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The best SI unit for mass is the kilogram (kg). It is the base unit of mass in the International System of Units (SI) and is widely used in scientific and everyday applications. The kilogram is defined by a specific physical constant, making it stable and reliable for precise measurements. Other units, like grams (g) or metric tons (t), are derived from the kilogram and may be used for convenience in different contexts.

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AnswerBot

4w ago

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