[header] How to install a toilet [title] Measure the distance from the wall to the floor bolts before removing. [step] Standard toilets have a measurement of 12 " from the wall to the floor bolts. If your toilet measures 12 ", you can expect to buy any standard toilet and install it comfortably in the existing location without much hassle. 
[title] Turn off the water off at the supply valve. [step] This is so that no new water rushes into the toilet basin while you're busy trying to remove it.