tatami mat

One tatami mat. Edo-period (江戸間) standard 1.6562 m², used here.

Note: Tatami size varies by region: 江戸間 1.6562 m², 中京間 1.7412 m², 京間 1.8181 m². This site converts using the 江戸間 standard.

Quick convert — tatami mat to popular units

Live converter, three directions. Type any value to update all three.

tatami mat
square metre
1 畳 = 1.6562m²
tatami mat
square kilometre
1 畳 = 1.66e-6km²
tatami mat
square centimetre
1 畳 = 16,562cm²

Conversion table — tatami mat to every Area unit

All values for 1 畳 (forward) and 1 reverse unit → 畳.

To / From 1 畳 = 1 to-unit =
square metre (m²) 1.6562 0.60379181
square kilometre (km²) 1.656200e-6 km² 603,791.81258302
square centimetre (cm²) 16,562 cm² 6.037918e-5
hectare (ha) 0.00016562 ha 6,037.91812583
square foot (ft²) 17.82718843 ft² 0.05609409
square inch (in²) 2,567.11513423 in² 0.00038954
square mile (mi²) 6.394624e-7 mi² 1,563,813.61570825
acre (ac) 0.00040926 ac 2,443.45877454
square yard (yd²) 1.98079871 yd² 0.50484685
tsubo (坪) 0.5010005 1.99600599

Frequently Asked Questions

What does 畳 stand for?

tatami mat (畳) is a unit of Area.

How many 畳 are in 1 m²?

1 m² = 1.6562 畳, so 1 畳 = 0.603792 m².

Is this the SI base unit?

No. tatami mat is one of several units in the Area category. The SI base is m².

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