Final Grade Calculator

1. Enter your current grade in the class, before the final.
2. Enter the final exam weight as a percentage of your overall grade.
3. Enter your target overall grade.
4. Read the score you need on the final, plus your best and worst possible outcomes.

Here is what each result means:

A final grade calculator works backward from the grade you want. Instead of telling you your current grade, it tells you the score you must earn on the final exam to finish the class at a target grade. It answers the question students ask most before finals week.

It assumes the rest of your grade is already fixed and the final carries a set weight. From those, it solves for the one unknown: the final exam score you need. That makes it easy to see whether an A is still in reach or whether you only need to pass.

It rearranges the weighted-grade formula to solve for the final score.

1. Work out how much of your grade is already set: current grade times one minus the final weight.
2. Subtract that from your target to see how much the final must supply.
3. Divide by the final weight to get the score you need.

To find your current grade first, use the grade calculator, then bring it here.

Suppose your current grade is 88%, the final is worth 20%, and you want a 90%.

Calculation: the set part is 88 x 0.8 = 70.4. The final must supply 90 - 70.4 = 19.6 points out of its 20 percent weight, so needed = 19.6 / 0.2 = 98%. If you score 100 on the final your overall is 90.4 percent; if you skip it, 70.4 percent.

With an 88 percent going in, here is the final score needed for common targets and weights.

The heavier the final, the more it can move your grade, up or down.

These measure different things, and the calculator connects them.

Enter the first two pieces you can control and the tool shows what the third must be.

The Final Weight

The biggest factor. A heavier final means a lower score can still reach your target, and a lighter final means you need a higher score.

Your Current Grade

A higher current grade lowers the score you need, sometimes to zero.

How High You Aim

Chasing an A needs a higher final score than simply passing.

Before Finals Week

See exactly what you need so you can plan your study time.

Deciding Where to Focus

Compare classes and put more hours into the final that still matters.

Managing Expectations

Find out early if a target is out of reach so you can reset it.

1. Using the Wrong Final Weight

Read your syllabus. A 20 percent final is very different from a 40 percent one.

2. Confusing Current Grade with Target

The current grade is where you are; the target is where you want to end up.

3. Forgetting the Final Can Be Above 100 Percent Needed

If the score needed exceeds 100, the target is not reachable through the final alone.

4. Ignoring Extra Credit

If your class offers extra credit, your real requirement may be lower than the base formula shows.

5. Mixing Points and Percentages

Keep everything in percentages, or convert first, so the weights line up.

The solve is exact for a fixed-weight final, but grading schemes can be more complex.

Enter your current grade, the final weight and your passing target, and the tool solves it. For example, with an 88 percent and a 20 percent final, you already pass even with a 0 on the final.

Your overall becomes your current grade times one minus the final weight. The calculator shows this as the skip-the-final figure so you can see your floor.

Check your syllabus. A final is usually 10 to 40 percent of the grade, and the weight strongly affects the score you need.

Enter your target as the A cut-off. If the score needed is at or below 100, an A is reachable; if it is above 100, it is not possible through the final alone.

Needed equals target minus current times one minus the final weight, all divided by the final weight. This tool applies it for you.

No. If your class offers extra credit, your real requirement may be lower, so treat the result as the score needed without it.

This tool assumes a single final weight. If several exams share a weighted category, calculate the category first, then use its combined weight here.

It depends. A heavier final helps if you expect to score well and hurts if you do not, because it moves your grade more in either direction.

No. The calculation runs entirely in your browser and nothing you enter is stored or sent anywhere, unless you choose Save, which keeps the result only in this browser.

• Academic grading in the United States (Wikipedia, grade weighting).
• Weighted mean explained (Maths Is Fun).
• Percentage basics (Maths Is Fun).