| 1 tatami | = 4464.0089280179 sq digit |
| 2 tatami | = 8928.0178560357 sq digit |
| 3 tatami | = 13392.026784054 sq digit |
| 4 tatami | = 17856.035712071 sq digit |
| 5 tatami | = 22320.044640089 sq digit |
| 6 tatami | = 26784.053568107 sq digit |
| 7 tatami | = 31248.062496125 sq digit |
| 8 tatami | = 35712.071424143 sq digit |
| 9 tatami | = 40176.080352161 sq digit |
| 10 tatami | = 44640.089280179 sq digit |
| 20 tatami | = 89280.178560357 sq digit |
| 30 tatami | = 133920.26784054 sq digit |
| 40 tatami | = 178560.35712071 sq digit |
| 50 tatami | = 223200.44640089 sq digit |
| 60 tatami | = 267840.53568107 sq digit |
| 70 tatami | = 312480.62496125 sq digit |
| 80 tatami | = 357120.71424143 sq digit |
| 90 tatami | = 401760.80352161 sq digit |
| 100 tatami | = 446400.89280179 sq digit |
| 200 tatami | = 892801.78560357 sq digit |
| 300 tatami | = 1339202.6784054 sq digit |
| 400 tatami | = 1785603.5712071 sq digit |
| 500 tatami | = 2232004.4640089 sq digit |
| 600 tatami | = 2678405.3568107 sq digit |
| 700 tatami | = 3124806.2496125 sq digit |
| 800 tatami | = 3571207.1424143 sq digit |
| 900 tatami | = 4017608.0352161 sq digit |
| 1000 tatami | = 4464008.9280179 sq digit |
| 2000 tatami | = 8928017.8560357 sq digit |
| 4000 tatami | = 17856035.712071 sq digit |
| 5000 tatami | = 22320044.640089 sq digit |
| 7500 tatami | = 33480066.960134 sq digit |
| 10000 tatami | = 44640089.280179 sq digit |
| 25000 tatami | = 111600223.20045 sq digit |
| 50000 tatami | = 223200446.40089 sq digit |
| 100000 tatami | = 446400892.80179 sq digit |
| 1000000 tatami | = 4464008928.0179 sq digit |
| 1000000000 tatami | = 4464008928017.9 sq digit |