11 free tools for students

Your campus
toolkit.

GPA, final grades, student loans, sleep cycles, budget planner and more — everything you actually need, instantly.

11

Calculators

Free

Always

K–Uni

All levels

0

Quick tools — use instantly

🎓

GPA Calculator

📝

Final Grade

😴

Sleep Calculator

💰

Budget Planner

🔄

CGPA Converter

📐

Unit Converter

Academics🎓

GPA Calculator

Weighted & unweighted GPA across all your courses

Full page with guide →

Academics📝

Final Grade Needed

What score do you need on your final to pass?

Full page with guide →

Academics📅

Attendance Tracker

How many classes can you miss without failing?

Academics📚

Study Hours Planner

Hours needed per subject based on credits and difficulty

Finance💰

Student Budget Planner

Track income vs expenses with student-specific categories

Full page with guide →

Finance🏫

Student Loan Calculator

Monthly payments, total cost and payoff timeline

Full page with guide →

Finance💼

Part-Time Pay Calculator

Hours × rate − taxes = real take-home pay

Lifestyle😴

Sleep Calculator

Best wake-up times based on 90-min sleep cycles

Full page with guide →

Lifestyle☕

Caffeine Calculator

Safe daily limit, half-life and crash timing

Lifestyle🔄

CGPA Converter

CGPA ↔ %, % ↔ GPA, GPA ↔ % — all conversions

Lifestyle📐

Unit Converter

Length, weight, temperature and volume conversions

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🎓GPA Calculator

Course Name

Grade

Credits

Your GPA

—

Letter grade equivalent—

Total credit hours—

Quality points—

📝Final Grade Needed

Current Grade (%)

%

Desired Grade (%)

%

Final Exam Weight

%

Current Work Weight

%

Score Needed on Final

—

Current grade—

Target grade—

Feasibility—

📅Attendance Tracker

Total Classes

Min Attendance Required

%

Classes Attended So Far

Classes You Can Miss

—

Current attendance—

Min classes needed—

Status—

📚Study Hours Planner

Credit Hours

cr

Difficulty Level

Weeks in Semester

wks

Study Days Per Week

days

Daily Study Hours Needed

—

Total hours per semester—

Hours per week—

Study sessions/day (90 min)—

💰Student Budget Planner

📥 Monthly Income

📤 Monthly Expenses

Monthly Balance

—

Total income—

Total expenses—

Savings rate—

🏫Student Loan Calculator

Loan Amount ($)

Interest Rate

%/yr

Repayment Term

Monthly Payment

—

Total paid—

Total interest—

Interest as % of loan—

💼Part-Time Pay Calculator

Hourly Rate

$/hr

Hours Per Week

hrs

Estimated Tax Rate

Monthly Take-Home

—

Gross weekly pay—

Gross monthly pay—

Estimated tax (monthly)—

Annual take-home—

😴Sleep Calculator

I want to wake up at

Recommended bedtimes

Based on 90-min sleep cycles. Add ~15 min to fall asleep. 5–6 cycles (7.5–9 hrs) is ideal.

☕Caffeine Calculator

Your Weight

kg

Caffeine Consumed

mg

Consumed at (time)

Caffeine Status

—

Safe daily limit for you—

Half-life (50% gone at)—

Mostly gone by—

Safe to sleep at—

🔄CGPA Converter

Enter CGPA (out of 10)

Percentage

Enter a value above

Formula used—

Grade category—

📐Unit Converter

Category

From

To

Value

Result

Enter a value above

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