About These Calculators
Technical photography calculators for hobbyists and professionals. Calculate depth of field, figure out print sizes, and determine aspect ratios.
Photography Calculators
15 toolsDepth of Field Calculator
Calculate near focus, far focus, and hyperfocal distance for any lens
Print Size Calculator
Calculate maximum print size and aspect ratio from your photo's pixel dimensions
Aspect Ratio Calculator
Calculate, convert, and scale aspect ratios for any resolution
Exposure Calculator
Calculate equivalent exposure settings using the exposure triangle — aperture, shutter speed, and ISO
Golden Ratio Calculator
Calculate golden ratio dimensions for photography composition and design
Flash Guide Number Calculator
Calculate flash-to-subject distance, required aperture, or flash power from the guide number
Focal Length Crop Factor Calculator
Calculate the equivalent focal length and field of view for different sensor sizes
Photo File Size Calculator
Estimate file sizes for RAW, JPEG, TIFF, and PNG images at any resolution
Shutter Speed Calculator
Calculate the right shutter speed for sharp photos based on focal length, motion, and conditions
Lens Filter Size Calculator
Find the right filter size and calculate ND filter exposure adjustments for long exposures
Depth of Field DOF Calculator
Calculate depth of field from aperture, focal length, and distance
Golden Hour Duration Calculator
Estimate golden hour timing for your location
Print Resolution Calculator
Calculate required megapixels for your print size
Time Lapse Interval Calculator
Calculate interval settings for time-lapse photography
Photo Storage Size Calculator
Estimate photo file sizes for storage planning
Frequently Asked Questions
Are these photography calculators free?
Yes, all 15 calculators are completely free with no signup required. They run entirely in your browser — no data is sent to any server.
How accurate are these calculators?
Our calculators use industry-standard formulas and are regularly updated. However, they provide estimates — always verify critical calculations with a professional in the relevant field.
Can I use these calculators on my phone?
Yes, all calculators are mobile-responsive and work on any device with a web browser. No app download needed.
Do you save my calculations?
No. All calculations happen in your browser. We don't store any of your inputs or results. Your data stays on your device.
Can I embed these calculators on my website?
Select calculators offer embed codes that you can copy and paste into your website or blog. Look for the "Embed This Calculator" section on individual tool pages.