đź§® Test Grade Calculator

Live updates, adjustable grade scale, and a reference table for scores vs. percentages.

Set total items on the test.
Alternatively, fill “Number correct” instead.
If you type here, “Number wrong” will be auto-derived.
Display as:
Automatically updates from your inputs.
Edit thresholds (≥)
Affects the “Reference table” below.
Computed from the percentage and thresholds.
Pass/fail based on D- threshold.
Correct Wrong % Letter
Auto-generated for the current Total and Increment.

Reference sources: standard US grade ranges (commonly used).

More of our calculators...

Age Difference Calculator

Use our age difference calculator to find the exact age gap between two people in years, months, and days. Fast, accurate, and easy to use online.

All-in-one Home Loan Calculator

Estimate your home loan amount, monthly payment, escrow costs and APR in one simple mortgage calculator. Enter price, down payment and rate to see clear USD results.

Atom Calculator

Use our Atom Calculator to relate atomic number, mass number, charge, protons, neutrons and electrons. Fast, accurate, ideal for chemistry and physics.

Bikini Calculator

Use our bikini calculator to find your body shape, waist–hip ratio and curve ratio, then get bikini style ideas that flatter your figure.

Body Shape Calculator

Use our free body shape calculator to find your body type from bust, waist, high hip and hip plus waist–hip ratio. Quick, visual and easy.

Confidence Interval Calculator

Free online confidence interval calculator for mean and proportion. Enter sample data to get SE, margin of error and 95% or custom CI in seconds.

Dihybrid Cross (Punnett Square) Calculator

Instantly build a 4Ă—4 Punnett square for two traits, see genotype and phenotype probabilities with this interactive dihybrid cross calculator.

Dog Pregnancy (Due Date) Calculator

Use our dog pregnancy due date calculator to estimate whelping day from mating, ovulation, LH surge or diestrus. See safe whelping window, days remaining and progress.

Dog Size & Adult Weight Calculator

Estimate your dog’s adult weight in kg, lb, g or oz from age and current weight. Puppy size calculator with toy, small, medium, large & giant categories.