Utility Tools

Tsubo to Square Meters — Free Area Calculator

Convert Japanese tsubo to square meters or reverse the units. No registration; calculations stay in your browser.

Result
3.30578512397
Square meter (m²)
Formula: 1 Tsubo = 3.30578512397 Square meter

Conversion formula

1 tsubo = 400/121 m² ≈ 3.305785 m²

Multiply tsubo by 400/121 to get square meters. Multiply square meters by 121/400 to get tsubo. Tatami mat sizes use different regional conventions and are not the same as tsubo.

Worked example

A 30-tsubo plot is approximately 99.173554 m². A 100 m² area is 30.25 tsubo. This tool converts area, not floor plans or usable living space.

Conversion table

Conversion table
tsubom²
13.305785
516.528926
1033.057851
2066.115702
3099.173554
40132.231405
50165.289256
100330.578512

Values are rounded to six decimal places. The calculator keeps more precision.