The number of grooves joining successive bands on a record shall not be less than 16 per inch.
Width of a vinyl record.
A better way to group these discs and tell them apart is the speed in revolutions per minute or rpm at which they spin while playing on a turntable.
For singles covers of 7 inches are common because of the format s smaller size.
Records come in three standard sizes.
To compete with the lp boxed albums of 45s were issued along with ep extended play 45s which squeezed two or even three selections onto each side.
The size of a vinyl record determines how much music can be recorded on the record.
The most common sizes are seven 10 and 12 inches in diameter but size isn t the only way to identify what kind of vinyl record you have.
The size of disc varied over time with 10 inches eventually becoming a popular size.
Records in the 78 rpm format were usually sold with 10 inch covers but are uncommon today.
Inventing the 33 yet few used it by the time 78 became standard new methods of audio recording had emerged.
Vinyl record album covers are usually 12 inches by 12 inches for lp albums.
At a certain point records can become cramped with grooves and have to expand in size to accommodate the extra music play while maintaining the quality of the audio.
Vinyl record sizes differ based on how much music is stored on the surface of the disk.
7 inch 10 inch and 12 inch.