Currency and formatting
- Currency
- United States Dollar (USD)
- Symbol
- $ — placed before the amount
- Decimal places
- 2
- Formatted example
- $123,456.78
- Thousands separator
- ,
- Decimal separator
- .
- Digit grouping
- threes (3)
- Live rate
- 1 USD = 1 USD (pivot, 2026-07-17)
Tax
United States has no single national consumption tax that applies at a checkout. We report this as a null rather than inventing a rate.
Payment methods in United States
Roughly ordered by real-world use — not by what a card processor would prefer you offer.
- 01 card
- 02 apple pay
- 03 google pay
- 04 paypal
- 05 klarna
- 06 affirm
- 07 afterpay
- 08 amazon pay
- 09 ach direct debit
Card schemes that work domestically: visa, mastercard, amex, discover, diners, jcb, unionpay. 3-D Secure is not standard; strong customer authentication is not legally mandated.
Locale
- Primary
- en-US
- Also used
- es-US
- Official languages
- English
- Regional
- Spanish, Hawaiian
- Direction
- left-to-right
- Date format
- MM/DD/YYYY
- Measurement
- imperial
- GDPR applies
- no
Phone numbers
- Calling code
- +1
- Mobile format
- +1 (XXX) XXX-XXXX
- Digits
- 10
United States: common questions
What currency does United States use?
United States uses the United States Dollar (USD), symbol $. It uses 2 decimal places, formatted as $123,456.78.
How many decimal places does USD have?
USD has 2 decimal places. Charging with the wrong number of minor units is a 100× error, so this is worth getting right.
Is there sales tax in United States?
United States has no single national consumption-tax rate that applies to a checkout.
What payment methods are used in United States?
The methods that matter in United States, in rough order of use: card, apple pay, google pay, paypal, klarna, affirm, afterpay, amazon pay, ach direct debit.
What is the dialling code for United States?
United States's country calling code is +1. Mobile numbers are formatted +1 (XXX) XXX-XXXX (10 digits after the country code).
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