Grade Conversion Calculator

Grade Conversion Calculator is an easy online converter of your grades across different scales. Get instant, accurate results for GPA, percentages, and letter grades.
Grade Conversion Calculator

Converting grades between different systems sometimes can be complicated for students at any educational level seeking admission or reviewing school records or anyone in need of international grade conversions. Thankfully a Grade Conversion Calculator gives users an easy experience. The tool offers automated grade conversion service which generates your required formatting at once and streamlines your workflow. Try our Grade Conversion Calculator here and see how easy it can be!

For more ways to manage your grades, explore our full suite of tools like the Grade Calculator.

What is Grade Conversion Calculator?

A Grade Conversion Calculator is a free online tool that helps you convert grades from one system to another by percentages (e.g., 85/100) to letter grades (e.g., B+), or letter grades to a GPA on a 4.0 scale. It’s a must-have tool for students juggling multiple grading systems, such as when calculating your High School GPA or preparing for college applications.

Want to master GPA conversions? Our guide on How to Convert Your GPA to a 4.0 Scale walks you through the process step-by-step.

Why You Need a Grade Conversion Calculator

The process of manual grade conversion becomes time-consuming and prone to errors when dealing with weighted grades or semester average computation. The Grade Conversion Calculator functions as a valuable tool for these reasons:

  • Accuracy: Get precise results every time—no math mistakes!
  • Efficiency: Spend less time calculating and more time planning your next steps, like improving your Semester Grade Calculator results.
  • Flexibility: Perfect for high schoolers, college students, or anyone working with global standards.

Pair it with our GPA Calculator or College GPA Calculator to keep your academic goals on track. Need study strategies? Check out Tips for Preparing Your College Application.

How to Use the Grade Conversion Calculator

Our Grade Conversion Calculator is user-friendly and straightforward. Here’s how it works:

Step 1: Enter Your Grade: Simply input your current grade, whether as a percentage (e.g., 87/100) or a letter grade (e.g., B-).

Step 2: Automatic Conversion: No need to manually select a grading scale—the calculator instantly processes your input and displays the equivalent grade across multiple grading systems.

Step 3: View & Adjust: See your converted grade in real time! If needed, tweak your inputs to explore different grading scenarios and better understand your academic standing.

Example: You received a 75 out of 100 on an assignment. You want to know how this translates to a 4.0 GPA scale. By inputting 75/100 into the Grade Conversion Calculator, you’ll see that it converts to a 3.0 GPA automatically.

For more on calculating your overall performance, see How To Calculate Your Final Grade.

Common Grade Conversion Scales

Grading systems differ across schools and countries. Here’s a quick reference for common scales:

Grade (letter) 

Percentage Grade (% Scale) 

Numeric Grade (4.0 Scale) 

A+ 

97 - above 

4.33 - above 

93 - 96,99 

4.00 - 4.32 

A- 

90 - 92,99 

3.67 - 3.99 

B+ 

87 - 89,99 

3.33 - 3.66 

83 - 87,99 

3.00 - 3.32 

B- 

80 - 82,99 

2.67 - 2.99 

C+ 

77 - 79,99 

2.33 - 2.66 

73 - 76,99 

2.00 - 2.32 

C- 

70 - 72,99 

1.67 - 1.99 

D+ 

67 - 69,99 

1.33 - 1.66 

63 - 66,99 

1.00 - 1.32 

D- 

60 - 62,99 

0.67 - 0.99 

0 - 59,99 

0.00 - 0.66 

Note: Some schools adjust these ranges. For U.S.-specific details, read College Grading Scale in The U.S. Dealing with honors or AP classes? Our Guides on How to Calculate Weighted Grades has you covered.

Tips for Accurate Grade Conversion

To get the best results from your Grade Conversion Calculator, consider these tips:

How It Ties to Your Academic Goals

Converting grades isn’t just about numbers—it’s about clarity. A 4.0 GPA conversion can help you benchmark your College GPA against college requirements or set improvement goals for the next semester. Combine this tool with the Semester Grade Calculator to plan ahead and stay motivated.

For a broader view of your academic progress, try the Final Grade Calculator—it’s perfect for seeing the big picture.

Grade conversion doesn’t have to be a chore. With our Grade Conversion Calculator, you can switch between systems in seconds, freeing up time for what matters. It’s fast, accurate, and built for students like you. Ready to take control? Start converting your grades today with our Grade Conversion Calculator!

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