GPA Scale Converter

Convert GPA between 4.0, 5.0, 10-point, and percentage scales. Essential for international students and transcript evaluations.

4.0 Scale
3.50
5.0 Scale
4.38
10-Point Scale
8.75
Percentage
87.5%
Letter Grade
B+
US standard
Planning notes, formulas, and examples

About the GPA Scale Converter

Different countries and institutions use different GPA scales. The US standard is 4.0, but many high schools use 5.0 (weighted), Indian universities use a 10-point scale, and some systems use straight percentages. This converter translates between all four common scales so you can compare academic performance across systems.

Whether you're an international student applying to US universities, a US student applying abroad, or a registrar's office evaluating transcripts, this calculator provides cross-scale conversion in one worksheet. Enter your GPA on any of the four scales and see the equivalent on all others.

The conversions use standard linear mapping, which is the approach most commonly used by credential evaluation services like WES and ECE. While individual institutions may use different conversion tables, these mappings provide a reliable baseline.

When This Page Helps

A 7.5 on a 10-point scale might seem low to someone used to the 4.0 system, but it's actually equivalent to about 3.0 — a solid B. Without a converter, these cross-scale comparisons are confusing. This converter makes them easier to compare and explain.

How to Use the Inputs

  1. Select the scale your current GPA is on (4.0, 5.0, 10-point, or percentage).
  2. Enter your GPA value.
  3. The calculator converts to all four scales simultaneously.
  4. Review the equivalent letter grade for quick reference.
  5. Use the converted values for applications and transcript evaluations.
Formula used
Linear conversion formulas: 4.0 to percentage: (GPA / 4.0) × 100 4.0 to 10-point: (GPA / 4.0) × 10 4.0 to 5.0: (GPA / 4.0) × 5 Reverse: Percentage to 4.0: (pct / 100) × 4.0

Example Calculation

Result: 5.0 scale: 4.38, 10-point: 8.75, Percentage: 87.5%

A 3.5 on the 4.0 scale converts to 87.5% (3.5/4.0×100), 8.75 on a 10-point scale (3.5/4.0×10), and 4.38 on a 5.0 scale (3.5/4.0×5). These are all equivalent representations of the same academic performance.

Tips & Best Practices

  • These are linear approximations. Some institutions use non-linear conversion tables.
  • Credential evaluation services (WES, ECE) may produce slightly different results.
  • When applying to programs abroad, ask which conversion method they prefer.
  • Indian percentage-to-4.0 conversions vary by university — verify with the specific institution.
  • German grades (1.0–5.0) use an inverted scale and require specialized conversion.
  • Always confirm the target institution's preferred conversion method.

Global GPA Systems

The 4.0 scale dominates in the US and Canada. India commonly uses a 10-point or percentage system. Germany grades on a 1.0 (best) to 5.0 (worst) scale — inverted from what Americans expect. The UK uses classifications (First, 2:1, 2:2, Third) rather than numeric GPA. Understanding these differences is essential for international education.

Linear vs. Non-Linear Conversion

This calculator uses linear mapping (proportional scaling), which is the simplest and most commonly used approach. Some institutions use non-linear tables where, for example, 90–100% maps to 4.0, 80–89% to 3.0–3.9, etc. These produce different results, especially at the extremes.

When to Use Professional Evaluation

For official purposes like graduate admissions or immigration, professional credential evaluation from organizations like WES or ECE is recommended. They evaluate course-by-course and account for institution-specific grading norms. This converter is best for personal planning and quick reference.

Sources & Methodology

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Frequently Asked Questions

  • Divide by 10, then multiply by 4. For example, 8.5 on a 10-point scale = (8.5/10)×4.0 = 3.4 on the 4.0 scale. This linear method is widely accepted.