| What it does | Estimate concrete quantity and installed price for U.S. projects
| Free Mifflin-St Jeor calculator that shows every step of the equation
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Calculate concrete cubic yards for any slab size
- Estimate 80 lb concrete bags needed
- Get installed cost range for U.S. metro areas
- Adjust for custom waste factor
- Compare DIY material cost vs. contractor installed price
- Check actual quotes against calculator estimate
| - 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 | - All calculations use published sources with transparent labeling of verified vs. estimated figures
- Metro-level labor adjustment based on BLS wage data rather than ZIP codes
- Real-time updates as dimensions change without page reloads
| - 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) | 5 ▲ +1 (up) since last check | 16 ▲ +1 (up) since last check |
| Trust Flow (Majestic) | 4 | 1 |
| Citation Flow (Majestic) | 15 | 16 |
| Referring domains (Majestic) | 7 | 3 |