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Free weighted to unweighted GPA converter for students comparing honors-weighted records to a standard 4.0-style view. Enter your weighted cumulative GPA and scale tops to get a linear mapped estimate—alongside our education and GPA calculators.
Last updated: April 17, 2026
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This is a scale map, not a transcript rebuild. Colleges may recompute unweighted GPA from courses; use official tools when they provide them.
Approximate unweighted GPA
3.32
Scale ratio: ×0.8 (multiply weighted GPA by this ratio)
Best for
Quick comparisons
When you know your cumulative weighted GPA and both scale caps from your school profile.
Coverage
Typical U.S. high schools
Pick the cap that matches your transcript legend, or enter a custom maximum.
Flexibility
Adjustable output cap
Some planning worksheets reference a different unweighted ceiling than 4.0.
Stability
Bounded inputs
Prevents impossible conversions when a cumulative number is mistyped above the scale.
Teaching aid
Explain rescaling
Counselors can show students exactly why numbers move when the scale top changes.
Reminder
Official recomputation
Use weighted and unweighted GPA calculators with course rows for admissions-grade accuracy.
Weighted GPA 4.15 on a 5.0 weighted top mapped to a 4.0 unweighted top:
Approx. unweighted
3.32
Scale ratio
×0.8
The converter applies a single multiplier equal to your unweighted scale maximum divided by your weighted scale maximum. Your weighted GPA is clamped to the weighted top, multiplied by that ratio, then clamped to the unweighted top. This is the same proportional rescaling idea used when comparing different GPA scales in our weighted GPA calculator discussions—expressed as a one-step conversion when only cumulative numbers are available.
Unweighted ≈ Weighted GPA × (Unweighted max ÷ Weighted max)Example: 4.2 on a 5.0 weighted top maps to 4.2 × (4.0 ÷ 5.0) = 3.36 on a 4.0 unweighted top before final clamping.
Unweighted max ÷ Weighted max = 4.0 ÷ 6.0 = 0.6667
Result: approximate unweighted GPA ≈ 3.20
A wider weighted top (6.0) means each point of weighted GPA represents a smaller slice of the unweighted 4.0 range than on a 5.0 top.
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