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.続きを読む 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.続きを読む How much data to share a hotspot with your travel partyWork out the total when other devices ride on your phone.続きを読む Buying data for a family tripCompare one plan each against one adult sharing to everyone.続きを読む Getting a large group online without losing anyoneFor tour leaders, trip organisers and friend groups moving together.続きを読む Which day does this plan expireValidity starts at first connection, not at purchase.続きを読む Pick your countries and see if one plan covers themFor multi-country itineraries where buying one plan per border is a chore.続きを読む
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.続きを読む 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.続きを読む What a plan price looks like in your currencyPrices are held in USD; your currency choice only changes the display.続きを読む
Managing usage
How many hours does your data actually lastPick an activity and see the gigabytes turn into hours.続きを読む How much data does streaming video eat on a tripCompare 480p, 720p and 1080p once you multiply by several evenings.続きを読む How much data an online meeting abroad costsFor people with daily standups, or a daily call home.続きを読む What automatic photo backup costs you over a tripThe reason data vanishes on trips where nobody watched any video.続きを読む How much you can use each day without running outTurn the whole allowance into a daily number you can set as a phone alert.続きを読む Will the data left last until you fly homeEnter what you have used and what is left, and see whether to top up.続きを読む What your remaining speed can still doCompare full speed against post-throttle speed in practical terms.続きを読む
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.続きを読む 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.続きを読む Twelve things to do before you flyTick them off; this browser remembers where you got to.続きを読む The eSIM is installed but nothing worksPick the symptom and work down the steps, most effective first.続きを読む
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.