The SI Units Calculator by SMART AI CALCULATOR helps students and professionals in India & USA understand and convert SI base units, derived units, and metric prefixes accurately according to international standards.
The International System of Units (SI) is the modern form of the metric system. It is maintained by the International Bureau of Weights and Measures (BIPM) and used globally in science, engineering, and education.
| Quantity | SI Unit | Symbol |
|---|---|---|
| Length | Meter | m |
| Mass | Kilogram | kg |
| Time | Second | s |
| Electric Current | Ampere | A |
| Temperature | Kelvin | K |
| Amount of Substance | Mole | mol |
| Luminous Intensity | Candela | cd |
Who defines SI units?
BIPM (International Bureau of Weights and Measures).
Are SI units mandatory?
Yes, for scientific and academic use.
Is this calculator accurate?
Yes, it uses official SI prefix powers.