How many basic units are in the SI system?
5
7
9
12
The SI system has seven basic units, it's a metre (length), kilogram (mass), second (time), ampere (electrical current), kelvin (temperature), candela (luminous intensity & mole (amount of substance)
reach: rather globalphysicsunits
Answers by country
5
7
9
12
answers
 Estonia
Estonia14
 the Netherlands
the Netherlands12
 Austria
Austria39
 Pakistan
Pakistan21
 India
India228
 the United Kingdom
the United Kingdom100
 Australia
Australia27
 Germany
Germany216
 Nigeria
Nigeria10
 Poland
Poland6454
 Unknown
Unknown23
 the Philippines
the Philippines19
 the United States
the United States134
 Canada
Canada17
 Republic of Ireland
Republic of Ireland15
 Switzerland
Switzerland24
 Malaysia
Malaysia13
 Greece
Greece13