Guides
Plain answers about screen sizes, resolutions and screen problems, worked out from makers’ spec sheets.
Monitors
Best monitor size for gaming How much of your view each size fills at a desk. Large monitor sizes How big a desk monitor can be, and where to sit. Smallest monitor sizes The smallest desktop monitors and how big they look. Ultrawide monitor sizes 34, 38, 45 and 49 inch ultrawides compared. Monitor for a small desk How far to sit from each size, and the shallowest stands. Best dual monitor size Total width and view for each pair of monitors. Curved vs flat monitors What 1000R, 1500R and 1800R mean, and how deep each curve is. Monitor return rules What to check on a new monitor, and how to return it.
TVs and projectors
What size TV for a living room? The right TV size for each seating distance. Biggest TV sizes The largest TVs, how big they are and where to sit. Smallest TV sizes The smallest TV, OLED and 4K sizes, and where small TVs fit. How to measure a TV Measure the diagonal, width and height the right way. Projector screen sizes Width and height of every common 16:9 projector screen.
Phones and laptops
Resolution and measuring
Resolution vs screen size How size and resolution set sharpness. Most common screen resolutions The standard resolutions and what they are used for. Is 3440 × 1440 4K? How ultrawide 1440p compares with 4K. How to calculate aspect ratio Work out any image ratio step by step. How to measure on screen Use your screen as a true-size tape measure.