Convert square micrometer [µm^2] to varas castellanas cuad Online | Free area Converter

Square Micrometer [µm²]


A square micrometer (µm²) is a unit of area equal to a square with sides 1 micrometer long (1 µm = 0.000001 meters). It is used to measure microscopic areas, such as cells or microchips.

1 µm² = 0.000000000001 m² (1 × 10⁻¹² m²).



Varas Castellanas Cuadradas


Varas castellanas is an old Spanish unit of length, and varas castellanas cuadradas refers to the corresponding unit of area (square varas castellanas).



  • 1 vara castellana ≈ 0.8359 meters



  • 1 square vara castellana = (0.8359 m)² ≈ 0.6988 m²



This unit was historically used in Spain and Spanish colonies for measuring land and building areas. It is mostly obsolete today but can still appear in old land records.




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