Do I really need a calibrated tamper?

If you struggle with consistent shots, yes. A calibrated spring-loaded tamper eliminates pressure variation entirely. If your shots are already consistent, a quality flat-base tamper without calibration works fine.

What is the correct tamping pressure?

Industry standard is around 30 pounds of force. However, recent research suggests that as long as pressure is consistent and sufficient to remove air pockets, the exact number matters less than consistency from shot to shot.

Best Espresso Tampers and Accessories 2026