| What it does | Browser-based grade calculator for weighted course grades, final planning, and GPA estimates
| Calculate exact chronological age in years, months and days from birth and test dates
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Calculate weighted course grades from multiple assignments and assessments
- Support for multiple grade formats including percentages, letter grades, and points
- Final exam score planning to reach a target grade
- Customizable letter grade scales for different schools and instructors
- Display both raw and weighted grade averages
- Support for semester, quarter, and high school grades
- GPA point calculations with letter-grade conversion
- No account required to use calculators
- Browser-based access with save functionality
| - Single child age calculation
- Batch processing for entire caseload
- Y;M;D format output
- Calendar months and 30-day month borrowing methods
- Leap year support
- CSV export
- No data storage or accounts required
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| What makes it different | - Handles partial course weights that do not add up to 100 percent
- Distinguishes between raw averages and weighted averages to show individual assignment impact
- Automatically converts between percentages, points, and letter grades using customizable scales
- Estimates the exact final exam score needed to achieve a target grade
- Works without requiring account creation or login
| - Runs entirely in browser with no server transmission of dates
- Supports both calendar and 30-day month conventions
- Batch mode to process entire caseloads without manual arithmetic
- Uses actual calendar calculation including leap years
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 25 | 0 |
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| Referring domains (Majestic) | 16 | 0 |
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GradeCal
Chronological Age Calculator