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ChemistryCLASS 10CBSE
answered 20 May 2026

What are the 7 fundamental units?

A.VERIFIED ANSWERfact-checked by tutors

The 7 SI Fundamental (Base) Units:

UnitSymbolQuantity
MetremLength
KilogramkgMass
SecondsTime
AmpereAElectric current
KelvinKTemperature
MolemolAmount of substance
CandelacdLuminous intensity

Newton, Joule, and Watt are derived units, not fundamental. Kilogram, metre, and second are the fundamental units most directly used to describe a physical body.

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CHEMISTRY · CLASS 10