Math Tools

Calculators for averages, fractions, statistics, conversions and general math problems.

Average Calculator

Calculate the mean, median and mode of a set of numbers.

Fraction Calculator

Add, subtract, multiply and divide fractions with steps.

Scientific Calculator

A full scientific calculator for advanced math.

Binary Converter

Convert between decimal, binary, octal and hexadecimal.

Roman Numeral Converter

Convert numbers to Roman numerals and back.

LCM & GCF Calculator

Find the LCM and GCF (HCF) of a set of numbers.

Ratio Calculator

Simplify ratios and solve for missing values.

Probability Calculator

Calculate the probability of single and combined events.

Standard Deviation Calculator

Calculate standard deviation and variance for a data set.

Grade Calculator

Calculate your overall exam or assignment grade percentage.

GPA Calculator

Calculate your Grade Point Average (GPA) or CGPA.

About Math Tools

Calculators for averages, fractions, statistics, conversions and general math problems. Every tool on this page runs instantly in your browser, is free to use with no sign-up, and works on desktop, tablet and mobile.

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