| What it does | Free aspect ratio calculator and converter for images, videos and screens
| Free Mifflin-St Jeor calculator that shows every step of the equation
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Aspect ratio calculator with live preview
- Aspect ratio converter for crop and pad
- Image aspect ratio checker
- Image crop calculator
- Image resize calculator keeping aspect ratio
- CSS aspect-ratio property generator
- Platform-specific upload size guides
- Common aspect ratio reference chart
- Greatest common divisor calculation shown
- Embeddable calculator widget
| - Shows full equation working with step-by-step substitution
- Multiple activity levels from sedentary (×1.2) to extra active (×1.9)
- Katch-McArdle calculator using body fat percentage
- Step-based TDEE estimation
- Adaptive TDEE calculator from weight changes
- Embeddable calculator iframe
- Metric and imperial unit switching
- Comparison with other equations like Harris-Benedict
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| What makes it different | - Shows all arithmetic and calculation steps instead of hiding them
- Verifies all calculations against source specifications before publishing
| - Shows all working so users can verify the math themselves
- Uses the most accurate equation for healthy adults
- Multiple calculation methods beyond basic equation
- Transparent about accuracy limitations and sources
- Completely free with no tracking or cookies
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 16 ▲ +1 (up) since last check |
| Trust Flow (Majestic) | 0 | 1 |
| Citation Flow (Majestic) | 17 | 16 |
| Referring domains (Majestic) | 1 | 3 |