How long is 16 inches?

Sixteen inches equals 40.64 centimeters.

16 inch at actual size

0 16
16 inches
Calibrated Actual Size · 96 PPI · Calibrate screen

Accurate after calibration. Approximate before calibration.

Conversions

16 inches
40.64 cm
406.4 mm
1.333 ft

How long is 16 inches compared to an object?

1

Standard 16-Inch Wall Stud Spacing

About 16 inches

US wall studs sit 16 inches on centre, and joists and noggins are spaced the same way. That 16-inch rhythm is the origin of the phrase "sixteen on centre".

2

16-Inch MacBook Pro Display

About 16 inches

A 16-inch MacBook Pro screen measures 16 inches corner to corner. The 16-inch size is the largest laptop display Apple has shipped.

3

16-Inch Extra-Large Pizza

About 16 inches

A 16-inch pizza is the largest size most national chains sell, and it cuts into eight thicker slices than a 12-inch.

4

Standard 16-Inch Throw Pillow

About 16 inches

A 16-inch pillow is on the small side of standard, where most decorative pillows run 18 to 22 inches.

5

16-Inch Wire Coat Hanger

About 16 inches

A 16-inch wire hanger is a slim standard width. It suits thin garments and shirts but will not hold the shoulders of a heavy coat.

6

16-Inch Crash Cymbal

About 16 inches

A 16-inch crash cymbal is a common drum kit size, sitting between 14-inch and 18-inch. Larger cymbals wash out sooner at high volume.

7

16-Inch Chainsaw Guide Bar

About 16 inches

A 16-inch guide bar is the standard size for an electric chainsaw, adequate for small trees and limbs. Bars are measured from the nose to the first drive link, and the bar is the part that wears fastest.

8

Standard 16-Inch Viola

About 16 inches

A full-size viola is 15 inches, not 16. A 16-inch body belongs to a larger instrument sized for a cellist's reach, and is uncommon outside conservatories.

9

16-Inch Softball

About 16 inches

An official softball is 12 inches in circumference, not 16. A 16-inch softball is a smaller practice ball, and the 16-inch measurement is a common error in this measurement.

10

16-Inch AR-15 Rifle Barrel

About 16 inches

A 16-inch barrel is a common AR-15 configuration, balancing velocity with a length that stays manageable on a carbine. The full 20-inch rifle barrel is longer.

Frequently asked questions about 16 inches

Is 16 inches the size of A3 paper?

Just inside it: A3's long edge is 16.54 inches. A3 carries twice the area of A4 and is the sheet architects and designers reach for.

How wide is a 16-inch laptop?

"16-inch" is the screen diagonal; the body is typically 14 to 14.5 inches wide — the same diagonal-versus-width gap every laptop measurement creates.

How many centimeters is 16 inches?

40.64 centimeters.

What common things are 16 inches?

A large pizza is 16 inches across at many chains — one of the few foods sold by exact inch — and 16-inch wheels are the standard on many kids' bikes.

Page last updated 2026-10-02

Chetan Kumar, creator of How Long Is an Inch?

Hi, I'm Chetan Kumar — an SEO specialist from India, and I own and maintain this site. I built it after ordering a 7-inch burrito and realising I had no idea how long 7 inches actually was. Everything runs in your browser — no app, no install, no sign-up — and every measurement method is documented. Spotted a mistake? Email me and I'll fix it. More: About | How We Measure | Email | GitHub

Last updated: November 2026