The term "a quarter" can refer to different things depending on the context. If you are asking about:
1. **A Quarter of an Ounce (commonly used with substances like
cannabis)**
- A quarter ounce = 7 grams (approximately 7.087 grams).
2. A Quarter of a Gram
- 0.25 grams.
3. A Quarter of a Kilogram
- 250 grams.
If you specify the context, I can provide a more precise answer!
