Math Calculators
Last Updated :
04 Sep, 2025
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GeeksforGeeks’s free online math calculators provide quick solutions for unit conversions (length, weight, volume, temperature, angles), number base conversions (binary, decimal, hexadecimal), and essential math tools like logarithms, roots, LCM, HCF, interest, EMI, BMI, age, and percentage calculators.
Explore the complete list below and find the right calculator for your needs.
Basic Math
- Prime and Composite Numbers Calculator
- Prime Factorization Calculator
- LCM Calculator
- HCF Calculator
- Modulo Calculator
- Random Number Generator
- Square Root Calculator
- Cube Root Calculator
- Log Calculator
- Antilog Calculator
- Degree to Radians Converter
Number System
- Decimal to Binary Converter
- Binary to Decimal Converter
- Decimal to Hex Converter
- Hexadecimal to Decimal Converter
- Percentage to Decimal Converter
- Numbers to Words Converter
- Roman Numeral Converter
Utility Calculators
- BMI Calculator
- Age Calculator
- Time Calculator
- Volume Calculator
- Area Calculator
- Weight Calculator
- Length Calculator
Financial Calculators
- Simple Interest Calculator
- Compound Interest Calculator
- EMI Calculator
- Mortgage Calculator
- CGPA to Percentage Converter
Unit Converters- Length
- CM to MM Converter
- MM to CM Converter
- Inches to Centimeters Converter
- CM to Inches Converter
- Meters to Feet Converter
- Feet to Centimeters Converter
- MM to Inches Converter
- MM to Feet Converter
- Meter to Inches Converter
- Inches to Feet Converter
- CM to Feet Converter
- Feet to Inches Converter
- Inches to MM Converter
- Millimeter to Centimeter Converter
Unit Converter- Weight/Mass
- Kg to Pounds Converter
- Ounces to Kilograms Converter
- Grams to Milligrams Converter
- Grams to Pounds Converter
- Ounces to Pounds Converter
- Ounces to Grams Converter
- Metric Tons to Kilograms Converter
Unit Converters – Volume
- Gallon to Liter Converter
- Liters to Milliliters Converter
- Gallons to Liter Converter
- Cubic Feet to Gallon Converter
- Cubic Meter to Liter Converter
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