Free Calc Solver & Scientific Calculator Online
Math Tools

Math Tools

Free interactive calculators and converters to make math faster and easier. Pick any tool below to get started.

Divisibility Checker
Check if a number is even or odd and divisible by 2 through 10
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Fraction ↔ Decimal
Convert fractions to decimals and decimals back to fractions instantly
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Fraction Simplifier
Reduce any fraction to its simplest form using GCD
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LCM & GCD Calculator
Find the Least Common Multiple and Greatest Common Divisor of two numbers
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Multiplication Table
Generate times tables for any number with a quick-pick pad for 1–12
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Place Value Explainer
Break any number into ones, tens, hundreds and beyond
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Prime Number Checker
Instantly check if any number is prime or composite
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Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers
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Sequence Finder
Detect arithmetic, geometric, Fibonacci and other number patterns
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Shape Calculator
Calculate area and perimeter for squares, rectangles, triangles and circles
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Number Base Converter
Convert numbers between binary, octal, decimal and hex
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