Photography

Camera Shutter Lifespan Calculator

Estimate remaining shutter life on your camera based on current actuation count and the manufacturer rating. Helps plan service before shutter failure.

Angle of View Calculator

Calculate the angle of view (AoV / FoV) for any lens and sensor size. Find horizontal, vertical, and diagonal angles for full frame, APS-C, M43, and more.

Circle of Confusion Calculator

Calculate the circle of confusion (CoC) for any sensor format and viewing distance. Used for depth of field, hyperfocal distance, and bokeh planning.

Continuous Light Exposure Calculator

Calculate exposure settings for continuous LED or tungsten light from lux, ISO, and aperture. Get shutter speed for any video or photo workflow.

Film Reciprocity Failure Calculator

Correct exposure for film reciprocity failure during long exposures. Supports common films (Tri-X, Provia, Velvia, HP5, Acros) for night photography.

Mired Shift Filter Calculator

Calculate the mired shift between two color temperatures to choose the right warming or cooling filter for your camera, video, or film stock.

Motion Blur Shutter Speed Calculator

Calculate shutter speed to freeze or intentionally blur motion. Enter subject speed and focal length to get the right speed for sharp action photos.

Night Sky Exposure Calculator

Calculate ideal shutter speed for astrophotography using the 500 rule and NPF rule to prevent star trails. Includes Milky Way and deep sky exposure settings.

Focus Stacking Shot Count Calculator

Calculate how many photos you need for focus stacking. Find the depth of field per shot and total shots to cover your subject from front to back.

Studio Lighting Ratio Calculator

Calculate studio lighting ratios between key and fill lights. Find the exposure difference in stops and the resulting contrast on your subject.

Long Exposure Noise Reduction Time Calculator

Calculate total capture time for in-camera long exposure noise reduction (LENR). Enter shutter speed to get full time including the dark frame.

Drone Flight Time Calculator

Estimate how long your drone will fly on a single battery charge. Enter battery capacity, voltage, and average power draw to calculate flight time.

Flash Exposure Value (EV) Calculator

Calculate flash exposure value and correct flash power for a given aperture, ISO, and subject distance using the guide number method.

Focal Length Equivalent Calculator

Convert a lens focal length between full-frame (35mm) equivalent and any camera crop sensor using the crop factor multiplier.

Analog Film Development Time Calculator

Calculate adjusted darkroom film development time based on temperature and developer dilution. For black and white film photography.

Aspect Ratio Crop Calculator

Calculate the exact pixel dimensions to crop an image to any aspect ratio without distortion. Perfect for social media, printing, and video.

Golden Hour Duration Calculator

Calculate golden hour duration at any latitude and time of year. Near the equator it lasts 20 minutes; near the poles, hours. Plan outdoor photo shoots.

Memory Card Video Recording Capacity Calculator

Calculate how much video footage fits on your memory card based on resolution, frame rate, and codec. Covers 4K, 1080p, RAW video, and different camera formats.

Print Resolution Calculator

Calculate maximum print size from image resolution or find pixels needed for a target print size. Covers 72, 150, 200, and 300 DPI output quality levels.

Timelapse Interval Calculator

Calculate the perfect timelapse interval, number of shots, and final video duration for any scene. Works for sunsets, clouds, construction, and more.

Camera Battery Life Calculator

Estimate camera battery life from battery mAh, camera type, and shooting mode. Returns shots per charge and recording time for trips and events.

Photo Print Cost Calculator

Calculate photo print costs from size and paper type — glossy, matte, or canvas. Returns cost per print and total for wallet to 24x36 at labs, kiosks, and home.

Depth of Field Calculator

Calculate depth of field for any camera, lens, and aperture combination. Returns near limit, far limit, hyperfocal distance, and total DOF in meters or feet.

Flash Guide Number Calculator

Calculate flash guide number, maximum flash range, and required aperture from GN and ISO. Essential formula for manual flash and off-camera lighting setups.

