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They are different ways of expressing the same thing. A bullet that is 7.65mm is just that- 7.65 millimeters in diameter. Is the US, we frequently use caliber rather than millimeters- that same bullet was be a .32 caliber- or 32/100ths of an inch in diameter.

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Q: What is the difference between a mm and caliber bullet measurement?
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Related questions

What is the difference between a mm and a caliber bullet?

metric vs inch measurement


What is difference between a 223 caliber bullet and a 224 caliber bullet?

.001 inches. Makes a difference depending on what you are shooting, how old the barrel is, etc..


What is the difference between a .22 caliber bullet and a .32 caliber bullet?

The .22 caliber bullet is ABOUT .22 inches wide. A .32 bullet is about .32 inches wide. The bullet will also be heavier due to size.


What caliber is a 38?

caliber 38 is a caliber 38. bullet dia. is .357 caliber deals with the dia. or measurement around the bullet head, not the bullet case.


What is the difference between caliber and millimeter in ammunition?

They're both measurements of the diameter of the round (or the barrel). Caliber is a measurement in inches, and millimeters are millimeters. For instance, a .30 caliber bullet is 30 hundredths of an inch, or 7.62 millimeters in diameter.


What is the difference between a 22 caliber and 9mm caliber bullet?

The .22 bullet is smaller than the 9mm in size, (about 6mm) and is lighter in weight.


What is the difference between a 9mm bullet and a 45 cal bullet?

Generally speaking, the .45 caliber bullet is larger in diameter and heavier than a 9mm bullet.


What is the difference between a 50 caliber and a 375 ultra mag bullet?

Size and amount of propellant


What is difference in size between a 357 caliber bullet and a 9 mm bullet?

As far as diameter, there is very little difference. A .357 is .358 in diameter and a 9mm is .356 in diameter.


What is difference between a 223 caliber bullet and a 45 bullet?

Caliber refers to the diameter of a bullet (bullet is the part of a cartridge that is fired out of the gun). A .223 caliber bullet is .223 inches across. It is normally used as a rifle cartridge. a .45 caliber bullet is more than twice as wide as a .223, and is usually used in pistols. The .223 is lighter- it weighs about 1/4 of a .45 bullet, and they are different shapes- .223 is usually pointed, the .45 is rounded.


What is the difference between a 40 caliber and 50 caliber bullet?

Size and relative power. A .40 caliber bullet is .40 of an inch and the entire cartridge is 28.8 millimeters long. A .50 caliber (handgun) bullet is .50 of an inch and the entire cartridge is 40.99 millimeters long. The .50 caliber has more powder, more velocity, and more muzzle energy.


What measurement is caliber measured?

Caliber is the size across the pin of a bullet in inches. So a .50 caliber is five tenths of an inch. From future automotive engineer A. Mike