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