About
About (Русский) – The fastest, most accurate online grade calculator suite. Calculate course averages, final exam score requirements, weighted categories, and GPA on a 4.0 scale with 100% privacy.
О Нас – Калькулятор Оценок
At Grade Calculator (gradecalculator.dev), we empower students, educators, and parents worldwide with fast, transparent, and mathematically rigorous academic calculation tools. Calculating semester averages, final exam score targets, and cumulative GPA should never require confusing spreadsheets or ad-cluttered websites that lag on mobile devices.
Our suite of 15+ calculators is built on modern web standards to ensure instant client-side execution, 100% browser-based data privacy, and zero server storage of personal grades.
Mathematical Rigor
Every calculation formula—from weighted harmonic contributions to decimal quality points—is verified and tested against standard institutional benchmarks.
Privacy-First Architecture
We never store, transmit, or monetize your coursework grades. All calculations execute directly in your browser's JavaScript runtime.
Always Free & Accessible
No paywalls, no forced logins, and no intrusive popups. Built to conform to modern WCAG accessibility guidelines.
Academic Community & Updates
Follow Grade Calculator across our official community channels for study tips, grading insights, and calculator releases.
Стандартная Академическая Шкала Оценивания
Таблица перевода процентов, оценок и баллов 4.0 GPA.
Стандартная Академическая Шкала Оценивания
Шкала Оценивания| Буквенная Оценка | Диапазон Процентов | Средний Академический Балл (GPA) | Академический Статус |
|---|---|---|---|
| A+ | 97% – 100% | 4.0 | С Отличием |
| A | 93% – 96% | 4.0 | С Отличием |
| A- | 90% – 92% | 3.7 | С Отличием |
| B+ | 87% – 89% | 3.3 | Успешно Сдано |
| B | 83% – 86% | 3.0 | Успешно Сдано |
| B- | 80% – 82% | 2.7 | Успешно Сдано |
| C+ | 77% – 79% | 2.3 | Успешно Сдано |
| C | 73% – 76% | 2.0 | Успешно Сдано |
| C- | 70% – 72% | 1.7 | Успешно Сдано |
| D+ | 67% – 69% | 1.3 | Требует Улучшения |
| D | 63% – 66% | 1.0 | Требует Улучшения |
| D- | 60% – 62% | 0.7 | Требует Улучшения |
| F | < 60% | 0.0 | Требует Улучшения |
Популярные Калькуляторы
Инструменты для планирования семестра и отслеживания успеваемости.
Калькулятор Оценок
Calculate overall percentages, total points earned, and letter grades across all your coursework.
Калькулятор Итогового Экзамена
Find out the exact score needed on your final exam to pass the class or earn your desired letter grade.
Калькулятор Взвешенных Оценок
Compute course grade when assignments, quizzes, midterms, and finals carry distinct category percentages.
Калькулятор GPA 4.0
Calculate high school and college grade point averages with credit hour weighting.
Калькулятор Среднего Балла
Calculate the mathematical mean, median, highest, and lowest score across any set of grades.
Оценка Тестов и Контрольных
Instant grading chart and test score checker for students and teachers.