Galaxy A23 5G Ruler
Actual size, on screen

What fits on the Galaxy A23 5G screen – and what doesn't

• a 4×6 photo (long side)152.4 mm / 6.00 infits in one go (0.4 mm to spare)
• a CD case (long side)142 mm / 5.59 infits in one go (10.8 mm to spare)
• an index card (long side, 3×5)127 mm / 5.00 infits in one go (25.8 mm to spare)
• a US dollar bill (long side)155.96 mm / 6.14 in3.2 mm too long – measure in 2 passes
• a new pencil190 mm / 7.48 in37.2 mm too long – measure in 2 passes
• A4 paper (short side)210 mm / 8.27 in57.2 mm too long – measure in 2 passes

The Galaxy A23 5G screen in numbers

• The screen is 152.8 mm (6.01 in) tall – 6.3 quarters laid end to end
• 1.78 times the long side of a credit card (85.6 mm)
• There are 105 physical pixels in every centimetre, 266 in every inch
• The finest 1 mm tick is 10.5 pixels apart

Compared with nearby models

Screen height compared with the Galaxy A23 5G (68.8 × 152.8 mm).

• Galaxy A32 5G2021 · 67.8 × 150.5 mm2.2 mm shorter
• Galaxy A33 5G2022 · 66.7 × 148.3 mm4.5 mm shorter
• Galaxy A54 5G2023 · 68.1 × 147.5 mm5.3 mm shorter

How this ruler stays true to size

The Galaxy A23 5G packs 266 pixels into every inch and draws 1.663 physical pixels per CSS pixel, so one millimetre is 6.30 CSS px. The ticks are rebuilt from that number and the live pixel ratio each time the page opens, which is why no calibration is needed on this model. The right side of the strip is metric (mm/cm) and the left side is inches in 1/16 steps; 1 inch = 25.4 mm.

If the ticks look off (display zoom or font-size settings change the ratio), hold a credit card against the screen – its long side is 85.6 mm – and use the card calibration. The calibration tool and the full device list are in Japanese, but the controls are simple: pick card or coin, drag to match. 日本語版はこちら.