SearchAsk us anythingarrow rightWill any tank fit any toilet?You may have to cut the supply line to the toilet bowl if you want the tank to fit your bowl.Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSAre all toilet flappers the same size?Toilets and their flush valve systems can vary in size and shape. There are two sizes of flaps, two inch and three inch. Older toilets can be found with three inch flappers, which have become popular in recent years and can be found in newer toilets.Are toilets standard size?Standard toilets can be as tall as 17 inches, while chair style toilets can be as tall as 17 inches. Round toilets take up less room than longer toilets, which are usually up to three inches longer.Do all toilet seats fit any toilet?All toilets have seat post holes on 5 1/2 centers, and all round bowls are 16 1/2 inches from seat posts to front of rim. If the toilet bowls are standard round or standard elongated, the seats will fit them.Do toilet seats fit any toilet?Do the toilet seats fit the same? Not all toilet seats fit the same because toilets come in a variety of different shapes, so you'll need to check your seat before buying.Can you put a bigger toilet seat on a small toilet?The aesthetic and comfort of the seat will be greatly diminished, even though it will still mount on a round toilet.What is the standard size of a toilet tank?Large toilet tanks measure from 16 to 18 inches wide and range in size.