How many basketball courts?

Enter any area to see how many basketball courts it equals. One basketball court is 420 m² (4,521 sq ft). A soccer field is 17 basketball courts.

Convert the other way

Basketball court: 420 m² (4,521 sq ft). Official size: 28 m × 15 m.

Name	Area	In basketball courts
Japan	377,980 km² (93.4 million acres)	≈ 900 million
Lake Biwa approx.	669 km² (165,314 acres)	≈ 1.59 million
Tokyo's 23 wards approx.	628 km² (155,059 acres)	≈ 1.49 million
Inside the Yamanote Line approx.	63 km² (15,568 acres)	150,000
Imperial Palace (Tokyo)	1.15 km² (284 acres)	≈ 2,739
Universal Studios Japan approx.	540,000 m² (133 acres)	≈ 1,286
Tokyo Disneyland approx.	510,000 m² (126 acres)	≈ 1,214
Tokyo DisneySea approx.	490,000 m² (121 acres)	≈ 1,167
Tokyo Dome	46,755 m² (11.6 acres)	≈ 111
Koshien Stadium	38,500 m² (9.51 acres)	≈ 91.7
Soccer field approx.	7,140 m² (1.76 acres)	17
25 m pool (6 lanes) approx.	325 m² (3,498 sq ft)	≈ 0.77
Tennis court	261 m² (2,807 sq ft)	≈ 0.62
Parking space approx.	12.5 m² (135 sq ft)	≈ 0.03
6-mat room approx.	9.29 m² (100 sq ft)	≈ 0.022
Tatami mat approx.	1.55 m² (16.7 sq ft)	≈ 1/271
A4 paper	624 cm² (0.67 sq ft)	≈ 1/6,734
10,000-yen bill	122 cm² (0.13 sq ft)	≈ 1/34,539

Values marked "approx." are typical averages or estimates because no official figure was available.