T-120, T-160, E-180: What the Numbers on a VHS Tape Actually Mean
Pick up any blank VHS tape and the front says T-120. Or T-160. Or, if it came from across the Atlantic, E-180. The code tells you how much time you have before the tape runs out mid-movie.
Once you can read the label, every tape in a thrift store bin makes sense. Below: the code, the speeds that stretched it and the tiny plastic tab that decided what could be recorded over.
What the letter and number mean
The letter is the TV system. "T" marks playing time in minutes for NTSC markets, which means the Americas and Japan. "E" marks playing time for the PAL and SECAM markets, such as Europe and Australia. Call it the PAL label.
The number is the recording time in minutes at the fastest speed, called SP, for that market. A T-120 records about 120 minutes at SP. A T-60 records about 60. A T-160 records about 160. Many tapes carried dual labels such as T60/E90, so one cassette could be sold in both places.
Why T-120 and E-180 are almost the same tape
Here's the part that trips people up. NTSC tape runs past the heads at 3.335 cm per second. PAL runs slower, at 2.339 cm per second. Slower means the same physical tape lasts longer. So a T-120 played in PAL runs about 176 minutes, according to Wikipedia, and the "180" on an E-180 is a rounded label for roughly the same amount of tape.
Don't do the math expecting exactly 180. Think of them as the same tape with a different clock.
SP, LP and EP: three ways to stretch a tape
SP is full speed and the best picture. LP runs at half speed for double the time. EP, sometimes called SLP, runs at one third speed for triple the time. So an NTSC T-120 gives you:
120 minutes at SP, enough for one movie.
240 minutes at LP, two movies.
360 minutes at EP, a whole afternoon.
The T-160 stretches the same way: 160, 320 and 480 minutes. The catch is picture quality. LP drops horizontal resolution from about 250 lines to about 230, and EP gets noisier and can play badly on a different VCR than the one that recorded it.
The tab that stopped you taping over
Look at the edge of a cassette and you'll find a small plastic tab. A switch inside the VCR senses it. With the tab in place, the VCR will record. Snap it off and the VCR refuses.
If you changed your mind, covering the hole with a bit of tape brought recording back. Pre-recorded tapes are often said to have had the tab removed so a rental couldn't be taped over by accident.
The rewind sticker
"Be Kind Rewind" was commonly displayed on rental cassettes in America. VHS had to be rewound by hand, so a tape returned unrewound cost the next customer, or the clerk, time. One hobbyist history says some stores backed the sticker with fines. Nobody has pinned down which chain started it.
The sticker has outlived the stores. It's the name of our Be Kind Rewind Shirt ($60), and our VHS T-120 T-Shirt 1983 ($44.99) is named after the same label.
For the full story on how the rental store era ended, read The Fall of 80s Video Rental Culture.
A quick size guide
The standard cassette is 187 by 103 by 25 millimeters. A T-120 holds about 812 feet of tape, according to one trivia source, so treat that number as approximate. For the cassette look on something you carry, there's our T-120 VHS Phone Case ($24.99).
The shoes that use the labels
We named a few sneakers after the cassette codes, because they look right on a shoe. The T-120 Black Sneakers 1988 ($119.99), the E-180 VHS Sneakers ($119.99) and the T-60 VHS Sneakers 1981 ($119.99) all carry the code.
If you like the cassette covers themselves, 80s Retro VHS Cassette Cover Designs and Types covers the artwork side.
Questions we get
What does T-120 mean on a VHS tape? About 120 minutes at SP speed in NTSC regions. The same tape gives 240 minutes at LP and 360 at EP.
What is the difference between T-120 and E-180? Mostly the TV system. E-180 is the PAL label, and PAL's slower tape speed means the physical tape is about the same as a T-120.
How long does a T-160 tape record? 160 minutes at SP, 320 at LP and 480 at EP.
How do you stop a VHS tape from being recorded over? Break off the plastic tab on the cassette's edge. Cover the hole with tape if you want to record again.
Why did video stores say "Be Kind, Rewind"? VHS tapes were rewound by hand, and an unrewound tape wasted the next renter's time. Some stores fined for it.
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Wear the label
VHS T-120 Black Sneakers 1988
E-180 VHS Sneakers
Be Kind Rewind Raglan T-Shirt
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