GPA converter

About This Tool

The GPA converter computes an equivalent GPA on a target scale from a provided current GPA and scale maxima. It solves scenarios where institutions use different grade maxima, such as transferring between universities or applying to programs abroad. Target audience includes students, counselors, and admissions reviewers who require a consistent basis for cross-system comparison. It assumes the GPA is a decimal on the current scale and that the maxima for both scales are known.
Conceptually, the converter applies a linear mapping: target_gpa = current_gpa × (target_scale_max / current_scale_max). For example, 3.25 on a 4.0 scale maps to 3.25 × 4.3/4.0 ≈ 3.49 on a 4.3 scale. The approach remains valid for any positive maxima and supports optional rounding to a chosen decimal precision.
Inputs include current_gpa (numeric), current_scale_max (positive numeric), target_scale_max (positive numeric), and total_credits (positive numeric used for validation). Optional rounding_precision (non-negative integer) controls decimal places of output. Outputs provide gpa_target on the target scale, along with the applied scale maxima and a validity status. Results can be formatted to fixed decimals if requested.
Core value lies in enabling fast, auditable credential comparisons with minimal manual calculation. It supports common transfer scenarios, program admissions, and scholarship reviews, reducing errors and saving time. While designed for numeric GPAs, it does not handle weighted GPAs, letter-grade translations, or transcript-level adjustments; in those cases, separate normalization would be required.

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