Final Grade Calculator

Compute your final letter grade from a list of weighted assignment scores.

Inputs

Weights should sum to 100.

Result

Final grade
87.30% (B+)
  • Weighted sum87.30
  • Total weight100.0%
  • Final %87.30
  • LetterB+
  • Rows parsed5

Step-by-step

  1. Σ (weight × score) / Σ weight = 87.30 / 1.000 = 87.30%.
  2. Letter from US-standard grading bands.

How to use this calculator

  • Enter assignments one per line: weight % then score %.
  • Read your final percent and letter.

About this calculator

Compute your final percentage from a list of weighted assignments. Standard US letter-grade bands: A 93+, A- 90-92, B+ 87-89, B 83-86, etc. Watch the warning if your weights don't sum to 100% — it usually means a missing or duplicated entry.

Frequently asked

Letter-grade bands vary by school. The 93/90/87/... bands are common; others use 94/90/87 or 90/85/80. Adjust mentally if needed.

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