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Explore WeGoTrip ↗How much mobile data do you need when you travel?
Data used per hour by video, music, calls and web pages, from each service’s own figures, and a calculator for your trip.
The short answer
Video and video calls use far more data than web pages or music. So the right plan depends less on the length of your trip and more on how much video you watch and how many video calls you make away from Wi-Fi.
A week of maps, messages and browsing
About 0.6 GB · 30 web pages a day, 7 days, with a 20% margin.
Two weeks with music and some video
About 4.0 GB · 30 pages, 1 hour of music and 30 minutes of video a day, 14 days, with a 20% margin.
A week of video calls home
About 6.3 GB · 30 pages and a 30-minute video call a day, 7 days, with a 20% margin.
A month working remotely
About 55 GB · 60 pages, an hour of video calls and 30 minutes of voice calls a day, 30 days, with a 20% margin.
Work out your trip
Data used per activity
From each service’s published figures. Bit rates are converted to megabytes an hour; for calls, data you send and receive both count.
| Activity | Data used | Source |
|---|---|---|
| One web page (median mobile page, 2024) | 2 MB | HTTP Archive Web Almanac 2024 |
| An hour of video, Netflix mobile “Save Data” | 167 MB | Netflix Help Center |
| An hour of video, Netflix mobile “Automatic” | 250 MB | Netflix Help Center |
| An hour of HD video (Netflix “High”, HD) | up to 3 GB | Netflix Help Center |
| An hour of music, Spotify Normal (about 96 kbit/s) | 43 MB | Spotify Support |
| An hour of music, Spotify High (about 160 kbit/s) | 72 MB | Spotify Support |
| An hour of music, Spotify Very high (about 320 kbit/s) | 144 MB | Spotify Support |
| An hour of one-to-one video calling, Teams minimum | 135 MB | Microsoft Learn |
| An hour of one-to-one video calling, Teams recommended | 1.35 GB | Microsoft Learn |
| An hour of internet voice calling, Teams recommended | 52 MB | Microsoft Learn |
Sources: HTTP Archive Web Almanac 2024, Page weight · Netflix Help Center: how to control how much data Netflix uses · Spotify Support: audio quality · Microsoft Learn: prepare your network for Teams (checked 29 October 2026). Real use varies with the app, the content and the network.
Check what you use at home
- iPhone: Settings, then Mobile Data (Mobile Service on some models). Scroll down for each app’s use since the last reset.
- Android: Settings, then Network & internet, then SIMs or Data usage. Menu names vary by brand.
- Divide a month’s figure by 30 for a daily number, then multiply by your trip length.
Ways to use less data abroad
- Save offline maps on Wi-Fi before you go. Google Maps and Apple Maps both let you download an area.
- Download shows, films and playlists at home or at your hotel.
- Turn on Low Data Mode (iPhone) or Data Saver (Android) for the travel eSIM line.
- Set photo backup and app updates to Wi-Fi only.
- Lower the video and music quality in streaming apps’ mobile data settings.
Fixed data or a day pass?
A fixed-data plan gives you one allowance for its whole validity, which suits light or uneven use. A day pass gives a high-speed allowance each day, then a reduced speed until the next day, which suits steady daily use. Each plan page shows which type it is and how long it lasts. New to eSIMs? Read how an eSIM works.
What that data costs
The lowest current Graba SIM price for at least this much data, on a plan that lasts at least 7 days. Validity differs between plans, so each price shows what it includes.
| At least | Spain | Stati Uniti | Giappone | Türkiye | Thailand |
|---|---|---|---|---|---|
| 1 GB | £2.251GB, 7 days | £3.251GB, 7 days | £2.751GB, 7 days | £1.991GB, 7 days | £2.751GB, 7 days |
| 3 GB | £2.993GB, 15 days | £4.495GB, 30 days | £3.493GB, 30 days | £5.253GB, 15 days | £6.255GB, 30 days |
| 5 GB | £6.4910GB, 30 days | £4.495GB, 30 days | £5.495GB, 30 days | £7.995GB, 30 days | £6.255GB, 30 days |
| 10 GB | £6.4910GB, 30 days | £13.4915GB, 30 days | £8.9910GB, 30 days | £11.9910GB, 30 days | £9.7510GB, 30 days |
| 20 GB | £10.9920GB, 30 days | £13.4920GB, 30 days | £13.9920GB, 30 days | £17.2520GB, 30 days | £16.7520GB, 30 days |
Prices from the live Graba SIM catalogue when this page loaded. Other destinations: all destinations · Europa · Asia · multi-country trips.
Questions about travel data
How much data do I need for a week abroad?
For maps, messages and about 30 web pages a day, around 0.6 GB for a week, so a 1 GB plan is enough. Add music, video or video calls and it rises quickly: use the calculator on this page.
Is 1 GB enough for a holiday?
It can be for a short trip if you mainly use maps, messaging and the web. Streaming video or making video calls over mobile data will use 1 GB within a few hours.
What uses the most data?
Video. Netflix says HD video can use up to 3 GB an hour, and a one-to-one video call at Microsoft Teams’ recommended quality uses about 1.35 GB an hour.
How can I check how much data I use now?
On an iPhone, open Settings, then Mobile Data (Mobile Service on some models), and scroll down to see each app’s usage. On Android, open Settings, then Network & internet, then SIMs or Data usage; the menu names vary by brand.
What happens if I run out of data?
On a fixed-data plan, mobile data stops when the allowance is used up. A day pass drops to a reduced speed until the next day. Each plan page says whether the plan can be topped up.
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