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Guides

Plain-English guides to grades, GPA and everyday math, each linked to the calculator that does the work.

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GpaAndPercentage

Free calculators for grades and everyday math, with the working shown so you can learn the method, not just copy the answer.

Grades & GPA

GPA Calculator
Weighted GPA Calculator
Cumulative GPA Calculator
Final Grade Calculator
Weighted Grade Calculator
GPA to Percentage Converter

Percentages

Percentage Calculator
Percent Change Calculator
Discount Calculator
Margin & Markup Calculator

Fractions & numbers

Fraction Calculator
Decimal to Fraction Converter
Ratio Calculator
Rounding Calculator

Statistics

Standard Deviation Calculator
Mean, Median & Mode Calculator

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