You got 28 out of 30 on the essay and your course outline says that essay is worth 15% of your grade. So what’s that actually worth — and what does it leave you to do on the rest of the course?
That’s the whole job of this tool. Three numbers in: points earned, points possible, and the assignment’s weight. Out comes the percentage, the points that assignment adds to your final course grade, and — if you set a target — the percentage you need on everything that’s left. It’s the honest math your gradebook does behind the scenes, without the spreadsheet.
One assignment at a time is the point. If you want to blend a whole semester of scores by their weights, the weighted grade calculator does that. This one answers a narrower question: what is this one assignment currently doing to my grade?
One assignment, marked and weighted. This tells you what percentage you scored, how many points that assignment actually adds to your final course grade, and what you need on everything that’s left to hit your target.
The formula
Assignment % = points earned ÷ points possible × 100
Contribution = Assignment % × weight ÷ 100
Needed on remaining = (target − contribution) ÷ (100 − weight) × 100
The first line is the score you can quote to people. The second is what matters: an assignment worth 15% of a course, scored at 93.3%, puts 14 points into your final grade — not 93.3 points, not 15 points. The third line assumes everything you haven’t done yet is the remaining (100 − weight)% of the course, and works backwards from your target. If the answer is over 100, the target is gone this term; the tool tells you the ceiling instead.
Worked example
Say that essay: 28/30, worth 15%, and you want to finish the course at 80.
- 28 ÷ 30 = 93.3% on the essay
- 93.3% × 15% = 14 points of your final course grade
- You need (80 − 14) ÷ (100 − 15) = 66 ÷ 85 = 77.6% on everything else
Read that last line out loud and it makes sense: 14 of your 80 target points are already banked, and there’s 85% of the course still to mark, so you need 77.6% of that remaining 85% to land the 80. Strictly achievable, but it keeps you honest about the quizzes and the final.
Why “14 points” and not “14 percent of my course”
They’re the same thing — points and percentage points are interchangeable on a 100-point course. The wording helps you feel the weight. A 93.3% essay sounds exciting; the 14 points it adds to a course where you’re trying to keep an 80 sounds like what it is: a solid slice, not the whole pie. And it explains why missing one big weighted assignment hurts more than grinding out a bunch of tiny ones — high weight, low score, big hole.
Frequently asked questions
How is this different from the weighted grade calculator?
The weighted calculator blends many scores at once — every assignment and quiz and exam with its weight — and hands back your overall course percentage. This one takes a single assignment and shows its contribution, then tells you what the untouched remainder demands for a target. Start with the weighted tool for the big picture, drop into this one when one specific grade needs explaining.
What if my assignment doesn’t have a weight?
Leave the weight blank and it treats the assignment as worth 100% — effectively the whole course. That’s only useful if the course is literally one big piece of work. Otherwise, weight is what makes the number meaningful, so get it from the course outline.
What about extra credit or late penalties?
This tool doesn’t model them, on purpose. If your rubric adds bonus points or docks for lateness, adjust the “points earned” before you hit the calculator — earned + extra, or earned − the penalty. The three formulas above stay the same.
Isn’t “what I need on the rest” the final grade calculator’s job?
Close cousin, different input. The final grade calculator asks for your current course grade and one final exam’s weight. Here you feed a single marked assignment and its weight, and the “needed on remaining” treats everything still ungraded — quizzes, midterm, final, all of it — as one pool. If your situation is literally “one final exam left”, that tool fits better.
Can I get a GPA out of this?
No — an assignment score isn’t a course grade, and GPA is built from course grades plus credits. Once the term ends and you have course percentages, the GPA calculator or one of the country tools takes over.
Other tools
- Weighted Grade Calculator — blend a full course’s scores by weight
- Final Grade Calculator — the final score you need to hit your target
- Grade Percentage Calculator — any single score into a percentage
- Percentage to GPA Converter — that percentage into GPA points
- Pass/Fail Calculator — see what a P or F does to credits and GPA
- GPA Calculator — course grades into a term GPA
- Cumulative GPA Calculator — semesters into an overall GPA
- Ontario GPA Calculator — percentage grades into a GPA on Ontario 4.0/4.3 scales
- ECTS GPA Calculator — European module marks to ECTS letters and an estimated US GPA
Or browse everything on the student GPA tools page.