Icelandic Number to Words in JavaScript (is-IS)

Use is-IS when your application needs Icelandic number words for invoicing, checkout flows, or legal documents that print totals in full words.

Locale codes: is-IS · Numbering system: Short scale · Currency: Króna / Eyrir · Script: Latin

Install

npm install to-words

Basic Conversion

import { ToWords } from 'to-words';

const tw = new ToWords({ localeCode: 'is-IS' });

tw.convert(100);
tw.convert(1000);
tw.convert(1000000);

Currency - Króna / Eyrir

tw.convert(1234.56, { currency: true });
tw.convert('500.00', { currency: true, includeZeroFractional: true });

Ordinal Numbers

tw.toOrdinal(1);
tw.toOrdinal(10);
tw.toOrdinal(100);

Locale Codes

Locale code	Country	Currency	Notes
is-IS	Iceland	Króna / Eyrir	Standard Icelandic number wording

Related

• Currency guide
• Ordinal guide
• Norwegian
• Danish
• Swedish
• All locales

FAQ

Q: Which locale code should I use for Icelandic number-to-words output? Use is-IS.

Q: Does to-words support Icelandic ordinal words? Yes. is-IS includes ordinal mappings so toOrdinal() works without any custom suffix logic.