Student Tools
Quick calculators for GPA, grades, percentages, and proportions.
Calculator (Simple & Scientific)
Basic + scientific functions with DEG/RAD.
GPA Calculator
Credits + grades → GPA (weighted optional).
Final Grade Calculator
What score do I need on the final?
Weighted Grade Calculator
Assignments + weights → overall grade.
Average Calculator
Mean / average of numbers.
Percentage Calculator
Percent of · Reverse percent · Change.
Percentage Increase/Decrease
Increase, decrease, and percent change.
Proportion Calculator
Solve a/b = c/d (find the missing value).
Ratio & Proportion
Simplify ratios, scale, solve for x.
Reading Time Calculator
Estimate reading time from pasted text.