How to track cash, ATM withdrawals and exchange fees while travelling

Think in cash pockets, not one global balance

Cash becomes confusing abroad because three different events are often mixed together: obtaining notes, spending notes and paying for the privilege of obtaining them. Separate those events and the arithmetic becomes simple.

Treat each physical currency as its own pocket. If you carry euros and Czech koruna, you have two balances. A balance rises when you withdraw or receive that currency and falls when you spend or exchange it. It should never rise merely because an exchange rate changed; the number of notes in your wallet did not change.

This approach answers two distinct questions:

• How much cash do I physically have? Track the local units in each pocket.
• How much has the trip cost in my home currency? Convert purchases and fees using an appropriate dated rate.

Combining both in one number creates double-counting and mysterious discrepancies.

Record an ATM withdrawal as a transfer

An ATM withdrawal is not a purchase. It moves money from your bank into a cash pocket. Only its fees are travel costs at that moment.

Imagine withdrawing ¥20,000 in Japan. The machine charges ¥220, and your bank later posts a $5 out-of-network fee. Record it as:

1. Cash received: +¥20,000 to the JPY pocket.
2. ATM operator fee: ¥220, converted to your home currency on that date.
3. Bank fee: $5 in the currency actually charged.

When you later pay ¥1,400 cash for lunch, subtract ¥1,400 from the pocket and count ¥1,400 as food spending. If you counted the ¥20,000 withdrawal as spending too, the same lunch would be included twice.

Some machines include the local fee in one debit; others show it separately. Preserve each amount in its actual currency. Do not assume a bank fee uses the cash currency.

Decline confusing conversion offers carefully

An overseas ATM or card terminal may offer to convert the transaction into your home currency. This is commonly called dynamic currency conversion. The screen often emphasizes familiarity—“pay in dollars”—while the offered exchange rate may include a markup.

In many cases, choosing the local currency lets your card network or issuer perform the conversion instead. Check your own card’s foreign-transaction terms before travelling, because fees and benefits vary. Whichever option you choose, record the amount and currency the machine actually charged, not the amount you expected it to charge.

Keep the ATM receipt until the withdrawal appears on your bank account. It helps distinguish the amount dispensed, the operator fee and any conversion choice if the final debit looks unfamiliar.

Record a currency exchange from both sides

A cash exchange also transfers value between pockets. Suppose you hand over €100 and receive 2,650 Czech koruna.

• Subtract €100 from the EUR pocket.
• Add Kč2,650 to the CZK pocket.
• Record any explicit commission as a fee.
• Keep the effective rate implied by what you gave and received.

Do not count €100 as spending and then count every koruna purchase too. The exchange changes the form of your cash; later purchases are the expenses. A “no commission” booth may instead give a poor rate. The effective rate still captures the result.

When exchanging back at the end of a trip, record that movement too. This prevents leftover cash from appearing to have been spent when it was simply converted or brought home.

Log every cash purchase in its local currency

For each cash purchase, keep the amount printed on the menu, ticket or receipt. Convert it for the trip total, but never discard the original figure. A typical record needs only:

• local amount and currency;
• a recognizable description;
• cash as the payment method;
• category, if you use categories;
• date and approximate time.

The pocket balance then becomes a useful error detector. If the record says you should have ฿3,200 but you count roughly ฿1,700, look for a missing taxi, market purchase or tip. Do not wait several days: cash leaves fewer searchable traces than card spending.

For a complete lightweight capture routine, see how to track all travel expenses.

Reconcile without counting every coin nightly

A “pocket check” compares the tracked balance with the cash actually present. You do not need a perfect audit every evening. Count larger notes, estimate small change and investigate only meaningful gaps.

Use this routine at the end of a day or before leaving a currency area:

1. Count the wallet, money belt and any separated emergency cash.
2. Compare that amount with the tracked pocket.
3. Review the day’s route and likely cash-only moments.
4. Add genuinely forgotten purchases.
5. If a small difference remains, enter a clearly labelled cash adjustment rather than altering an unrelated expense.

A correction preserves an honest balance and shows that the difference was uncertain. Editing a restaurant amount merely to force agreement makes the record less reliable.

Handle common edge cases explicitly

Tips and rounded bills

Record what physically left your hand, including the tip. If a restaurant bill was €47 and you left €50, the cash expense is €50. You may keep the tip separate for detailed reporting, but the pocket must fall by the full amount.

Refunds and returned deposits

A cash refund increases the relevant pocket and reduces the related expense. A refundable locker or key deposit can be recorded as money temporarily out, then reversed when returned. If it is never returned, it becomes a cost.

Someone hands you cash

If a friend repays you, increase the pocket but do not call it income from the trip. Link it to the shared balance or settlement it repays. Group accounting is covered in the guide to splitting trip expenses.

Shared cash envelopes

If a group creates a communal envelope, treat it as a distinct pocket. Record who contributed, what the envelope paid for and how any remainder was divided. Otherwise both personal wallets and the shared envelope may claim the same notes.

Lost or stolen cash

Reduce the physical pocket with a labelled adjustment. Whether you include that loss in the trip-cost total is a reporting choice, but it should not masquerade as food, shopping or an unexplained negative balance.

Reduce fees without obscuring them

Fewer, larger withdrawals can reduce repeated fixed fees, but carrying more cash increases loss risk and may exceed an ATM or bank limit. A sensible withdrawal size balances fees, safety and how widely cards are accepted. Avoid repeated “just in case” withdrawals when you are about to leave a country.

Track operator fees, bank fees and card foreign-exchange fees separately. A fee total reveals whether a supposedly convenient ATM pattern is expensive. It also makes comparisons fair: cash spending should not look cheaper merely because its access costs were hidden elsewhere.

Let a tracker do the pocket arithmetic

Souvenir models ATM withdrawals, currency exchanges, cash purchases and fees separately, then maintains a pocket for each currency. It also connects that cash record to a daily budget and the rest of the trip journal. Souvenir is free and available now on Android 8 and later. Shared trips require Android 13 or later. The iPhone app is coming soon and is awaiting Apple’s review.

You can log and browse expenses offline. An uncached exchange rate or map needs a connection, as do shared-trip invitations and synchronization. That means a remote market purchase can be captured immediately even if its home-currency conversion completes later.

Quick cash questions

Is withdrawing cash part of my trip budget?

The cash itself is not spending, but ATM and bank fees are. Purchases made from the withdrawal enter the budget when they happen.

Should leftover foreign cash reduce the trip total?

It was not spent, so do not treat it as an expense. Keep it as a remaining pocket, record an exchange back, or note that you brought it home.

Why does my tracked balance differ from my wallet?

The usual causes are missing tips, small transit fares, repayments, misplaced cash or an incorrect starting balance. Check recent activity, then use a labelled adjustment for an irreducible small difference.