How Long Is a Guitar? 40 Inches Explained With Real Comparisons

How long is a guitar? A standard acoustic guitar is about 40 inches long — that is 3.33 feet, or 102 centimetres.

A guitar is a length you have held in your hands without really thinking about it: it is a little longer than a banjo, close to the length of a yardstick, and about twice as long as a large pizza box is wide. Classical guitars run a touch shorter, at about 39 inches, while electric guitars are about 38–40 inches long, and a ukulele is much smaller at about 26 inches.

This guide compares a guitar with 12 everyday things — other instruments, sports gear and things around the home you can picture — so you can feel 40 inches at a glance, with pictures for every comparison.

Reference Guide 40 Inches Conversion Chart
Unit	Equivalent to 40 inches
Inches	40 in
Feet	3.33 ft
Centimeters	102 cm
Meters	1.02 m
Yards	1.11 yd

Quick tip: Multiply inches by 2.54 to get centimeters — 40 inches is about 102 centimeters.

Reference Guide 12 Things About as Long as a Guitar
Category	Common Objects
Other Instruments	A Violin A Ukulele A Cello A Banjo
Sports and Outdoors	A Baseball Bat A Skateboard A Tennis Racket An Umbrella
Around the Home	A Yardstick A Backpack A Standard Pillow A Large Pizza Box

Here is the full list of guitar comparisons covered in this guide, organized by category.

How Long Is a Guitar — Other Instruments

Other instruments give some of the most natural guitar references, because a violin’s length or a cello’s height is something you can picture standing next to.

1. A Violin

A violin, about 23 inches long, shorter than a guitar

A violin is about 23 inches long. That is shorter than a guitar at 40 inches — the violin is about 17 inches shorter than the guitar.

This violin-length guitar comparison is a music-room reference: hold a violin under your chin and it reaches only a little past halfway down a guitar. It is a good way to feel 40 inches — a guitar is a much bigger instrument than the violin you see in an orchestra.

2. A Ukulele

A ukulele, about 26 inches long, shorter than a guitar

A ukulele is about 26 inches long. That is shorter than a guitar at 40 inches — the ukulele is about 14 inches shorter than the guitar.

This ukulele-length guitar comparison is a beach-music reference: a ukulele looks like a guitar that shrank in the wash, and it is close to two-thirds the length of a full guitar. Picture a ukulele in your hands and add another 14 inches to reach a guitar.

3. A Cello

A cello, about 48 inches long, longer than a guitar

A cello is about 48 inches long. That is longer than a guitar at 40 inches — the cello is about 8 inches longer than the guitar.

This cello-length guitar comparison is a concert-hall reference: stand a cello on its endpin beside a guitar and the cello rises a hand’s width above it. It is a handy way to picture 40 inches — a guitar is long, but the cello you play sitting down is longer still.

4. A Banjo

A banjo, about 38 inches long, close to a guitar

A banjo is about 38 inches long. That is close to a guitar at 40 inches — the banjo is only about 2 inches shorter than the guitar.

This banjo-length guitar comparison is almost a perfect match: lay a banjo next to a guitar and the two ends nearly line up. It is one of the closest instrument matches for 40 inches, and a handy one for picturing a guitar’s full length.

How Long Is a Guitar — Sports and Outdoors

Sports and outdoor gear give practical guitar references, because bats, boards and rackets are sized in inches every day.

5. A Baseball Bat

A baseball bat, about 34 inches long, shorter than a guitar

A baseball bat is about 34 inches long. That is shorter than a guitar at 40 inches — the bat is about 6 inches shorter than the guitar.

This baseball-bat-length guitar comparison is a ballpark reference: hold a baseball bat upright and a guitar would stand about a hand’s width taller. Picture a bat in the batter’s box and you have pictured most of a guitar’s length.

6. A Skateboard

A skateboard, about 32 inches long, shorter than a guitar

A skateboard is about 32 inches long. That is shorter than a guitar at 40 inches — the skateboard is about 8 inches shorter than the guitar.

