Grade Curve Calculator
Calculate curved grades based on a standard bell curve or linear adjustment. Input your raw scores and desired mean or curve parameters to see adjusted scores.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
Previous Results
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Frequently Asked Questions
A grade curve adjusts raw scores to achieve a desired distribution, often to compensate for a difficult exam or to standardize grades across different sections.
Linear adjustment adds or subtracts a constant to each score so that the new mean equals the target mean. The spread remains unchanged.
Bell curve normalization transforms scores so that the new mean and standard deviation match the target values, preserving the relative order of scores.
If all raw scores are identical, the standard deviation is zero. For bell curve normalization, all curved scores will be set to the target mean.
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