- Day 1 (July 1): Approximately 9,500 Union and 14,500 Confederate casualties.
- Day 2 (July 2): Approximately 12,500 Union and 12,500 Confederate casualties.
- Day 3 (July 3): Approximately 6,000 Union and 7,500 Confederate casualties.
It's important to note that these numbers are approximations and there is some variation in the reported casualties.