Calculator cluster
Screens & projection
Viewing distance, throw, aspect ratio, brightness, viewing angle and pixel pitch.
Screens & projection
Pixel Pitch and Retina Distance Calculator
Find pixel pitch and the distance at which 4K (or 1080p) pixels hit 1 arc-minute visual acuity.
Screens & projection
Projector Brightness (Foot-Lamberts) Calculator
Estimate on-screen foot-lamberts and nits from lumens, screen gain and image area. Compare with cinema and HDR targets.
Screens & projection
Projector Throw Distance Calculator
Turn a throw-ratio pair and screen size into the minimum, maximum and mid-zoom mounting distance.
Screens & projection
Screen Size to Aspect Ratio Converter
Convert a diagonal and aspect ratio into width, height and area for 16:9, Scope or 4:3 masking.
Screens & projection
Screen Viewing Distance Calculator
Convert a screen diagonal into THX 40° and SMPTE 30° seating distances. Inches on the diagonal; metres (or feet) to the seat.
Screens & projection
Ideal Viewing Angle Calculator
Get horizontal and vertical field of view from image size and seating distance. Compare with THX 40° and SMPTE 30°.
Other clusters
- Speaker placement & acousticsStereo triangle, Atmos ceiling angles, first reflections, room modes and panel coverage.
- Amplification & powerAmp matching, speaker wire gauge, AVR heat, conditioners and Ohm’s-law rack load.
- Signal, cables & storageHDMI bandwidth, cable capacitance, audio delay, Plex storage and STC estimates.
- TV mounting & DIYWall-mount height, VESA, TV-to-wall proportion, Helmholtz traps, rack U-space and boundary gain.