Light
0.3-0.5 GB/day
Mostly maps, messages, email, and a little browsing between Wi-Fi stops.
Trip data planner
How much eSIM data do you need for your trip?
Tell us how long you are away and what you use your phone for. We will turn that into a practical data target, with extra room for weak Wi-Fi and busier days.
Your trip
Build a data estimate that fits
Choose a profile for a fast answer, or set your daily time by activity.
How long is the trip?
Choose the closest length.
7 days
7 days
Before you buy, make sure your phone works with eSIM - check your device.
A practical estimate
Plan for the way you actually travel
Maps and plain messages barely move the needle. Streaming, video calls, photo backups, and a laptop hotspot can change the total quickly. That is why the calculator starts with a realistic daily range instead of one fixed number for every traveler.
We also add room for the days when airport Wi-Fi fails, an app updates in the background, or you use your phone more than expected.
What changes the total
- Video qualityA few HD sessions can use more data than days of maps and messages.
- Hotspot useLaptop updates, uploads, and calls all come from the same allowance.
- Background appsPhoto backups and updates can run while your phone is in your pocket.
A useful starting point
Most trips fit one of these daily ranges
Pick the closest match, then adjust upward if you expect long video calls, frequent streaming, or unreliable Wi-Fi.
Everyday
0.7-1.5 GB/day
Maps, social posts, short clips, music, and regular travel research.
Remote work
2-4 GB/day
Video calls, streaming, cloud work, and occasional laptop hotspot use.
Data targets for common trip lengths
These totals use the midpoint of each daily range and include the calculator's 30% safety buffer. Treat them as planning targets, not exact predictions.
| Usage style | Per day | 3 days | 7 days | 14 days | 30 days |
|---|---|---|---|---|---|
| Light | 0.4 GB | 2 GB | 4 GB | 8 GB | 16 GB |
| Everyday | 1 GB | 4 GB | 10 GB | 19 GB | 39 GB |
| Remote work | 3 GB | 12 GB | 28 GB | 55 GB | 117 GB |
How much data do travel apps use?
Use these ranges to see what drives your estimate. The calculator uses the middle of each range, while your actual use will still depend on app settings, signal quality, and media quality.
Maps & ride apps
about 3-10 MB/hour
GPS is light. Live traffic, new map areas, and satellite view use more.
Messages & email
light for text; media varies
Plain text barely registers. Photos, voice notes, and videos are what add up.
Social feeds
about 200-400 MB/hour
Autoplay and short-form video can push a session above this range.
Music & podcasts
about 100-300 MB/hour
Normal streaming quality. Offline playlists keep repeat listening off your plan.
Video & short clips
about 500 MB-1.5 GB/hour
Quality matters most here. HD and higher resolutions can move well above this range.
Video calls
about 300 MB-1 GB/hour
Camera quality, group calls, and screen sharing can change the total quickly.
Web browsing
about 50-100 MB/hour
A practical range for news, shopping, and travel research without large downloads.
Behind the number
How Pelesim builds your data target
Quick profiles begin with a practical daily amount. By activity adds up the time you enter using the planning ranges above. Both routes multiply the daily total by your trip length, then add 30% for background sync, app updates, weak Wi-Fi, and heavier days.
Daily GB × trip days × 1.3 safety buffer
For example, 1 GB per day over a 7-day trip becomes 9.1 GB after the buffer. We round that up to a 10 GB target so the result maps to a plan you can actually choose.
Start with your phone's real usage
Divide your recent mobile data total by the number of days in that period. Then adjust for how much hotel Wi-Fi, streaming, and hotspot use you expect while traveling.
Make your travel data last longer
- Download maps, playlists, and shows before you leave Wi-Fi.
- Pause cloud photo backups and app updates on mobile data.
- Use Low Data Mode or Data Saver and turn off video autoplay.
- Lower streaming quality and save large uploads for Wi-Fi.
- Watch hotspot use, especially laptop updates and video calls.
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PortugalFrequently asked questions
How much data do I need per day when traveling?
A light traveler may use 300-500 MB per day. Around 1 GB per day usually covers maps, messaging, social media, and some music. Plan for 2 GB or more per day if you stream video, join video calls, or use a hotspot.
Is 1 GB per day enough for a trip?
For most everyday travel, yes. It comfortably covers navigation, messaging, browsing, social media, and some music. Regular video streaming, video calls, or hotspot use can exceed 1 GB per day.
How much data do I need for a 7-day trip?
With a 30% safety buffer, a light user needs about 4 GB, an everyday user about 10 GB, and a remote worker about 28 GB. The calculator rounds your estimate up to a plan size that can cover the trip.
Does Google Maps use a lot of mobile data?
No. Maps and ride apps typically use only a few megabytes per hour. Downloading offline maps before your trip reduces that further and gives you navigation when reception is weak.
What happens if I run out of data on a travel eSIM?
With Pelesim you can top up the same eSIM from the app or website without installing anything new. Availability depends on the plan, so check its top-up details before buying.
Do I use mobile data while connected to Wi-Fi?
Usually no. Your phone normally prefers Wi-Fi, but features such as Wi-Fi Assist or adaptive connectivity can switch back to mobile data when the Wi-Fi signal is weak. Turn those features off if you need strict control.
Can I share travel eSIM data through a hotspot?
Usually yes, when the plan allows tethering. A laptop or another phone can use the allowance much faster because updates, cloud sync, uploads, and video calls all run through the same plan.
How do I monitor hotspot data use?
On iPhone, check Personal Hotspot under Cellular data usage. On Android, look for Mobile hotspot under Data usage. Your Pelesim dashboard shows the total remaining plan allowance across all connected devices.