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Writing an amount in words is required on checks and common on invoices, contracts and receipts. It protects the amount from tampering: it's easy to change “1000” into “7000” with one stroke, but hard to alter “one thousand dollars”. This guide covers the rules in English — and in Arabic, where number grammar is notoriously tricky — with ready-made examples.
Writing check amounts in English
- Start at the far left of the line so nothing can be inserted before the words.
- Hyphenate compound numbers from twenty-one to ninety-nine: forty-five, seventy-two.
- Write cents either as a fraction (“and 50/100”) or in words (“and fifty cents”).
- Finish with “only” or draw a line through the remaining space.
- Make sure words and figures match — if they differ, banks generally treat the words as authoritative.
Examples
| Amount | In words |
|---|---|
| $250.00 | Two hundred fifty and 00/100 dollars |
| $1,000.00 | One thousand and 00/100 dollars |
| $2,575.40 | Two thousand five hundred seventy-five and 40/100 dollars |
| $15,000.00 | Fifteen thousand and 00/100 dollars |
American checks often reserve “and” for the decimal point, while British English says “two hundred and fifty”. Both are understood.
Writing amounts in Arabic (tafqeet)
If you invoice Arabic-speaking clients, amounts are traditionally written starting with «فقط» (only) and ending with «لا غير» (nothing more). Arabic number–noun agreement follows special rules:
- 1 and 2 follow the noun and agree with it: «درهم واحد», «درهمان».
- 3–10 take the opposite gender with a plural noun: «ثلاثة دراهم».
- 11–99 take a singular accusative noun: «خمسة عشر درهمًا».
- Hundreds and thousands take a singular genitive noun: «مائة درهم», «ألف ريال».
You don't need to memorize these. Type any amount in the Number to Words tool, choose a currency, and get correct English and Arabic wording instantly, including the check-style format.
Sub-units and decimals
Each currency has its own sub-unit: 100 cents to the dollar or euro, 100 halalas to the Saudi riyal, 100 fils to the UAE dirham — but 1,000 fils to the Kuwaiti dinar and 1,000 millimes to the Tunisian dinar. So 5.250 KWD is “five dinars and two hundred fifty fils”, not “twenty-five”.
Invoice tips
- Calculate tax first with the VAT Calculator, then spell out the final total.
- Show the net amount, tax and total separately, and the total in words below the figure.
- Keep one style consistently throughout a document.