Japanese jo (tatami) to Square feet
1 畳 ≈ 17.44 ft². Edit either value to convert instantly.
Conversion formula
ft² = 畳 × (1.62) × (1,562,500 / 145,161)1 畳 ≈ 17.4375 ft²
Japanese jo (tatami) (畳)
One jo is represented here by the 1.62 m² Japanese real-estate listing convention; actual tatami mats differ by region.
Source: NITE — Exposure Factors leaflet, regional tatami sizes and 1.62 m² listing convention
square foot (ft²)
One square foot equals exactly 0.09290304 m².
Source: NIST — Revised Unit Conversion Factors for the international foot
Conversion table
| 畳 | ft² |
|---|---|
| ≈ 17.4375 | |
| ≈ 34.8751 | |
| ≈ 87.1877 | |
| ≈ 174.375 | |
| ≈ 261.563 | |
| ≈ 348.751 | |
| ≈ 435.938 | |
| ≈ 523.126 | |
| ≈ 697.501 | |
| ≈ 784.689 |
| 畳 | ft² |
|---|---|
| ≈ 871.877 | |
| ≈ 1,046.25 | |
| ≈ 1,220.63 | |
| ≈ 1,395 | |
| ≈ 1,569.38 | |
| ≈ 1,743.75 | |
| ≈ 2,615.63 | |
| ≈ 2,790.01 | |
| ≈ 2,964.38 | |
| ≈ 3,138.76 |
Frequently asked questions
How many square feet are in 1 Japanese jo (tatami)?
1 畳 ≈ 17.44 ft². ft² = 畳 × (1.62) × (1,562,500 / 145,161)
How do I convert 畳 to ft²?
ft² = 畳 × (1.62) × (1,562,500 / 145,161)
Is 1 Japanese jo (tatami) bigger than 1 square foot?
1 畳 ≈ 17.44 ft².
Related conversions
All quantities
LengthMass / weightVolumeTemperatureSpeedTimePressureEnergyPowerData storageFuel economyAngleFrequencyForceTorqueDensityData transfer rateAccelerationElectric chargeElectric currentVoltageCapacitanceAbsorbed doseDynamic viscosityElectrical resistanceIlluminanceKinematic viscosityLuminanceMagnetic flux densityMass flow rateRadioactivityVolumetric flow rateElectrical conductanceEquivalent doseInductanceMagnetic fluxMolar concentrationSolution mass concentrationAmount of substanceAngular velocityCountLuminous fluxLuminous intensityMagnetic field strengthMagnetomotive forceAbsorbed dose rateRadiation exposureThermal conductivity