Yes your total aeronautical experience counts towards the 1500 hours, however you must meet the individual requirements for the aeroplane category
1500, 1250, 1000, or 750 hours of total flight time
You can get up to 100 hours in an airplane full flight simulator or flight training device, if it was flown during an approved training course at a part 121, 135, 141, or 142 school
200 hours of cross-country flight time
100 hours of night flight time
If you've performed more than 20 night takeoffs and landings to a full stop, you can count each additional takeoff/landing pair as one hour of night flight time - up to 25 hours of total night credit
50 hours of multi-engine flight time, but you can get 25 hours in a full flight simulator if done in an approved training program
75 hours of instrument flight time (actual or simulated)
You can count up to 25 hours in a flight simulator or a flight training device while training with an instructor
250 hours of pilot in command (PIC) time, including
At least 100 hours of cross-country time
At least 25 hours of night flight time