Metres would probably be the most convenient.
I would use meters.
The meter.
To measure the length of a hallway, you would typically use a measuring tool such as a tape measure or a measuring wheel. Start at one end of the hallway and extend the measuring tool to the other end, ensuring it is straight and taut for an accurate measurement. Record the measurement in the appropriate units, such as feet or meters, to determine the length of the hallway.
You would typically use a measuring tape or a ruler to measure the length of a school hallway in meters, centimeters, or millimeters. If you need to measure longer distances in kilometers, you might use a measuring wheel or a GPS device.
The length of a school hallway can vary significantly depending on the size and layout of the school. Typically, a standard school hallway might range from 50 to 150 feet long. In larger schools, hallways can be even longer, especially if they connect multiple wings or sections. Ultimately, the specific design and architectural choices of the school determine its hallway length.
a hallway
Metres
You can measure it in inches, yards or feet - it depends on the accuracy required.
I would use meters.
there are many different ways but I would go with yards.
You could use the centimeter (cm) or meter (m) unit to measure the length of a desk at school.
By hours and minutes.