Four free calculators for photographers and filmmakers. They run in your browser. Nothing you type is sent anywhere.
ND filter calculator
Shows the new shutter speed when you add a neutral density (ND) filter.
Shutter angle calculator
Video shutter speed from frame rate and shutter angle, or the angle from a shutter speed.
Video storage and bitrate calculator
How much space your footage takes, and how long a memory card lasts. Card sizes use the maker’s figures (1 GB = 1,000,000,000 bytes).
Tip: bitrate is in megabits per second, shown in your camera’s video menu or its spec sheet.
Aspect ratio and crop size calculator
Type a width in pixels to see the matching height for common ratios on Instagram, YouTube and print.
| Ratio | Common use | Height (px) |
|---|