You did the homework. You can count past a million, you know it's ngàn down here, you can say a price out loud without sweating. Then the lady at the market glances at your basket and goes "Ba xị rưỡi nha con" — and your brain returns a blank white screen.
That's not a hole in your numbers. That's the slang layer. Real Saigon money talk barely uses the polite textbook amounts. It uses little nickname units, it drops half the words, and it comes at you fast. Good news: there are only about four words to learn. Here they are, over iced coffee.
Quick answer: In Saigon, xị and lít both mean 100,000đ, củ means 1,000,000đ, and tờ means a banknote — so ba xị rưỡi is 350k and hai chục củ is 20 million.
The 30-second recap (that's all you need)
Quick refresher before the fun part. Down here a thousand is ngàn, prices drop the đồng entirely, chục is ten and trăm is a hundred, and rưỡi tacks on a half. So bốn chục at a food stall means 40,000đ, and "40k" written on a sign is read the exact same way. That's the whole foundation — everything below is built on top of it.
Xị and lít — the 100k twins
One xị = 100,000đ. One lít = also 100,000đ. Same value, slightly different flavour: xị shows up more in prices people quote you, lít shows up more when someone's talking about cash in their pocket. Both are casual, friendly, everywhere.
Common mistake
At a petrol pump, lít goes back to meaning an actual litre of fuel. If the guy says "Hai lít nha anh" while holding the nozzle, he means two litres, not 200k. Context decides: hands on a pump = fuel, hands on a wallet = money.
Củ — the million word
This is the one you'll hear most, because Saigon life happens in millions: rent, phones, motorbike repairs, salaries. Một củ = 1,000,000đ. Nobody says the full number in conversation, it's just too long.
Tờ — when you mean the actual piece of paper
Tờ isn't an amount, it's the note itself. It matters more than you'd think, because half of Saigon's small commerce is a negotiation about who has change.
How the slang stacks
Here's the trick that unlocks everything: chục means "ten of whatever unit is on the table right now." On its own with prices, the unit is thousands — so hai chục is 20k. But glue it to củ and it becomes ten millions: hai chục củ = 20 million.
Then the tails ride along on top: rưỡi (a half), mốt (a one), tư (a four). Once you see the pattern it's just Lego.
Good to know
Once you're above a million, people stop being precise on purpose. Mấy chục củ means "a few tens of millions", trăm mấy củ means "a hundred-and-something million." It's the Saigon version of saying "like, a hundred grand-ish."
The 50k / 500k trap
This is the one that costs real money. In fast speech the seller says năm chục (50k) or năm trăm (500k) — no ngàn, no đồng, just two syllables flying past your ear. Same first word, same rhythm, ten times the price.
Two things save you. First, the sound: chục slams shut and stops dead, while trăm stays open and hums out through the nose. Train your ear on the ending, not the beginning. Second — and honestly this one saves you more often — the sanity check: a bunch of morning glory is not 500k, and a real leather bag is not 50k. Match the number to the object.
And when you're still not sure, just ask. Nobody minds, everybody does it:
Local tip
Say the number back out loud while you hand over the cash: "Năm chục nha". If you got it wrong, they'll correct you before the money leaves your hand — which is a much better time to find out.
Prices shouted at you at full speed
The market and the petrol pump are the two places where Vietnamese arrives fastest. It helps to know the exact lines that get shouted, so your ear has something to grab.
| What you mean | Southern (Saigon) | Northern (Hanoi) |
|---|---|---|
| 100,000đ, slangy | xị, lít | vé, lít |
| 1,000,000đ, slangy | củ | củ, also chai |
| 1,000 | ngàn | nghìn |
| To give change | thối tiền / thối lại | trả lại tiền |
Try it yourself
- Write the number: ba xị rưỡi
- Write the number: hai chục củ
- Write the number: củ mốt
- Write the number: bốn lít
- Write the number: hai củ rưỡi
- You think the mango seller said 500k for three mangoes. Ask her to repeat it.
- Ask the petrol guy for 60k of fuel.
Answers: 1. 350.000đ · 2. 20.000.000đ · 3. 1.100.000đ · 4. 400.000đ · 5. 2.500.000đ · 6. Dì nói lại giùm con, năm chục hay năm trăm? · 7. Đổ sáu chục nha anh.
Frequently asked questions
Is it rude to use xị and củ?
Not at all — but it is casual. Markets, street food, friends, your landlord, the guy fixing your bike: perfect. At a bank counter or in a work meeting, use the full numbers instead.
What's the actual difference between xị and lít?
Value-wise, none — both are 100k. You'll hear xị more when someone quotes you a price, and lít more when someone's talking about cash they're carrying or withdrawing. Use either and nobody blinks.
Can I say một củ rưỡi, or is it just củ rưỡi?
Both work. Củ rưỡi is what most people actually say — the một falls off naturally, same way nửa củ just means 500k.
Does xị mean anything besides money?
Yes, and it's the fun one: a xị is also a small bottle of rice liquor. So "Làm xị đế đi!" is an invitation to drink, not a price. Nobody confuses them in real life — the context is very different.
Will Grab drivers and shop staff use this slang with me?
Often, yes — especially for cash. If you look confused they'll usually switch to the full number, but that's exactly the moment where you can win a smile by answering "Dạ, hai xị hả anh?" instead.
What's the fastest way to train my ear for this?
Volume and repetition with a real person. Listening to shouted prices in the wild is brutal at first; drilling them with a teacher who slows down, then speeds up, works far better. That's a big part of why people learn Southern Vietnamese online with a Saigon native rather than from a book — the book can't shout at you from behind a fruit stand.
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- Listen to the SVFF podcast — real Southern Vietnamese, free.
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