When leaving a place, common phrases to say include "I'm taking off," "I'm heading out," "I'm stepping out," "I'm making my exit," "I'm off," and "I'm calling it a day." These expressions vary in formality and context:
- "I'm taking off" and "I'm heading out" are informal and casual, suitable for social and professional settings.
- "I'm stepping out" is slightly more formal and polite.
- "I'm making my exit" is formal and can be used in dramatic or professional situations.
- "I'm off" is casual and often used when leaving quickly.
- "I'm calling it a day" usually means stopping work or an activity and leaving.
The choice depends on the context, relationship with listeners, and level of formality desired.