Paso 1: captura la pantalla o la ventana presionando PrtScn o Alt + PrtScn

Paso 2: pegue en esta página presionando Ctrl + V

Paso 3: haga clic en 2 píxeles para obtener la longitud

Paso 1: Captura la pantalla o ventana presionando ⌘ Command + ⇧ Shift + 3 o ⌘ Command + ⇧ Shift + 4

Step 2: Paste in this page by pressing ⌘ Command+V

Step 3: Click on 2 pixels to get length

Step 1: Capture screen by pressing Home ▢+Hold / Power buttons

Step 2: Paste in this page by long tap and pressing Paste button.

Step 3: Click on 2 pixels to get length

Step 1: Capture screen by pressing Volume up + Power buttons

Step 2: Paste in this page by pressing Paste button.

Step 3: Click on 2 pixels to get length