page_title: Self-checkout
hierarchical_section_title: Self-checkout
caption_attribution_description: English: Self-checkout lane at IKEA in College Park, Maryland.
context_page_description: Self-checkout machines provide a mechanism for customers to process their own purchases from a retailer. They are an alternative to the traditional cashier-staffed checkout. The customer performs the job of the cashier themselves, by scanning the items' barcodes and then paying for the items by inserting cash into the machine, or entering payment card information.
  As of 2013, there were 191,000 self-checkout units worldwide, and the number was estimated to reach 325,000 units by 2019. The machines were invented by David R. Humble.
context_section_description: Self-checkout (also known as self-service checkout and as semi-attended customer-activated terminal, SACAT) machines provide a mechanism for customers to process their own purchases from a retailer. They are an alternative to the traditional cashier-staffed checkout. The customer performs the job of the cashier themselves, by scanning the items' barcodes and then paying for the items by inserting cash into the machine, or entering payment card information.
  As of 2013, there were 191,000 self-checkout units worldwide, and the number was estimated to reach 325,000 units by 2019. The machines were invented by David R. Humble.
caption: NCR Corporation model of self-service checkout at an IKEA store.
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