Calculators and planning tools for data abroad
Every tool runs on the numbers you enter. Free, no sign-up, and no result is bent toward the plans we earn more on.



Planning before you buy
Work out how many GB this trip needsEnter your days and how you use data, then see the GB figure to buy without overpaying for headroom you never touch.Leer más Answer four questions, see which kind of plan fitsIt does not push one product. It tells you which type of plan suits your trip: single country, regional, daily, or unlimited.Leer más How much data to share a hotspot with your travel partyWork out the total when other devices ride on your phone.Leer más Buying data for a family tripCompare one plan each against one adult sharing to everyone.Leer más Getting a large group online without losing anyoneFor tour leaders, trip organisers and friend groups moving together.Leer más Which day does this plan expireValidity starts at first connection, not at purchase.Leer más Pick your countries and see if one plan covers themFor multi-country itineraries where buying one plan per border is a chore.Leer más
Cost comparison
eSIM or roaming: which is cheaper for this tripEnter the roaming price your own operator charges and the plan price you are looking at, then read the difference across the whole trip.Leer más Rent a pocket wifi or use an eSIMPocket wifi is shared across devices but costs a daily rental and has to be returned. Put your trip's numbers in.Leer más What a plan price looks like in your currencyPrices are held in USD; your currency choice only changes the display.Leer más
Managing usage
How many hours does your data actually lastPick an activity and see the gigabytes turn into hours.Leer más How much data does streaming video eat on a tripCompare 480p, 720p and 1080p once you multiply by several evenings.Leer más How much data an online meeting abroad costsFor people with daily standups, or a daily call home.Leer más What automatic photo backup costs you over a tripThe reason data vanishes on trips where nobody watched any video.Leer más How much you can use each day without running outTurn the whole allowance into a daily number you can set as a phone alert.Leer más Will the data left last until you fly homeEnter what you have used and what is left, and see whether to top up.Leer más What your remaining speed can still doCompare full speed against post-throttle speed in practical terms.Leer más
Setup and troubleshooting
Search your model and see if it takes an eSIMType a model such as iPhone 13 or Galaxy S22 and read the answer, plus the in-phone check that beats any lookup table.Leer más When to switch the eSIM on so no day is wastedBefore boarding, at a layover, or after landing — it depends on the plan's activation policy.Leer más Twelve things to do before you flyTick them off; this browser remembers where you got to.Leer más The eSIM is installed but nothing worksPick the symptom and work down the steps, most effective first.Leer más
These tools give estimates to decide with, not measurements from a live network or your handset. The most accurate number for you is your own data usage from a past trip.