Education calculators

GPA, grades, and reading level tools — everything runs locally in your browser.

Scientific Calculator Online

Full-featured scientific calculator with trigonometry, logarithms, exponents, and expression history.

Graph Calculator — Plot Functions

Plot mathematical functions on an interactive graph. Supports multiple equations, zoom, pan, and real-time updates.

Algebra Calculator — Solve & Simplify

Simplify expressions, factor polynomials, solve equations, and compute derivatives. Renders math with LaTeX.

Percentage Calculator Online

Calculate percentages, increases, decreases, proportions, and find original values before percentage changes. 9 calculation types.

GPA Calculator — 4.0 Scale

Calculate GPA from letter grades and credit hours on a 4.0 scale. Add courses and see weighted GPA instantly.

Grade Calculator — Weighted Average

Calculate weighted course grade from assignment scores and weights. See your overall percentage instantly.

Final Grade Calculator — Score Needed

Calculate the final exam score you need to reach your target course grade. Enter current grade and final weight.

Reading Level Calculator — Flesch-Kincaid

Estimate reading grade level with Flesch-Kincaid. Paste text to see grade level, reading ease, and word count.

Citation Generator — APA & MLA

Citation Generator — APA & MLA. Free, instant, runs in your browser.

Flashcard Formatter — Q&A to Markdown

Flashcard Formatter — Q&A to Markdown. Free, instant, runs in your browser.

APA to MLA Citation Converter

APA to MLA Citation Converter. Free, instant, runs in your browser.

Roman Numeral Converter

Roman Numeral Converter. Free, instant, runs in your browser.

About these education calculators

Students and teachers need quick answers — weighted GPA, course grades, what score you need on the final, or the reading level of a passage. These calculators run instantly in your browser.

What you can calculate

Use the GPA calculator on a 4.0 scale, the grade calculator for weighted assignments, the final grade calculator to plan exam prep, and the reading level calculator for Flesch-Kincaid estimates.

Privacy

Grades and text never leave your device.