no
they are about the same size both run through .68 barrel or closer
Caliber, which is in inches in diameter. For instance paintballs are .685 caliber: .685 inches in diameter, from one end, through the middle, to the other. Paintballs vary in size by +/- .020 or so.
The number of paintballs in a pound can vary depending on the brand and size of the paintballs. On average, there are about 70-100 paintballs in a pound. It is recommended to check with the specific brand or manufacturer for accurate information.
It depends on the quality and size of your paintballs.
All paintballs can go bad, however no paintballs are allowed to have red, pink or black fill.
Any paintballs sold in a store are approved for safety. Though this doesnt mean they are all the same quality. The Monster Ball series is banned from most fields due to their low quality.
They do not, mainly because of the tolerances for paintballs themselves (it will burst when exposed to exploding gunpowder) and the size of them (the average size of paintballs are in the .68 caliber area), unless if you're talking about Simunition (in which this type of projectile is restricted to the members of the armed forces and law enforcement officers).
You can buy airsoft paintballs, but they're the size of a small pellet and I've had a hard time finding them. Technically no. There are NO paintballs that work in an airsoft gun. The answer above was partially correct though. They make marker bbs that are basically bbs but they have paint on them.
All you have to do is wash it.
It depends on what type of marker it is, and what size of the paint you are using. Note: these numbers are average for 68-caliber paintballs (the most widely used size of paintballs). Your actual number can be higher if you use a smaller size of paintball (e.g. 50-caliber paintballs) If it's a hopper-fed, it could be somewhere from 100 to 200 on the average. If it's fed by a tube or some form of limited-paint format (like a paintball "magazine"), it could go from 10 to 20 paintballs or so.
standard .68 caliber.