What is 14 140mm on micro four thirds in full frame?

14-140mm on Micro Four Thirds gives the view of 28-280mm on full frame.

The same view on every common format:

• Medium format (44 x 33): 35-354mm
• Full frame: 28-280mm
• APS-C: 19-187mm
• APS-C (Canon): 18-175mm
• Micro Four Thirds (yours): 14-140mm
• 1-inch: 10-104mm
• 1/1.3-inch: 7.8-78mm
• 1/1.7-inch: 6.1-61mm
• 1/2.3-inch: 5-50mm

Crop factors are by the sensor diagonal, rounded as they're usually quoted; a format with a different shape (4:3 against 3:2) frames a little differently across the width. More in the focal length converter.

Computed from the sensor sizes, not written by a model.