How many tatami mats?
Enter any area to see how many tatami mats it equals. One tatami mat is about 1.55 m² (16.7 sq ft). A parking space is about 8.07 tatami mats.
Convert the other way
Area of a tatami mat
Tatami mat: about 1.55 m² (16.7 sq ft) (Edoma size). One Edoma-size tatami mat (176 cm × 88 cm). Sizes vary by region. approx.
How many tatami mats?
| Name | Area | In tatami mats |
|---|---|---|
| Japan | 377,980 km² (93.4 million acres) | ≈ 244 billion |
| Lake Biwa approx. | 669 km² (165,314 acres) | ≈ 432 million |
| Tokyo's 23 wards approx. | 628 km² (155,059 acres) | ≈ 405 million |
| Inside the Yamanote Line approx. | 63 km² (15,568 acres) | ≈ 40.7 million |
| Imperial Palace (Tokyo) | 1.15 km² (284 acres) | ≈ 742,792 |
| Universal Studios Japan approx. | 540,000 m² (133 acres) | ≈ 348,657 |
| Tokyo Disneyland approx. | 510,000 m² (126 acres) | ≈ 329,287 |
| Tokyo DisneySea approx. | 490,000 m² (121 acres) | ≈ 316,374 |
| Tokyo Dome | 46,755 m² (11.6 acres) | ≈ 30,188 |
| Koshien Stadium | 38,500 m² (9.51 acres) | ≈ 24,858 |
| Soccer field approx. | 7,140 m² (1.76 acres) | ≈ 4,610 |
| Basketball court | 420 m² (4,521 sq ft) | ≈ 271 |
| 25 m pool (6 lanes) approx. | 325 m² (3,498 sq ft) | ≈ 210 |
| Tennis court | 261 m² (2,807 sq ft) | ≈ 168 |
| Parking space approx. | 12.5 m² (135 sq ft) | ≈ 8.07 |
| 6-mat room approx. | 9.29 m² (100 sq ft) | 6 |
| A4 paper | 624 cm² (0.67 sq ft) | ≈ 0.04 |
| 10,000-yen bill | 122 cm² (0.13 sq ft) | ≈ 1/127 |
Common areas in tatami mats
| Area | In tatami mats |
|---|---|
| 1 sq ft | ≈ 0.06 |
| 1,000 sq ft | ≈ 60 |
| 1 acres | ≈ 2,613 |
| 100 acres | ≈ 261,290 |
| 1 sq mi | ≈ 1.67 million |
| 1 ha | ≈ 6,457 |
| 1 km² | ≈ 645,661 |
One tatami mat in other units
| Unit | Area |
|---|---|
| sq ft | 16.7 sq ft |
| acres | 0.00038 acres |
| sq mi | 0.0000006 sq mi |
| m² | 1.55 m² |
| km² | 0.0000015 km² |
| ha | 0.00015 ha |
| cm² | 15,488 cm² |
Values marked "approx." are typical averages or estimates because no official figure was available.