Grade and Weighted Grade Calculator
Calculate weighted grade using grades and weights, then review the result and supporting breakdown.
Education & science toolsOpenEducation & science tools
Education and science tools
Calculate grades, study plans, science formulas, geometry, logic and learning resources.
20 focused tools
All toolsChoose a tool
GPA Calculator
Calculate gpa using courses, then review the result and supporting breakdown.
Education & science toolsOpenRequired Exam Score Calculator
Find required exam score using current grade, completed course weight, and target final grade, then review the result and supporting breakdown.
Education & science toolsOpenStudy Time Planner
Build a study schedule from total study hours, available days, rest days, start date and optionally weighted subjects.
Education & science toolsOpenFlashcard Maker
Create interactive flashcards from supplied question-and-answer or term-and-definition pairs.
Education & science toolsOpenQuiz Generator
Create quiz questions and answers from the supplied source material and generation settings.
Education & science toolsOpenWorksheet Generator
Generate worksheet using operation, questions, and maximum number.
Education & science toolsOpenCitation and Bibliography Generator
Generate citation using style, source type, author, title, publisher or website, year, and url.
Education & science toolsOpenInteractive Periodic Table
Search and explore chemical elements with atomic numbers, symbols and reference properties.
Education & science toolsOpenMolar Mass Calculator
Calculate molar mass using chemical formula, then review the result and supporting breakdown.
Education & science toolsOpenChemical Equation Balancer
Balance equation using reactants and products.
Education & science toolsOpenpH Calculator
Calculate ph using known value and value, then review the result and supporting breakdown.
Education & science toolsOpenOhm’s Law Calculator
Solve ohm’s law using voltage, current, and resistance, then review the result and supporting breakdown.
Education & science toolsOpenResistor Colour Code Calculator
Decode resistor using first band, second band, multiplier, and tolerance, then review the result and supporting breakdown.
Education & science toolsOpenElectrical Power Calculator
Calculate power using voltage, current, power factor, and hours used, then review the result and supporting breakdown.
Education & science toolsOpenGeometry Calculator
Calculate geometry using shape, dimension a, dimension b, and dimension c, then review the result and supporting breakdown.
Education & science toolsOpenTriangle Solver
Solve triangle using side a, side b, and side c.
Education & science toolsOpenGraphing Calculator
Draw graph using function y =, minimum x, and maximum x, then review the result and supporting breakdown.
Education & science toolsOpenTruth Table Generator
Generate truth table using expression.
Education & science toolsOpenBinary Logic Calculator
Calculate binary logic using binary a, binary b, and operation, then review the result and supporting breakdown.
Education & science toolsOpenWhat this category covers
Education and science tools support worked examples, conversions and structured study tasks. They are aids for checking a method and exploring inputs, not substitutes for showing required working in an assessment.
Recommended starting tools
- Scientific Calculator — Evaluate scientific calculator expressions and review the computed result in the browser.
How to choose
Choose a tool that exposes the relevant units or formula, keep significant figures appropriate and compare the result with a rough estimate.
Frequently asked questions
Why estimate before calculating?
A rough expected range makes unit mistakes and misplaced decimals easier to spot.
Do tools follow every course convention?
Notation, rounding and accepted methods can differ, so follow the requirements of the relevant course or examiner.