Practical calculators and visualizers built for photographers. All calculations run locally in your browser.
Balance shutter speed, aperture, and ISO. See real-time exposure value changes.
Enter latitude and date to find precise dawn and dusk times for golden light.
Calculate sharp focus range based on focal length, aperture, and subject distance.
Toggle between rule of thirds and golden ratio overlays on any image.
Determine optimal print dimensions from pixel dimensions and DPI settings.
Input brightness values to visualize a simulated histogram distribution.
Explore color temperature values and see real-world Kelvin comparisons.
Calculate horizontal, vertical, and diagonal field of view for any lens-sensor combo.
Compute circle of confusion and relative bokeh strength for different setups.
EV calculations with the Sunny 16 rule explained for outdoor metering.