Popular invitation sizes include:
- 4″ x 6″ – Compact and cost-effective
- 5″ x 7″ (A7) – The most common standard invitation size
- 6″ x 8″ – Slightly larger, more premium feel
- Square formats (5″ x 5″ or 6″ x 6″) – Modern and stylish
- Custom sizes – For unique or luxury event designs
The 5″ x 7″ size is widely preferred because it balances elegance, readability, and mailing efficiency.
