Number & Math
Calculators, converters, and math utilities
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Open Tool →Scientific Calculator
Full-featured scientific calculator with advanced math functions.
Open Tool →Percentage Calculator
Calculate percentages, percentage of a number, and percentage change.
Open Tool →Fraction to Decimal Converter
Convert fractions to their decimal equivalents.
Open Tool →Decimal to Fraction Converter
Convert decimal numbers to simplified fractions.
Open Tool →Roman Numeral Converter
Convert between Roman numerals and decimal numbers.
Open Tool →Random Number Generator
Generate random numbers within a custom range with various options.
Open Tool →Prime Number Checker
Check if a number is prime and find its factors.
Open Tool →Prime Number Generator
Generate a list of prime numbers up to N.
Open Tool →Factorial Calculator
Calculate the factorial of any number.
Open Tool →Fibonacci Sequence Generator
Generate Fibonacci sequence up to N terms.
Open Tool →Greatest Common Divisor Calculator
Calculate the GCD of two or more numbers.
Open Tool →Least Common Multiple Calculator
Calculate the LCM of two or more numbers.
Open Tool →Modulo Calculator
Calculate the remainder of division (modulo operation).
Open Tool →Exponent / Power Calculator
Calculate powers and exponents of numbers.
Open Tool →Square Root / Nth Root Calculator
Calculate square roots and nth roots of numbers.
Open Tool →Logarithm Calculator
Calculate logarithms with any base (natural, common, custom).
Open Tool →Statistics Calculator
Calculate mean, median, mode, range, and standard deviation.
Open Tool →Standard Deviation Calculator
Calculate population and sample standard deviation with steps.
Open Tool →Probability Calculator
Calculate basic probability, odds, and expected value.
Open Tool →Permutation & Combination Calculator
Calculate permutations (nPr) and combinations (nCr).
Open Tool →Matrix Calculator
Add, multiply, transpose, and find determinant and inverse of matrices.
Open Tool →Quadratic Equation Solver
Solve quadratic equations and show step-by-step solutions.
Open Tool →Simultaneous Equation Solver
Solve systems of linear equations with 2 or 3 variables.
Open Tool →Polynomial Solver
Find roots of polynomial equations up to degree 4.
Open Tool →Ratio Calculator
Simplify ratios and find equivalent ratios.
Open Tool →Proportion Calculator
Solve proportions and find the missing value.
Open Tool →Percentage Change Calculator
Calculate percentage increase or decrease between two values.
Open Tool →Markup / Margin Calculator
Convert between markup and margin percentages.
Open Tool →Tip Calculator
Calculate tip amount and split the bill among multiple people.
Open Tool →Discount Calculator
Calculate discount amount, sale price, and savings.
Open Tool →Sales Tax Calculator
Calculate sales tax and total price with tax.
Open Tool →Compound Interest Calculator
Calculate compound interest with various compounding frequencies.
Open Tool →Simple Interest Calculator
Calculate simple interest, total amount, and time period.
Open Tool →Loan / EMI Calculator
Calculate monthly EMI, total interest, and amortization schedule.
Open Tool →Mortgage Calculator
Calculate monthly mortgage payments with taxes and insurance.
Open Tool →Savings Goal Calculator
Calculate how much to save monthly to reach your goal.
Open Tool →Retirement Calculator
Estimate retirement savings and required monthly contributions.
Open Tool →ROI Calculator
Calculate return on investment percentage and profit.
Open Tool →Break-Even Calculator
Calculate break-even point in units and revenue.
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