Online Free Calculator – Percentage, Age & GPA

Fast, Free, and Accurate Calculations | Mobile-Friendly

Daily Percentage Calculator Online

Quickly solve all your percent-related math problems with the Daily Percentage Calculator. Whether you need to find an amount, calculate a percentage increase, or determine a discount, this free online tool provides instant, accurate results for students and professionals.

How to use the Percentage Calculator:

  1. Select your Calculation Mode (e.g., Increase/Decrease).
  2. Enter your primary values in the input boxes.
  3. Click Calculate to see the detailed breakdown instantly.
Result

Online Age Calculator By Date of Birth

Discover your exact biological age with the Online Age Calculator. Simply input your birth date to find out exactly how many years, months, and days you have lived. Our precise algorithm also calculates your zodiac sign and the countdown to your next big celebration.

How to use the Age Calculator:

  1. Select your Date of Birth from the calendar picker.
  2. Click Calculate Age to generate your detailed report.
  3. View your age in years, months, and even total days lived.
Your Age

College GPA Calculator (4.0 Scale)

Stay on top of your academic performance with the College GPA Calculator. Designed for the standard 4.0 grading system, this tool helps students accurately compute their semester grade point average based on credits and letter grades.

How to use the GPA Calculator:

  1. Enter your course name and select the Letter Grade received.
  2. Input the Credit Hours for each specific course.
  3. Add more rows for additional courses and hit Calculate GPA.
Your GPA

Frequently Asked Questions

How do I calculate percentage of a number?

To calculate a percentage of a number, select "What is X of Y%?" mode in the percentage calculator online, enter the percentage value and the number, then click Calculate.
For example, to find 20 of 100%, enter 20 and 100, and the result will be 20.

How accurate is the age calculator by date of birth?

Age calculator by date of birth is 100% accurate. It calculates your exact age in years, months, and days from your birth date to today's date. It also shows your zodiac sign, total days lived, and countdown to your next birthday.

How is college GPA calculated on a 4.0 scale?

GPA calculator college uses the standard 4.0 scale where A=4.0, A-=3.7, B+=3.3, B=3.0, B-=2.7, C+=2.3, C=2.0, C-=1.7, D+=1.3, D=1.0, and F=0.0. To calculate GPA, multiply each course's grade points by its credit hours, sum all values, and divide by total credit hours.

Is this online calculator free to use?

Yes! online dailypercentagecalculator.com is completely free to use with no registration required. Calculate percentages easily, find your exact age, and compute your GPA without any cost. All core features are available for free.

Does the calculator work on mobile devices?

Absolutely! dailypercentagecalculator.com calculator is mobile-friendly and responsive. Whether you're on a smartphone, tablet, or desktop, you can calculate percentages easily, check your age, or compute your GPA with the same fast and accurate results.

How do I calculate percentage increase or decrease?

Select "Percentage increase/decrease" mode in the percentage calculator online. Enter the original value (From) and the new value (To). The calculator will show whether it's an increase or decrease and by what percentage. For example, from 100 to 120 is a 20% increase.

What is 20 percent of 100?

Using our free percentage calculator, 20% of 100 equals 20. To calculate this yourself, multiply 100 by 0.20 (which is 20 divided by 100). Our calculator makes these calculations instant and accurate.

Can I use this percentage calculator for daily calculations?

Yes! dailypercentagecalculator.com free daily percentage calculator is perfect for everyday use. Whether you're calculating discounts while shopping, determining tips at restaurants, analyzing sales data, or working on homework assignments, our tool provides fast and accurate results.

Is the percentage calculator free to use every day?

Absolutely! dailypercentagecalculator.com percentage calculator is completely free with no limits on usage. You can use it as many times as you need, every day, without any registration or subscription required.

Privacy & Security

Your Privacy Matters: We respect your privacy. This calculator does not store, transmit, or collect any personal data. All calculations are performed locally in your browser.

  • ✓ No registration or login required
  • ✓ No personal data collected or stored
  • ✓ All calculations happen in your browser
  • ✓ HTTPS encrypted connection (when hosted)
  • ✓ No tracking cookies for core features