With a tape measure.
probably to measure a lamp depending on if its a desk lamp or a stand up lamp, if you use a stand up lamp, i would suggest using either feet or inches
the trick to finding the right size lampshade for your lamp is to measure the base of the lamp, times it by the height and the divide it by the width. this answer will be the diameter of your lampshade.
To determine the right size lamp shade harp for your table lamp, measure the height of the lamp base and add 1 inch for a standard fit.
Just use a tape measure or some other measuring tool.
The metric unit typically used to measure the height of a lamp is meters (m). This unit is part of the International System of Units (SI) and is commonly used for measuring length and distance. When measuring the height of a lamp, it is important to use a metric measuring tool, such as a meter stick or tape measure, to ensure accuracy.
Centimetres.
The metric unit commonly used to measure height is the meter. So, you would measure the height of Big Ben in meters.
metres
that depends entirely on the size of the lamp post
ruler
Kilograms. A lamp would typically weigh at around 10 kg
that depends entirely on the size of the lamp post