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Aspect Ratio Calculator

Calculate dimensions for 16:9, 4:3, 1:1, 9:16 and view social media guides.

100% Client-Side (Data never leaves your device)
Smart Aspect Ratio Inspector & Calculator

Aspect Ratio Calculator & Image Inspector

Upload an image to inspect its exact aspect ratio. Calculate dimensions instantly using custom ratio inputs or social media presets.

Click to upload imageInstantly analyzes dimensions & aspect ratio
Ratio Width
:
Ratio Height
Width (px)
Height (px)
Aspect Ratio Preview
1920 x 1080
16 : 9
YouTube Video1920 x 1080 px
16:9
IG Square Post1080 x 1080 px
1:1
TikTok / Reel / Story1080 x 1920 px
9:16
Facebook Cover820 x 312 px
2.63:1
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How to Use Aspect Ratio Calculator

  1. Select an aspect ratio preset (e.g. 16:9 for YouTube or 9:16 for TikTok).
  2. Enter the Width, and the system instantly calculates the exact Height.
  3. Alternatively, enter the Height to calculate the Width.
  4. Refer to the bottom guide for standard social media dimensions.

About & How Aspect Ratio Calculator Works

Detailed insight and guide for optimal results

An aspect ratio calculator with social media size guides supporting 16:9, 4:3, 1:1, and 9:16 ratios.

Each social platform requires different image sizes. This tool calculates correct dimensions for perfect display across all platforms.

Expert Tips for Best Results

  • Select desired ratio or enter custom values.
  • Enter width to auto-calculate height (or vice versa).
  • View recommended sizes for Facebook, Instagram, YouTube.
  • Perfect for designers and content creators.

คำถามที่พบบ่อย — Aspect Ratio Calculator

Nowhere. The Aspect Ratio Calculator operates entirely client-side. Your files are processed inside your browser and are never uploaded to any remote servers, ensuring maximum privacy.
Since processing runs locally, the maximum limit depends on your device's memory (RAM) and browser limits. We suggest uploading moderately sized files for optimal speed.
The tool exports your files in high-quality, standard formats (like PNG, JPG, or PDF) that are fully compatible with external editors and viewers.

⭐ ให้คะแนนเครื่องมือนี้

4.7

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25

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