<P> The palace measures 108 metres ( 354 ft ) by 120 metres ( 390 ft ) , is 24 metres ( 79 ft ) high and contains over 77,000 m ( 830,000 sq ft ) of floorspace . The floor area is smaller than the Royal Palace of Madrid , the Papal Palace and Quirinal Palace in Rome , the Louvre in Paris , the Hofburg Palace in Vienna , and the Forbidden City . There are 775 rooms , including 19 state rooms , 52 principal bedrooms , 188 staff bedrooms , 92 offices , and 78 bathrooms . The palace also has its own post office , cinema , swimming pool , doctor 's surgery , and jeweller 's workshop . </P>
how many rooms is there in buckingham palace
775 rooms