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T-money in Korea: How to Use It (2025 Complete Guide)

A 2025 guide to using T-money in Korea: where to buy it, how to top it up, and how to use it for subways, buses, taxis, and stores.
Illustration of a T-money transportation card used in Korea, featured for the 2025 complete guide on how to buy, charge, and use it.

T-money is one of the most useful items you can carry in South Korea. It allows you to tap and pay for subways, buses, taxis, and even convenience store purchases. Whether you're a traveler, student, or expat, understanding how T-money works will make your life much easier.

This guide explains how to buy, charge, and use T-money in 2025—step by step.

Before you begin, you may also find this guide useful: Top 10 Must-Have Apps in Korea (2025 Edition) .

Table of Contents

1. What Is T-money?

T-money is a rechargeable smart card used for:

  • Subways
  • Buses
  • Taxis
  • Convenience stores (CU, GS25, 7-Eleven)
  • Some vending machines and lockers

It is the most convenient way to travel in Korea without worrying about coins or language barriers.

2. Where to Buy a T-money Card

You can buy T-money at:

  • Convenience stores (CU, GS25, 7-Eleven, Emart24)
  • Subway station kiosks
  • Airport kiosks (Incheon, Gimpo)

A basic card costs 2,500–4,000 KRW (no balance included). Cute design versions cost slightly more.

3. How to Charge (Top-Up) T-money

You can recharge T-money at:

  • Convenience stores
  • Subway station top-up machines
  • Some bus terminals

How to charge at a convenience store

  1. Give the card to the cashier.
  2. Tell them your amount (e.g., “ten thousand won”).
  3. Pay with cash or card (store policy varies).
  4. Your card will be topped up immediately.

4. Using T-money on Transportation

Subway

  • Tap when entering.
  • Tap when exiting.

Bus

  • Tap when boarding.
  • Tap again when getting off for transfer discounts.

Taxi

  • Tell the driver “T-money.”
  • Tap the card reader to pay.

5. Convenience Store Payments

Many convenience stores accept T-money as a prepaid wallet. This is useful if your foreign credit card fails.

6. Mobile T-money (Android & iPhone)

Android

Android phones with NFC can use mobile T-money. You can top up and use the app like a physical card.

iPhone

As of 2025, Apple Pay does not support T-money. iPhone users must use a physical T-money card.

7. How to Check Your Balance

  • Shown when tapping subway gates
  • Shown on bus readers
  • Convenience stores can check it
  • Station machines also show the balance

8. Practical Tips (2025)

  • Keep 5,000–10,000 KRW on your card.
  • Use correct tap-in/out for transfer discounts.
  • Cards can be damaged; replace if unreadable.
  • Carry a backup payment method.

9. FAQ

Can tourists use T-money?
Yes—no registration needed.

Is T-money usable nationwide?
Yes, it works in most major cities.

Can I refund my balance?
You can refund the remaining balance at some stores, but not the card cost.