Calculator

Crop factor calculator

Full-frame equivalent focal length, aperture and field of view for any sensor.

Full-frame equivalent focal length—
Equivalent aperture (depth of field)—
Diagonal field of view—

How it works#

Equivalent focal length = focal × crop; equivalent aperture (for depth of field and total light) = N × crop. Exposure itself does not change with sensor size.

Last updated October 03, 2026 · How we calculate · Sources

Last posts

  1. The Most Dependable Way to Back Up Family Photos
  2. Who Needs a Dedicated Photo Printer at Home
  3. Are Large Cleaning Kits Better Than Basic Sets
  4. Do You Need a Macro Focusing Rail in the Field
  5. Do You Need a Heated Lens Wrap for Aurora Photography
  6. Does an Extended Warranty Cover Accidental Drops
  7. Do Padded Camera Straps Actually Stop Neck Pain
  8. Using Old Lenses on Mirrorless Cameras Compatibility Rules
  9. Are My Lens and Teleconverter Compatible? A Practical Check
  10. Using Clip-on SSDs for Phone Video Recording