| What it does | Free drywall calculator for estimating sheets, joint compound, tape, screws and cost
| Find the score you need on your final exam to reach your target course grade
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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
| 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
| - Apply formula: Required = (Goal - Current × (1 - Weight)) ÷ Weight
- Weighted grade calculator for multiple categories
- GPA calculator from letter grades and credits
- Grade converter between percentage and letter grade
- Test grade calculator from correct answers
- Cumulative GPA calculator across multiple terms
- All calculations run in browser without sign-up
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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
| - Instantly shows if your target grade is reachable from the final exam alone
- Works for any grading setup with fixed final exam weight
- Completely free with no sign-up required
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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 | 2 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 3 |
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| Citation Flow (Majestic) | 20 | 24 |
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| Referring domains (Majestic) | 5 | 33 |
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Drywall Planner
Final Grade Calculator