美国免费发票生成器
US invoices generally do not include federal tax — instead, sales tax is applied state by state, and only on certain goods and services. This generator is pre-configured for US-style invoices in USD with no default tax, ready for you to add your state rate if needed. No sign up, instant PDF.
美国开票规则
- 01
Sales tax varies by state (0%–10.25%) and only applies to taxable goods/services.
- 02
Most professional services (consulting, design, software) are exempt in most states.
- 03
Use Net 30 as a default unless your contract specifies otherwise.
- 04
Include your EIN if billing as a registered business.
常见问题
Do I need to charge sales tax?+
Only if you sell taxable goods/services and have nexus in the customer's state. Check your state's Department of Revenue.
What is Net 30?+
Payment is due 30 calendar days after the invoice date. It is the most common B2B payment term in the US.
Do US invoices need an invoice number?+
Not legally required, but strongly recommended for accounting and dispute resolution.