What's the largest number supported?

Numbers up to 999 trillion are supported.

Can I customize the currency unit names?

Yes, set custom names for the main unit and fractional unit, e.g. dollar/cent or euro/centime.

How are decimals handled in plain mode?

Each digit after the decimal point is read out individually, e.g. '3.14' becomes 'three point one four'.

Number to Words Converter

Convert numbers into English words, with a currency mode.

Works Offline

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No Login

No API

Mode

Number

Value

Words

one thousand two hundred thirty-four point five six

About the Number to Words Converter

Convert whole or decimal numbers into English words, with an optional currency mode that spells out dollars/cents (or any custom unit names) for check writing and invoices.

Examples

Currency

1234.56

Output

one thousand two hundred thirty-four dollars and fifty-six cents

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser