All student tools
Every calculator, planner and utility in StudentKit — free, instant and private. Filter by category or search for exactly what you need.
43 tools
GPA Calculator
Calculate your semester GPA by credit hours and letter grades. Supports 4.0 and 4.3 scales with instant, accurate results.
Percentage Calculator
Free percentage calculator: what percent is X of Y, what is X% of Y, and percentage change — three modes, instant answers.
CGPA Calculator
Calculate your cumulative GPA (CGPA) by combining previous semesters with your current courses. See exactly how this term moves your overall average.
Attendance Calculator
Calculate your attendance percentage instantly. Enter classes attended and total classes, compare against a 75% (or custom) requirement, see how many you can miss.
Grade Calculator
Average your assignment and exam scores to find your current course grade. Points-based method with letter grade and instant results.
Word Counter
Count words, characters, sentences and paragraphs as you type. Includes reading time, speaking time and top keywords. Free, instant, private.
Required Grade Calculator
What score do you need on the final exam to pass or reach a target grade? Enter your current grade and the final's weight — get the answer instantly.
Date Difference Calculator
Days between two dates — instantly. Exact days, weeks, months and years between any two dates, plus total hours and minutes. Free and private.
Study Planner
Build a fair, realistic study schedule for your exams. Rank your subjects by priority and confidence — get a day-by-day plan instantly.
Ohm's Law Calculator
Solve V = IR instantly. Enter any two of voltage, current and resistance — get the third plus power dissipation. Supports k, M, m, µ and n prefixes.
Exam Countdown
Live countdown to your next exam. Pick a date and name — see days, hours, minutes and seconds ticking down, with a shareable result.
Unit Converter
Convert 90+ units across length, mass, temperature, area, volume, time, speed, energy, power, pressure, frequency and electrical units. Instant, accurate, free.
Final Grade Calculator
Predict your final course grade. Enter your current grade, the final's weight, and the score you expect — see the outcome before you sit the exam.
Resume Builder
Build a clean, ATS-friendly resume: add education, experience, projects and skills; reorder sections; preview, print or save as PDF. Drafts saved on your device.
Scientific Calculator
A fast scientific calculator in your browser: trigonometry, logarithms, powers, constants and brackets — with full keyboard support and an expression history.
Weighted Grade Calculator
Calculate your grade when course components have different weights — homework 20%, midterm 30%, final 50%. Enter scores and weights, get your weighted average.
Pomodoro Timer
A clean, distraction-free Pomodoro timer: 25-minute focus sessions with short and long breaks, session tracking and sound alerts — right in your browser.
Class Attendance Planner
Plan ahead: how many of the remaining classes must you attend to stay above a target attendance? Enter what's happened so far and the classes left.
Student Budget Calculator
Build a monthly student budget: income vs tuition, rent, food, transport and more. See savings, spending breakdown and where the money actually goes.
GPA Conversion Tool
Convert between percentage, 10-point and 4.0 GPA scales using common conversion rules. Approximations — always confirm with the receiving university.
Assignment Deadline Tracker
Track every assignment deadline in one view: overdue, due today, due soon and upcoming — with priority sorting. Saved on your device.
Semester GPA Planner
Plan your target CGPA. Tell us where you are, where you want to be, and how many credits remain — get the exact GPA needed.
IELTS Band Calculator
Estimate your IELTS overall band — or convert raw marks (out of 40) to a band for Listening and Reading. Official half-band rounding.
JSON Formatter
Pretty-print, minify and validate JSON instantly in your browser. Clear error messages with line and column hints. Nothing you paste is sent anywhere.
Cover Letter Generator
Generate a structured cover letter draft from your details and the job description. A fill-in template with smart placeholders — personalize before sending.
Base64 Encoder / Decoder
Encode or decode Base64 text instantly in your browser. Full UTF-8 (unicode) support, copy-ready output, zero data leaves your device.
Loan Calculator
Estimate monthly payments, total interest and full amortization for student or personal loans. Try different terms to see the real cost of borrowing.
Internship Application Tracker
Track internship applications, statuses and follow-ups in one board: applied, interview, offer or rejected — with days-since-last-update reminders.
Study Time Calculator
How much study time do you really have? Enter your exam date, subjects and daily hours — get total hours, per-subject hours and weekly sessions.
Savings Calculator
See how your savings grow: initial deposit, monthly contributions and compound interest over time. Monthly or yearly compounding, with interest earned shown clearly.
Revision Planner
Turn your subjects into a spaced revision schedule before exams: sessions are spread evenly across your remaining days with every topic repeated regularly.
Resistor Calculator
Decode 4-band and 5-band resistor color codes instantly — value, tolerance and range. Includes a color guide for lab work.
Habit Tracker
Build study and life habits with streaks: check off each day, watch your current and longest streaks grow. Saved on your device.
Skills Gap Checklist
Quick self-audit of the skills employers look for in new graduates. Check what you have, see your gaps, get honest next steps for each.
Voltage Divider Calculator
Calculate Vout for any resistor divider, or design one: find R2 for a target output voltage. Includes divider ratio and circuit current.
Flashcard Tool
Create flashcard decks and study them with a simple know/don't-know flow. Decks save to your device — no account, no uploads.
University Application Deadline Tracker
Track application deadlines for multiple universities with countdowns, requirement checklists and status stages — so no application slips through.
Time Zone Converter
Convert times between 30+ world time zones with daylight-saving-safe math. Schedule international calls, lectures and deadlines without the confusion.
Power Calculator
Calculate electrical power from any two of voltage, current and resistance (P = VI). Instant watts with unit-prefix support for lab values.
Scholarship Tracker
Keep scholarship applications, documents and deadlines organized: track each scholarship's deadline, requirements, status and required documents in one place.
Reading Time Calculator
How long does a text take to read? Estimate reading and speaking time for any text, with adjustable reading speed. Perfect for presentations and study planning.
Electrical Energy Calculator
Convert electrical power and time into energy: joules, kilowatt-hours and electricity cost. Perfect for lab reports and understanding power bills.
Random Study Topic Picker
Can't decide what to revise? Add your topics with priority weights and let the picker choose — weighted so important subjects get picked more often.
Looking for something specific? The directory covers 12 categories — from academic calculators and study planning to career and programming tools. Every tool works instantly in your browser with no account required.