Grade Calculator

That's expected mid-semester, and the calculator handles it by dividing your earned points by the weight graded so far rather than by a full 100%. This gives an accurate snapshot of your current standing on the work that's actually been scored. For example, if you've completed assignments worth 60% of the course and are averaging 85% across them, your current grade is 85% — not 51%. The remaining 40% (often the final, plus any ungraded projects) hasn't been counted yet and will move your grade up or down once entered. Treat this number as provisional: it can shift meaningfully as heavily weighted items are graded, so keep updating it as scores come in.

Required score = (Target − Current × (1 − Final Weight)) ÷ Final Weight. In plain terms, your non-final work already locks in part of your grade; subtract that from your target, then divide the gap by the final's weight to see what the exam must deliver. Say you have an 82% going into a final worth 30% and you want a 90% overall: (90 − 82 × 0.70) ÷ 0.30 = (90 − 57.4) ÷ 0.30 = 108.7%. Since that exceeds 100%, a 90% isn't reachable on the final alone without extra credit or a curve. A lower target — or a final worth more — produces a more achievable number, so use the calculator to test what's realistic before exam week.

Usually no, but the math tells you when the trade is even close. Each item's effect on your grade equals its weight times the score swing. If a homework is worth 2% of the course, scoring 0% instead of 100% costs you just 2 percentage points; meanwhile, raising a 40%-weighted final by 10 points adds 4 points to your grade. On paper, the swap looks favorable. In practice it rarely is: low-stakes homework usually builds the exact skills the final tests, so skipping it can lower your exam score by more than the 2 points you saved. Reserve this tactic for genuinely low-value busywork, and run both scenarios in the calculator first to see the real point difference.

Calculate as if there's no curve, then treat any curve as a bonus. Curves vary too much to predict reliably, and assuming the worst keeps your target safe. Common methods include adding a flat number of points to everyone's score, shifting the letter-grade cutoffs downward (so an 85% earns an A), or ranking students on a bell curve where your grade depends on the class distribution rather than a fixed percentage. Each changes your required score differently, and many instructors decide only after seeing how the class performed. If your syllabus states a specific curve policy, you can lower your target accordingly — but until it's confirmed, plan against the raw scale so a missing curve doesn't catch you short.

Use the midpoint of each letter's percentage range so the conversion isn't biased high or low. On a common plus/minus scale that gives roughly A = 95%, A- = 91.5%, B+ = 88%, B = 85%, B- = 81.5%, and so on down the scale. The midpoint matters because letters cover a band of percentages, and picking the top of each band would inflate your average. Bear in mind these values are approximate: the exact percentage behind each letter depends on your school's cutoffs, which differ between institutions and sometimes between professors. When you select letter-grade mode, the calculator applies standard midpoints automatically, but if your syllabus lists specific percentage equivalents, enter those for the most accurate result.