Thai Numbers
How to count in Thai
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Lingo Ninja Research Team
3 min read · first published April 28, 2021

Thai numbers 0 to 10

Thai has its own digits for 0 to 9. Numbers in Thailand are written like in the west, simply by replacing western digits with Thai digits.
  • 0
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

Thai numerals (number words) 0 to 10

Numerals are the words that describe a number, for example, the "two" in "two cats". Here are the numerals for zero to ten in the Thai language:
  • 0 - zero
  • 1 - one
  • 2 - two
  • 3 - three
  • 4 - four
  • 5 - five
  • 6 - six
  • 7 - seven
  • 8 - eight
  • 9 - nine
  • 10 - ten

How to count numbers between 10 and 9999

Thai numbers higher than ten are tricky and have a few extra rules that you need to follow. 

Multiples of 10

To build multiples of ten, you need to follow one rule and 2 exceptions:

Rule: 30, 40, 50, ... 90
These numbers are easy to pronounce. You use the numeral 3 ... 9 and add the numeral for 10: 
  • 30 ๓๐ - thirty
  • 40 ๔๐ - fourty
  • 50 ๕๐ - fifty
  • 60 ๖๐ - sixty
  • 70 ๗๐ - seventy
  • 80 ๘๐ - eighty
  • 90 ๙๐ - ninety
Exception: 20
Thai has a special word for twenty:
  • 20 ๒๐ - twenty
Exception: 10
The number 10 is very easy to pronounce. As listed above, 10 is simply:
  • 10 ๑๐ - ten

Numbers ending in 1 (like 11, 21, 31, ..., 101, ...)

All numbers ending in 1 follow a simple pattern: You have to use instead of .
  • 11 ๑๑ - eleven
  • 21 ๒๑ - twenty one
  • 31 ๓๑ - thirty one
  • 101 ๑๐๑
    one hundred and one

Multiples of 100

For multiples of a hundred, you use the word after the numeral for 1-9
  • 100 ๑๐๐ - hundred
  • 200 ๒๐๐ - two hundred
  • 300 ๓๐๐ - three hundred
  • 400 ๔๐๐ - four hundred
  • 500 ๕๐๐ - ...
  • 600 ๖๐๐  
  • 700 ๗๐๐  
  • 800 ๘๐๐  
  • 900 ๙๐๐  
So, let's see some examples for numbers up to 999, combining all rules up until now:
  • 111 ๑๑๑ 
  • 222 ๒๒๒ 
  • 333 ๓๓๓ 
  • 444 ๔๔๔ 
  • 555 ๕๕๕ 
  • 666 ๖๖๖ 
  • 777 ๗๗๗ 
  • 888 ๘๘๘ 
  • 999 ๙๙๙ 

Multiples of 1,000

The Thai word for thousand is . Similar to multiples of a hundred, you use the word after the numeral for 1-9.
  • 1,000 ๑๐๐๐ - one thousand
  • 2,000 ๒๐๐๐ - ...
  • 3,000 ๓๐๐๐
  • 4,000 ๔๐๐๐  
  • 5,000 ๕๐๐๐  
  • 6,000 ๖๐๐๐  
  • 7,000 ๗๐๐๐  
  • 8,000 ๘๐๐๐  
  • 9,000 ๙๐๐๐  
Here is a more complex example:
  • 1,234 ๑๒๓๔ 

    one thousand two hundred thirty four

How to count to 9,999,999

Thai has some numerals which might be surprising for speakers of Western languages:
  • 10,000 ๑๐๐๐๐
    ten thousand
  • 100,000 ๑๐๐๐๐๐
    a hundred thousand
  • 1,000,000 ๑๐๐๐๐๐๐
    one million
You combine these numerals similar to the rule for hundreds and thousands. Let's try some examples:
  • 1,110,000 ๑๑๑๐๐๐๐

    one million one hundred ten thousand.
  • 1,234,567

    one million two hundred thirty-four thousand five hundred sixty-seven

10 million and up

Now, the system starts to repeat. Just count the number of millions in Thai, and put it before .
  • 10 million
  • 100 million
  • one billion (= 1,000 million)
  • 10 billion
  • 100 billion
  • one trillion (= 1,000 billion, or a million millions)

Decimals

In the Thai language, you read decimals similar to English. You say and then you read the digits one by one. Here are some examples:
  • 0.53
    zero point five three
  • 10.2
    ten point two

Fractions

To say fractions in Thai, you read the part above the line, then say , and then you say the part below the line. Let's see some examples:
  • 1/2
  • 2/3
  • 3/20
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