RulerHero
Back to Guides
Guía de Uso
2026-08-14
3 min read

Guía Paso a Paso para Calibrar y Usar una Regla en Pantalla

Instrucciones paso a paso para calibración sin errores y mediciones con múltiples marcadores directamente en su navegador web.

1. 3-Step Calibration Procedure

  1. Verify Browser Zoom: Press Ctrl + 0 (or Cmd + 0 on Mac) to reset display zoom to 100%.
  2. Select Calibration Mode: Click [Calibrate] in top bar and select either [Credit Card] or [Monitor Size].
  3. Align Physical Reference: Hold a physical credit card against screen, adjust container width to match 85.60 mm width, and save.

Start Measuring Objects Now!

Calibrate in 1 second and measure real-world items on your screen in cm or inches.

Open Online Ruler