Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Photography
Lens Focal Length Crop Factor Calculator
Converts a lens's actual focal length to its equivalent focal length on a different sensor size using the crop factor. Use it when switching between full-frame and APS-C or Micro Four Thirds camera systems.
Fill in the required fields to see your result.
Photography
Camera Storage & File Size Calculator
Estimate what percentage of a memory card a session will fill based on your camera's megapixels, file format, and number of photos. Use it to plan card capacity before a shoot.
Fill in the required fields to see your result.
Key differences
| Lens Focal Length Crop Factor Calculator | Camera Storage & File Size Calculator | |
|---|---|---|
| Category | Photography | Photography |
| Inputs required | 3 | 3 |
| Result | Equivalent Focal Length (mm) | Total Storage Required (GB) |
| What it does | Converts a lens's actual focal length to its equivalent focal length on a different sensor size using the crop factor. Use it when switching between full-frame and APS-C or Micro Four Thirds camera systems. | Estimate what percentage of a memory card a session will fill based on your camera's megapixels, file format, and number of photos. Use it to plan card capacity before a shoot. |