Golden Hour Duration Estimator

Estimate golden hour and blue hour start times and duration for any latitude and month. Plan outdoor, portrait, and landscape shoots for the best natural light.

Hyperfocal Distance Calculator

Calculate hyperfocal distance from lens focal length, aperture, and circle of confusion. Focusing here gives maximum depth of field for landscapes.

Memory Card Photo Capacity Calculator

Calculate photos or video minutes on an SD card from size in GB and camera resolution. Covers JPEG, RAW, 1080p, 4K, and 8K video at different bitrates.

Photography Exposure Triangle Calculator

Calculate equivalent exposure settings by adjusting ISO, aperture (f-stop), or shutter speed in stops. Maintain correct exposure when changing one.

Sensor Crop Factor Calculator

Calculate equivalent focal length and angle of view from sensor size and crop factor. Compare full-frame, APS-C, Micro Four Thirds, and medium format sensors.

Star Trail Calculator

Calculate the 500 rule and NPF rule exposure times for sharp stars or intentional star trails. Enter focal length and sensor crop factor for accurate settings.

Aspect Ratio Calculator

Calculate new image dimensions while preserving aspect ratio from pixels, inches, or cm. Supports Instagram (1080x1080), YouTube (1280x720), and print formats.

Flash Guide Number Calculator

Calculate flash exposure using GN = aperture x distance. Find the f-stop for any flash-to-subject distance and ISO for studio strobes and hot shoe speedlights.

Lens Crop Factor Calculator

Calculate equivalent focal length on different sensor sizes using crop factor. A 50mm on APS-C (1.5x) equals 75mm full-frame for field of view.

Megapixel Calculator

Calculate camera megapixels from sensor resolution and find maximum sharp print sizes at 150, 200, and 300 dpi. Compare resolution across camera models.

ND Filter Calculator

Calculate new shutter speed for ND2 through ND1000 filters from your base exposure settings. Returns adjusted time for waterfalls, traffic, and motion blur.

Panorama Shot Calculator

Calculate how many photos you need for a panorama. Enter focal length, camera sensor, and desired field of view for overlap planning.

Photo Booth Rental Cost Calculator

Estimate photo booth rental costs for weddings and events. Factor in hours, booth type, attendant, unlimited prints, props, and digital sharing package.

Film Budget Estimator

Estimate a film budget from crew size, shoot days, equipment rentals, and location fees. Returns above-the-line and below-the-line cost breakdowns.

Frame Rate Converter

Convert video between frame rates (24, 25, 30, 60, 120 fps) and calculate slow-motion factors. Find shutter speed using the 180-degree rule for any frame rate.

Shooting Ratio Calculator

Calculate video shooting ratio and storage requirements from raw footage vs final edit length. Covers H.264, ProRes, and RAW codecs at common resolutions.

Depth of Field Calculator

Calculate depth of field, near focus limit, and far focus limit based on focal length, aperture, subject distance, and sensor size.

Event Photography Calculator

Estimate the number of photos to expect from event photography based on duration, moments to capture, and shooting style. Calculate storage needs.

Exposure Triangle Calculator

Change one exposure setting (aperture, shutter speed, or ISO) and calculate the compensating adjustment to maintain the same exposure.

Golden Hour Calculator

Calculate golden hour start/end times and the blue hour window from your latitude and date for any location — for landscape and portrait photos.

Golden Ratio Composition Calculator

Calculate golden ratio grid overlay positions for your image dimensions. Improve your photo composition with the golden ratio.

Photo Print Size Calculator

Find the maximum print size for your photo at 300 DPI (excellent) or 150 DPI (acceptable) quality. Supports inches and centimeters.

Photo Storage Calculator

Estimate how much storage space your photos will need per month and year based on camera megapixels, file type, and shooting frequency.

Timelapse Calculator

Calculate timelapse photo count, final video length, and storage from shoot duration, interval, and playback frame rate. Returns shots and GB needed.