Calculadora de Nota por Semestre
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
sem = (B1 + B2 + B3) / 3
About this calculator
The Semester Grade Calculator is a simple tool that computes the average of grades from the three bimesters or trimesters that make up a semester. Simply enter the grades obtained in each period (B1, B2, B3) and the calculator automatically provides the semester average. The calculation uses the formula: (B1 + B2 + B3) / 3.
This calculator is useful for elementary, middle, high school, or college students who need to track their performance throughout the semester. For example, a student can check if their average meets the passing requirement, or a teacher can use it to quickly calculate class averages. It is a practical tool for study planning.
Important precautions: ensure that the grades entered are on the same scale (e.g., 0 to 10). The calculator assumes equal weights for each bimester; if your institution uses different weights, this calculation will not be accurate. Also, the semester average may not be the only criterion for passing, which may include final exam scores or assignments.
The tool is free and online, requiring no registration. Ideal for quick use on any device with internet access. Remember that the calculator only provides a simple arithmetic mean; for weighted averages, a different calculation is needed.
Frequently asked questions
Do I need to enter the grades in a specific order?
No, the order does not matter, as the average is the sum divided by 3. Just make sure to enter the correct grades for each bimester.
What if my semester has more than 3 bimesters?
This calculator is designed for 3 periods. If your semester has 4 bimesters, use a general average calculator or adapt the formula manually.
Does the calculator handle decimal grades?
Yes, you can enter grades with a comma or decimal point. The result will be displayed with up to two decimal places.
Can I use this calculator for final exam grades?
It is specific for bimester averages. For final exams, use the final grade calculator that considers different weights.
What if the average is below the passing grade?
The calculator only provides the average; check with your institution for passing criteria, which may include recovery or final exam.