Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Photography
Field of View Calculator
Calculates the horizontal angle of view in degrees for any focal length and sensor width combination. Use it when choosing a lens for a specific framing or comparing cameras with different sensor sizes.
Fill in the required fields to see your result.
Photography
Crop Factor Calculator
Calculate the full-frame equivalent focal length of a lens on a crop-sensor camera by multiplying the actual focal length by the sensor's crop factor. Use it when comparing lenses across systems, predicting field of view, or planning gear purchases.
Fill in the required fields to see your result.
Key differences
| Field of View Calculator | Crop Factor Calculator | |
|---|---|---|
| Category | Photography | Photography |
| Inputs required | 2 | 2 |
| Result | Horizontal Field of View (degrees) | Equivalent Focal Length (mm) |
| What it does | Calculates the horizontal angle of view in degrees for any focal length and sensor width combination. Use it when choosing a lens for a specific framing or comparing cameras with different sensor sizes. | Calculate the full-frame equivalent focal length of a lens on a crop-sensor camera by multiplying the actual focal length by the sensor's crop factor. Use it when comparing lenses across systems, predicting field of view, or planning gear purchases. |