Data & format utilities

Number to Words

Convert numbers to English words — whole numbers, decimals, negatives and up to trillions. Free, instant, in your browser.

Convert numbers to words

Enter a number (one per line) to spell it out in English words.

In words

Features

Spells out whole numbers and decimals
Handles negatives and very large numbers
Supports thousands, millions, billions
Converts many numbers at once
Ignores thousands separators
Runs entirely in your browser

Common use cases

  1. 1Writing amounts on cheques
  2. 2Spelling figures in contracts
  3. 3Filling legal or invoice text
  4. 4Teaching number names
  5. 5Generating readable labels
  6. 6Double-checking a large number

Related tools

About number to words

Spelling numbers as words is required on cheques, in contracts and legal documents, and anywhere a figure must be unambiguous. Doing it by hand for large numbers is easy to get wrong.

This converter turns each number into English words — handling decimals (as "point"), negatives, and scales up to trillions — one result per line. It runs entirely in your browser.

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FREQUENTLY ASKED QUESTIONS

Got Questions? We Have Answers.

What numbers can it convert?

Whole numbers, decimals (as "point"), and negatives, with scale names up to trillions. Enter one number per line.

What is it used for?

Writing amounts on cheques, spelling figures in contracts and invoices, teaching, and double-checking large numbers.

Does it handle thousands separators?

Yes. Commas in the input are ignored.

Does it run in my browser?

Yes. The conversion is entirely client-side.