What does UPS stand for? On a delivery truck or a shipping label, UPS stands for United Parcel Service, the package delivery company. On a computer desk or in a server room, the same letters usually mean something else: an uninterruptible power supply, a battery box that keeps equipment running when the power cuts out.
Both meanings are common, and where you see the letters usually settles which one is meant. This page covers the company name first, then the tech term.
Quick facts
Stands for
United Parcel ServiceType
Initialism, said U P SStarted
1907, in Seattle, as a messenger serviceHeadquarters
Atlanta, GeorgiaOther meaning
Uninterruptible power supply (tech)Not to be confused with
USPS, the U.S. Postal Service
What does UPS stand for? The company name
One letter for each word of the business name:
- U for United
- P for Parcel, an older word for a package
- S for Service
The ups full form is rarely spoken now. People say "U P S" the way they say any initialism, and the company itself goes by the letters. On a label, a tracking page or a store sign, you will nearly always see the short version.
Where the name came from
The business began in 1907 in Seattle as a small messenger company, with young couriers running errands and delivering notes and packages on foot and by bicycle. Over the next years it shifted toward delivering packages for local stores. As it grew beyond Seattle and into California, it took on the name United Parcel Service. The word "united" described the idea of many delivery operations working under one name.
The company later moved its headquarters to Atlanta, Georgia, and expanded across the country and then around the world. The brown trucks and uniforms became part of its public image.
What UPS means on a label or a notice
When the letters are on a box, an email or a door tag, they point to the carrier handling the package. A few related terms show up alongside them:
- Tracking number: the code that shows where the package is.
- ETA: the estimated time of arrival for the delivery.
- Delivery notice: a tag left when no one was home to sign.
- Ground and air: slower road delivery or faster air delivery.
Order email: "Your order has shipped via UPS. Expected delivery Thursday." This means the seller handed the box to United Parcel Service, which will bring it to your door.
UPS vs USPS
These two get mixed up all the time, but they are different organizations.
| Short form | Full form | What it is |
|---|---|---|
| UPS | United Parcel Service | A private company |
| USPS | United States Postal Service | The federal mail agency |
USPS delivers letters and runs post offices. UPS is a separate business that focuses on packages. A tracking number from one will not work on the other's system.
UPS in tech: uninterruptible power supply
In computing, the letters stand for uninterruptible power supply. It is a box with a battery that sits between the wall outlet and your equipment. If the power flickers or goes out, the battery takes over right away, giving you time to save work and shut down safely. Offices use them for servers and network gear; home users plug in desktop computers, modems and routers.
IT ticket: "Server room UPS is beeping, battery at 40 percent." The battery backup is running, likely because the building lost power.
Lowercase "ups" in plain English is just the plural of up, as in "ups and downs."
How to say and write it
Say each letter: "U P S." Because U is said "you," write a before it, not an: a UPS driver, a UPS unit. Use capital letters with no periods. As a verb, people sometimes say "I'll UPS it to you," which is casual. In formal writing, "ship it by UPS" reads better.
Other company names formed from initials are collected under brand name acronyms. For the basics of letter-by-letter names, read acronym vs abbreviation.
Questions people ask
What does UPS stand for in shipping?
In shipping it stands for United Parcel Service. It is the name of the company that picks up and delivers the package.
What does UPS stand for in computers?
In computers and electronics, UPS means uninterruptible power supply. It is a battery backup that keeps devices on during a short outage.
Is UPS the same as the post office?
No. The post office is USPS, the United States Postal Service, a federal agency. UPS is a private company.
When was UPS founded?
It started in 1907 in Seattle as a messenger company and later took the name United Parcel Service as it grew.
Is UPS an acronym?
Strictly speaking, no. People pronounce it as three separate letters, which makes it an initialism. Searches for the ups acronym show that everyday speech uses the looser label too.