Convert Tsubo to Square Feet

Convert Tsubo (坪) to Square Feet (ft²) instantly and accurately.

Tsubo (坪)
Square Feet (ft²)

Conversion Formula

ft² = 坪 × 35.58317493

About Tsubo

A tsubo (坪) is the traditional Japanese unit of floor area, equal to 400/121 m² (approximately 3.306 m²) - defined as the footprint of two tatami mats placed side by side. It has been the standard for measuring rooms and apartments in Japan for centuries and remains widely used in real estate and architecture today. Apartment sizes in Japan are routinely quoted in tsubo alongside square meters. One tsubo equals approximately 35.58 square feet or 3.95 square yards.

About Square Feet

A square foot (ft²) is an imperial unit of area equal to a square with sides of one foot (12 in × 12 in or 144 in²). It is the standard for measuring floor space in the United States and some other countries. A typical bedroom is 100-150 ft², and the average American house is roughly 2,000-2,500 ft². This unit dominates real estate listings, flooring sales, and construction in countries using imperial measurements.

Quick Reference Table

Tsubo (坪)Square Feet (ft²)
1 坪35.5832 ft²
2 坪71.1663 ft²
5 坪177.916 ft²
10 坪355.832 ft²
25 坪889.579 ft²
50 坪1779.16 ft²
100 坪3558.32 ft²

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