It is because they use the metric system
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Scientists around the world use the International System of Units (SI) as a standardized system of measurement to ensure consistency and accuracy in their research. It provides a common language for scientists to communicate and share data, regardless of their location or field of study. Additionally, the SI units are based on fundamental physical constants, which makes them more reliable and precise for scientific calculations.
SI units
The SI system is the international standard, if scientists want to be understood, and taken seriously, on the world stage they need to use the SI system.
Scientists around the world use the International System of Units (SI) as their primary system of measurements. The SI system is based on seven base units, including the meter for length, kilogram for mass, and second for time. This standardized system helps ensure consistency and comparability in scientific measurements.
The SI system was established in 1960.
Why scientist use SI unitsSo all scientists no matter what country their in can do the experiment and know how much of a specific material to use. It is because the length of each person varies.But SI units show exact length whenever it is taken.