| What it does | Free drywall calculator for estimating sheets, joint compound, tape, screws and cost
| Free dog age calculator and veterinary research-based pet tools
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| Stage | Startup
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| Founded | 2026
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| Based in | Not given
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - Room dimension input with support for feet, inches and metric measurements
- Automatic sheet count calculation for multiple board sizes: 4x8, 4x9, 4x10, 4x12
- Standard opening deductions: 21 sq ft per door, 15 sq ft per window, 112 sq ft per garage door
- Adjustable waste factor from default 10% to custom percentages
- Joint compound calculation in pounds and 4.5 gallon pails
- Joint tape calculation in linear feet and 250 foot rolls
- Drywall screw count and weight estimation
- Optional cost estimate with custom price per sheet and labor rates
- Embed calculator on external websites with responsive resize code
- Support for both rectangular and L-shaped room configurations
| - Dog age conversion by size (small, medium, large, giant breeds)
- AKC chart showing human-year equivalents
- DNA formula comparison (UC San Diego 16 × ln(age) + 31)
- Life stage identification (puppy, young adult, mature adult, senior, end of life)
- Dog lifespan by breed tool
- Puppy weight calculator
- Dog food calculator
- Dog calorie calculator
- Dog pregnancy calculator
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| What makes it different | - Calculates exact sheet count by laying out the board wall by wall the way a hanger would, accounting for offcuts and reuse
- All calculations run in the browser with no upload or storage of user data
- Transparent assumptions: every rule is checked against manufacturer and code references
- Real-time recalculation and instant results as you type without page reloads
- Metric unit support with automatic conversion of measurements and results
| - Research-based: built on peer-reviewed studies and veterinary guidelines from AAHA and AVMA
- Independent and transparent with no brand sponsorship or bias
- Mobile-friendly design that works on phones
- Multiple calculation methods shown for comparison (AKC chart and DNA formula)
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 10 |
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| Citation Flow (Majestic) | 20 | 19 |
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| Referring domains (Majestic) | 5 | 12 |
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Drywall Planner
petcalc