 3 GB an hour. Maps, messaging and voice calls use very little by comparison.
Usually yes. Larger plans cost less per GB, so the next size up often costs only a few dollars more. With Cabin Mode you can also top up the same eSIM if you run low, without installing anything new.
Yes. A plan is valid for a fixed number of days and ends when that runs out, even with data left. Pick a plan that lasts at least as long as your trip. The calculator does this for you.