How to Convert Numbers to English Words

How to Convert Numbers to English Words

Converting numbers to English words is essential for formal documents like checks, contracts, and invoices.

Reading Rules

  • 0-19: one, two, …, nineteen (memorize)
  • Tens: twenty, thirty, …, ninety
  • Hundreds: one hundred, two hundred
  • Thousands: one thousand
  • Millions: one million

Examples

  • 42 → forty-two
  • 100 → one hundred
  • 1,234 → one thousand two hundred thirty-four
  • 25,000 → twenty-five thousand
  • 1,000,000 → one million

Check/Form Example

Writing 1,250 THB on a document:

  • One thousand two hundred fifty (THB)

Tips

  • Use a hyphen between tens and units (forty-two)
  • British English uses “and” before tens/units (one hundred and five)
  • Double-check spelling, especially for hundreds and up

Try the number to words converter to convert instantly.