Calculadora de nota de examen

Quickly grade a test: enter the number of questions and how many were answered incorrectly to get the percentage score, letter grade and a full score chart. Handy for teachers.

Puntuación

85 %

Nota en letra: B
Respuestas correctas: 34
Puntos por pregunta: 2,5

Tabla de puntuaciones

Falladas	Correctas	Puntuación	Nota en letra
0	40	100 %	A+
1	39	97,5 %	A+
2	38	95 %	A
3	37	92,5 %	A-
4	36	90 %	A-
5	35	87,5 %	B+
6	34	85 %	B
7	33	82,5 %	B-
8	32	80 %	B-
9	31	77,5 %	C+
10	30	75 %	C
11	29	72,5 %	C-
12	28	70 %	C-
13	27	67,5 %	D+
14	26	65 %	D

La guía de abajo aún no está disponible en español y se muestra en inglés. La calculadora está totalmente traducida.

Cómo usar esta calculadora

Enter the total number of questions (assuming each is worth the same).
Enter the number wrong.
Use the chart to grade a whole class quickly.

Fórmula

With equally weighted questions, the score is the share answered correctly.

Score % = (total − wrong) / total × 100

Each question is worth 100 / total percentage points

Example

40 questions, 6 wrong → 34 correct.
34 / 40 = 85%, a B on the common US scale.
Each question is worth 2.5 points.

Preguntas frecuentes

What if questions have different point values?

Use the percentage grade calculator with points earned and points possible instead.

How is the letter grade assigned?

With the common US scale (A 93+, A− 90+, B+ 87+, …, F below 60). Your school's scale may differ.

Can I print the score chart?

Yes. Use Print in the results, or download the chart as a CSV file.