Keisan Tools
Back to English Top

Tsubo ↔ Square Meter Converter (Japanese Floor Area)

Convert between 坪 (tsubo) and square meters — the standard Japanese real-estate floor-area unit. 1 tsubo ≈ 3.3058 m².

2026 tax-year compliantSwitch to Japanese version

Tsubo ↔ Square Meter Converter (Japanese Floor Area)

Convert between 坪 (tsubo) and square meters — the standard Japanese real-estate floor-area unit. 1 tsubo ≈ 3.3058 m².

  1. 1. Enterfill in details
  2. 2. Calculateclick the button
  3. 3. Resultshown instantly

Key Points

  • 1 tsubo = 3.3058 m² (≈ 2 tatami)
  • Standard unit on Japanese real-estate listings
  • Bidirectional conversion (tsubo ↔ m²)

FAQ

What is a 坪 (tsubo)?

1 tsubo = 6 尺 × 6 尺 ≈ 3.3058 m², roughly the area of 2 tatami mats. It is the most common floor-area unit on Japanese real-estate listings.

How big is a typical Japanese apartment in tsubo?

A 1-bedroom apartment (1K/1DK) is typically 6–10 tsubo (20–33 m²). A family-size 3LDK is around 18–25 tsubo (60–83 m²).

Are tsubo and ping (台湾の坪) the same?

Yes — the Taiwanese 坪 (ping) is identical, ≈3.3058 m². Both descend from the same historical 尺 (shaku) system.

⚠️ Disclaimer

This calculator provides estimates only. For actual tax filing, please consult a licensed 税理士 (zeirishi) or FP (Financial Planner). Results are not a substitute for professional advice.

← See more English calculators