# Reel Video Duration & Loop Optimization Calculator

> Calculate optimal Reel video duration (5s vs 15s vs 30s) and estimated loop velocity based on caption reading time.

- **Category / Silo**: social
- **Free Access**: Yes (No credit card required)

## Tool Description
Calculate optimal Reel video duration (5s vs 15s vs 30s) and estimated loop velocity based on caption reading time.

## Key Steps & Implementation
1. **Input Video Length**: Select or enter video duration in seconds (e.g. 6s).
2. **Input Caption Words**: Enter total word count of your caption (e.g. 60 words).
3. **View Loop Metrics**: View calculated Watch Time %, expected loops, and algorithm score.

## Key Benefits
- Calculates Predicted Reel Watch Time %
- Estimates Video Loop Velocity Based on Caption Reading
- Recommends Optimal Video Length (5s vs 15s vs 30s)
- Highlights Comment Typing Loop Multipliers
- Free Interactive Short-Form Video Tool

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URL: https://cacto.cc/tools/social/reel-loop-calculator