Invoice vs. Bill: What Is the Difference?

The short answer

If you are the seller, it is an invoice and it creates money owed to you. If you are the buyer, it is a bill and it creates money you owe.

Say you repair air conditioners. You finish a job and send the customer a document listing the work and the amount. For you, that is an invoice, and it is recorded as accounts receivable. For the customer, it is a bill, recorded as accounts payable.

The same goes the other way. When your parts supplier sends you a document for the compressors you bought, you got an invoice from them, and in your books it is a bill to pay. Our guides on accounts receivable and accounts payable explain the two sides.

What a good invoice includes

A clear invoice shows your business details, the customer, a unique number, dates, itemized charges, total, payment terms and how to pay.

Include these items every time:

• Your business name, address and contact details
• Customer name and billing address
• Unique invoice number
• Invoice date and due date
• Description, quantity and price of each item or service
• Taxes, discounts and the total due
• Payment terms, such as net 30, and accepted payment methods
• Late fee wording, if you charge one

Clear invoices get paid faster. See a beginner's guide to invoicing, what to include on an invoice and how to get paid faster.

How bills work on the paying side

When you receive an invoice from a vendor, you record it as a bill, check it against your order, then pay by the due date.

A simple bill process protects your cash and your relationships:

1. Record the bill when it arrives with the vendor, date, amount and due date.
2. Match it to the purchase order or delivery. Catch errors and duplicates.
3. Approve it, then schedule payment for the due date or an early-payment discount date.
4. Pay and mark it paid, keeping a copy.

Paying late can cost fees and damage supplier terms, while paying everything immediately can strain cash. Time payments to your own cash flow. For more on timing, see paying an invoice and cash flow analysis.

How each is recorded

Invoices increase accounts receivable and revenue. Bills increase accounts payable and an expense or asset. Cash moves only when payment happens.

This holds under accrual accounting. Under cash-basis accounting you record income and expenses when money moves. See cash vs. accrual accounting and double-entry accounting.

Where timing gaps create cash trouble

Many businesses pay bills in 30 days but wait 45 to 60 days to collect invoices. That gap is a common reason profitable companies run short of cash.

Suppose you bill a customer $12,000 on net-45 terms, but your supplier wants the $5,000 for materials in 30 days and payroll is due every two weeks. The sale is profitable on paper and you still need to fund the gap.

Ways to reduce it: invoice the day work finishes, shorten terms, ask for deposits, follow up politely and early on late invoices, and negotiate longer terms with suppliers. See tips for collecting unpaid invoices and cash flow vs. profit.

When the gap needs funding

If waiting on invoices leaves you short for payroll or materials, a line of credit or working capital can bridge it. ROI Funder does not place invoice factoring.

Invoice factoring means selling your unpaid invoices at a discount for fast cash. ROI Funder does not place invoice factoring or accounts receivable financing. The closest fits are a business line of credit, which you draw on and repay as customers pay, and working capital. Factoring may suit a business with very large, slow-paying commercial invoices, but it can be costly and affects customer relationships, so learn the terms first. See understanding invoice factoring.

ROI Funder considers 500+ FICO, 6+ months in business and $20,000+ monthly revenue, with same-day funding possible on approved, complete files. Applying uses a soft credit pull.