About Sbqir.top

Sbqir.top is a free, browser-based toolkit built specifically for students. Every calculator and tool runs entirely in your browser — no data is ever sent to a server, no account is required, and there are no subscriptions.

Why We Built This

Being a student means juggling a lot of numbers. GPAs, grade calculations, loan payments, calorie tracking, sleep schedules, study timers — the list goes on. Most of these calculations are straightforward but tedious to do by hand. We built Sbqir.top to handle the math so you can focus on what actually matters: learning.

Who Is It For?

• High school students calculating GPAs and preparing for college
• College and university students managing grades, loans, and study schedules
• Graduate students writing papers and managing citations
• Teachers and tutors who need quick reference calculations
• Anyone who needs a quick, reliable calculator for everyday tasks

How It Works

Every tool on this site uses JavaScript to perform calculations directly in your browser. Your inputs are never transmitted to any server. This means your data stays completely private, and the tools work even without an internet connection once the page has loaded.

Our Tools (29 calculators)

• Grades (3 tools): GPA Calculator, Grade Calculator, Notes to Grade Converter
• Math (7 tools): Percentage, Unit Converter, GCD & LCM, Quadratic Solver, Binary Converter, Slope-Intercept, Mean Median Mode
• Finance (4 tools): Loan Calculator, Compound Interest, Discount Calculator, Fuel Cost
• Health (4 tools): BMI, Calorie Calculator, Water Intake, Sleep Calculator
• Productivity (4 tools): Pomodoro Timer, Typing Speed Test, Study Schedule Planner, Password Generator
• Writing (2 tools): Word Counter, Citation Generator
• General (5 tools): Age Calculator, Tip Calculator, Date Difference, Random Number, Time Zone Converter

Have a suggestion for a new tool? Visit our contact page and let us know.