9 Things that are 15 inches long

9 Things that are 15 inches long

15 inches is the equivalent of 1-1/4 feet, which also equals 0.381 meters long.

While estimating the three inches off of one foot can help you achieve 15 inches, what if you don’t have a ruler on hand? Well, that’s why you should get a sense of how long 15 inches actually is, especially when doing yard work or undergoing minor renovation projects at home.

Today, I’m going to show you 9 things that are 15 inches long to help you visualize this useful measurement.

1 Bowling Pin

1 Bowling Pin

Anyone who has been around a bowling pin may have a good idea of exactly how long 15 inches is.

A bowling pin, according to the specifications set by the United States Bowling Congress, must measure exactly 15 inches in height.

If you’ve never bowled a day in your life, try asking your local bowling alley nicely for a free pin, though it may be warped in shape due to wear and tear.

3 Soda Cans

3 Soda Cans

If you’re doing gardening work under the blazing hot sun, you might have at least one can of soda on hand to quench your third.

For those that do, you’re in luck—a standard 12-ounce soda can measures 4.83 inches in height. So, to get the full 15 inches, all you need to do is lay out the soda can on its side and mark the length of about three cans.

This figure will only give you about 14.5 inches, so you’ll have to guesstimate the remaining half an inch.

13 Bottle Caps

13 Bottle Caps

If you prefer drinking soda out of a plastic bottle, make sure you don’t toss the bottle cap out just yet.

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The diameter of a standard two-liter soda bottle cap is 29.6 mm long, which is just a sliver of one inch (1.165).

Using math, you can measure roughly 15 inches by using a bottle cap and measuring its diameter 13 times. The final measurement will be 15.145 inches.

2 Bricks

2 Bricks

The American Society for Testing Materials has designed that a standard red brick much measure 8 × 3-5/8 × 2-1/4 inches, give or a take a few mils.

Measuring 15 inches using bricks is pretty straightforward. Simply lay two bricks together side by side, and their longest sides together should equal 16 inches.

To subtract the extra inch, you can use the width of your index finger, which is just shy of an inch thick.

Alternatively, if you want to lay bricks side by side, it’ll take four bricks, plus about half the width of your index finger to get close to 15 inches.

A Baseball Bat

A Baseball Bat

In the 2018 version of the official baseball rules, according to the MLB, a standard-issued baseball bat must be limited to 42 inches long. However, you might find baseball bats of at least 32 inches at your local sporting goods store.

If you do have a 32-inch bat in your possession, just guesstimate half of the bat’s length to get close to 15 inches. Again, the width of your index finger can be used to subtract the extra inch.

1 Large Pizza at Pizza Hut, Papa John’s, or Domino’s

1 Large Pizza

Pizza chains may follow a different set of measurements to determine what is a small, medium, or large pizza. However, if you’ve ordered and measured the pizzas from popular chains like Pizza Hut, Papa John’s, and Domino’s, you may have found that their sizes are nearly identical.

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A large pizza at any of these chains measures 14 inches wide, which is enough to feed between four and six hungry workers. To make up for the lost inch, again, we ask you to use the width of your index finger.

Alternatively, you can guess the final inch by looking adding the thickness of the crust (the bready portion between the cheese and outer edge).

7 Pool Balls

7 Pool Balls

The World Pool-Billiard Association, the governing body for international billiards and pool competitions, states that a standard pool ball must measure 2.25 inches in diameter.

Anyone who is a fan of pool or has a pool ball in their hobby room should have a rough idea of how wide the ball is. So, to measure 15 inches using a pool ball as your reference, try envisioning seven pool balls lying side by side and making contact.

1.5 Size-8.5 Shoes
1.5 Size-8.5 Shoes

If you live in the US, you can get a rough idea of how long 15 inches is by using your shoe size. In the US, shoe sizes between 8.5 and 9.5 measure ten to up to 10.5 inches from heel to toe. Just take 1.5 of the shoe’s footsteps, and you should reach 15 inches in length.

But if you have a pair of Shaquille O’Neal’s shoes in your closet, just one of his shoes will get you one inch past the 15-inch mark!

Please note that the actual length of a shoe based on shoe size may vary from brand to brand.

About 3 iPhone 12 Mini

About 3 iPhone 12 Mini

Some of you are probably reading this on your iPhone or have an iPhone on your desk right now. If that’s the case, and if you don’t mind using it as a measuring tool, you can use it to measure 15 inches without much trouble.

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From the smallest iPhone (12 Mini at 5.4 inches) to the largest (13 Pro Max at 6.7 inches), it’ll take you between two and three iPhones to get close to 15 inches. Three iPhone 12 Minis will get you slightly over at 16.2 inches, while two 13 Pro Maxes will get you close at 13.4 inches.

But if you have an iPhone in your pocket, you might as well use the Measure app to measure 15 inches and beyond.


The everyday items listed above can give you a rough idea of how long 15 inches is in length and height. Having this information readily available can help you undergo various home renovation, gardening, or arts and crafts projects.

If you think this information will come in handy, make sure you share it with your friends. And please feel free to drop a comment down below if you think there’s any other common 15-inch-long object worth knowing!



Baron Cooke has been writing and editing for 7 years. He grew up with an aptitude for geometry, statistics, and dimensions. He has a BA in construction management and also has studied civil infrastructure, engineering, and measurements. He is the head writer of measuringknowhow.com

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