| What it does | Browser-based grade calculator for weighted course grades, final planning, and GPA estimates
| Convert decimal hours to hours and minutes with exact math
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| Stage | Not given
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| Founded | Not given
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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
| - Convert decimal hours to hours and minutes format
- Support for multiple units: hours, minutes, seconds, and days
- Display results in multiple formats including clock time
- One-click copy functionality
- Optional rounding to nearest minute
- Quick reference conversion charts
- Show calculation steps
- Bulk converter for pasting columns
- Exact math using microseconds instead of floating-point
- Display total minutes and seconds for results
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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
| - All calculations run in your browser with no data uploaded
- Exact math using whole microseconds prevents floating-point errors
- Addresses the common timesheet mistake of reading 7.30 as 7:30
- No accounts or sign-up required
- Treats wrong results as bugs with automated test coverage
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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
Decimal to Time