Number to Words Converter

Number to Words Converter — 16 Languages, 3 Formats

Sometimes you need a number written out in full — for an invoice, a legal document, a check, or just because you're working in a language you don't know well. Type any number and this tool converts it to words instantly, in 16 languages. You get three output modes to choose from: plain Words ("one thousand two hundred thirty-four"), Currency with localized unit names ("one thousand two hundred thirty-four dollars and fifty-six cents"), or Check Writing for US bank checks ("One Thousand Two Hundred Thirty-Four and 56/100 DOLLARS"). Works with integers, decimals, and negative numbers up to 999 billion. Everything runs in your browser — no uploads, no sign-in.