Photography

Depth of field, hyperfocal distance, field of view, crop factor, and print sizes.

7 tools

Aspect Ratio CalculatorWork out the aspect ratio of any width and height, plus the new height that keeps it when you resize.Crop Factor CalculatorConvert a lens focal length to its full-frame equivalent using your sensor's crop factor.Depth of Field CalculatorFind the near limit, far limit and total depth of field from focal length, aperture and focus distance.Field of View CalculatorCalculate the angle of view in degrees from your sensor dimension and focal length.Hyperfocal Distance CalculatorFind the hyperfocal distance for any focal length and aperture — the focus point that maximises depth of field.Megapixel CalculatorConvert image width and height in pixels into total megapixels.Print Size CalculatorFind the print dimensions in inches and centimetres for an image at a given DPI.