Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Print Size & Resolution Calculator

Determine the maximum print dimensions and check whether your image has enough pixels for sharp output at a target DPI. Photographers use this before ordering large-format prints or preparing files for press.

Image Width (pixels)

Image Height (pixels)

Target Print DPI

Fill in the required fields to see your result.

Photography

Studio Lighting Ratio Calculator

Determine the exact fill light power needed to achieve a target lighting ratio in studio photography. Use this when balancing key and fill lights for portraits or product shots.

Key Light Power

Key Light Distance (meters)

Fill Light Distance (meters)

Desired Lighting Ratio

Fill in the required fields to see your result.

Key differences

	Print Size & Resolution Calculator	Studio Lighting Ratio Calculator
Category	Photography	Photography
Inputs required	3	4
Result	Maximum Print Area (sq in)	Required Fill Light Power (W)
What it does	Determine the maximum print dimensions and check whether your image has enough pixels for sharp output at a target DPI. Photographers use this before ordering large-format prints or preparing files for press.	Determine the exact fill light power needed to achieve a target lighting ratio in studio photography. Use this when balancing key and fill lights for portraits or product shots.