This skateboard-length guitar comparison is a street reference: lay a skateboard on the ground next to a guitar and the guitar sticks out past the board by about the length of your hand. It is an easy way to feel 40 inches if you have ever stepped on a board.

7. A Tennis Racket

A tennis racket, about 27 inches long, shorter than a guitar

A tennis racket is about 27 inches long. That is shorter than a guitar at 40 inches — the racket is about 13 inches shorter than the guitar.

This tennis-racket-length guitar comparison is a court reference: a tennis racket reaches about two-thirds of the way along a guitar. Picture a racket in your hand and add a little more than a foot to reach the length of a guitar.

8. An Umbrella

An umbrella, about 36 inches long, close to a guitar

An umbrella is about 36 inches long. That is close to a guitar at 40 inches — the umbrella is only about 4 inches shorter than the guitar.

This umbrella-length guitar comparison is a rainy-day reference: stand a long umbrella upright and a guitar would be only a few inches taller. Next time you grab an umbrella by the door, that length is close to a guitar.

How Long Is a Guitar — Around the Home

Things around the home give the handiest guitar references, because a yardstick, a pillow and a pizza box are things you can measure in your own living room.

9. A Yardstick

A yardstick, about 36 inches long, close to a guitar

A yardstick is about 36 inches long. That is close to a guitar at 40 inches — the yardstick is only about 4 inches shorter than the guitar.

This yardstick-length guitar comparison is a workshop reference: a yardstick is three feet long, and a guitar runs just four inches past it. If you have a yardstick in a drawer, hold it up and add a few inches — that is a guitar.

10. A Backpack

A backpack, about 20 inches tall, half as tall as a guitar is long

A backpack is about 20 inches tall. That is half as tall as a guitar at 40 inches — the backpack is about 20 inches shorter than the guitar is long.

This backpack-height guitar comparison is a school-day reference: stack two backpacks end to end and they would run about the full length of a guitar. Picture the bag you carry every day, double it, and you have pictured 40 inches.

11. A Standard Pillow

A standard pillow, about 26 inches long, shorter than a guitar

A standard pillow is about 26 inches long. That is shorter than a guitar at 40 inches — the pillow is about 14 inches shorter than the guitar.

This pillow-length guitar comparison is a bedroom reference: lay a standard pillow on the bed and a guitar would stretch well past it, by more than a foot. Picture the pillow you sleep on and add half a pillow more to reach a guitar.

12. A Large Pizza Box

A large pizza box, about 20 inches wide, half as wide as a guitar is long

A large pizza box is about 20 inches wide. That is half as wide as a guitar at 40 inches — the pizza box is about 20 inches narrower than the guitar is long.

This pizza-box-width guitar comparison is a Friday-night reference: set two large pizza boxes side by side and they would span about the length of a guitar. Next time a pizza arrives, that box is half a guitar wide.

FAQ Section

How long is a guitar?

A standard acoustic guitar is about 40 inches long. That is 3.33 feet, or 102 centimetres.

How long is a guitar in feet and meters?

A standard acoustic guitar is about 3.33 feet long, which is about 1.02 metres. In yards, that is about 1.11 yards.

How long is an electric guitar?

An electric guitar is about 38–40 inches long, so it is about the same length as a standard acoustic guitar at about 40 inches.

How long is a classical guitar?

A classical guitar is about 39 inches long, so it is a touch shorter than a standard acoustic guitar at about 40 inches.

How can I picture 40 inches?

Picture a banjo at about 38 inches long, a yardstick at about 36 inches long, or an umbrella at about 36 inches long — all close to a guitar, or 40 inches.

Conclusion

So, how long is a guitar? In this guitar guide, the answer is 40 inches — 3.33 feet, which is 102 centimetres, 1.02 metres and about 1.11 yards. That is about the length of a banjo, a little longer than a yardstick, and about twice the width of a large pizza box. From a violin to a skateboard, these 12 everyday comparisons make 40 inches easy to picture. Next time you pick up a guitar, remember it runs about 40 inches from the top of the headstock to the bottom of the body — and now you know which ones.