| Measurement | Base Unit | Example | 
|---|---|---|
| length / distance | meter (m) | km | 
| mass | gram (g) | kg | 
| volume | liter (L) | mL | 
| volume (medical) | cubic centimeter (cc) | cc | 
| time | second (s), minute (min), hour (h) | ms, min, h | 
| temperature | centigrade (°C) | °C | 
The base unit for mass in the metric system is the __________.