Base Unit

Key Stage 5

Meaning

Base units are the fundamental units that define the SI system.

About Base Units

• Include units like the metre (m), kilogram (kg), second (s), and ampere (A).
• They form the basis for derived units.
• Ensure consistency in measurements across different fields of science.

Examples

• The metre is used to measure length.
• The second is the unit of time in the SI system.