Math Tools
Browse our collection of math tools. All tools are free to use and designed to make your work easier.
Geometric Sequence Calculator – Find Terms, Nth Term & Sum
Calculate any term, generate series, or find the sum of a geometric sequence with first term and common ratio. Interactive calculator with step-by-step explanations and multiple notation formats.
Proportion Calculator – Solve Ratio Problems with Step-by-Step Solutions
Free online proportion calculator that solves A/B = C/D equations for any missing value with detailed step-by-step explanations and cross-multiplication formulas
Prime Number Checker – Check if a Number is Prime with Explanation
Quickly verify if a number is prime or composite with step-by-step explanations and factorization for non-prime numbers. Simple, fast, and educational.
Random Number Sequence Generator – Create Random, Unique, and Sorted Number Lists
Generate customizable sequences of random numbers with options for unique values, sorting, decimal precision, and different separators for data analysis, testing, or simulations
Sphere Volume Calculator – Calculate Volume, Surface Area & Conversions
Calculate the volume and surface area of a sphere with this easy-to-use tool. Set radius or diameter, select units, and get instant volume conversions with 3D visualization.
Area Converter – Convert Between Square Meters, Acres, Square Feet and More
Easily convert between various area units including square meters, square feet, acres, hectares, and more with detailed conversion formulas and explanations
Liters to Gallons Converter – Convert Between Liters, Milliliters, US and UK Gallons
Easily convert between different volume units including liters, milliliters, US gallons, and UK gallons with precise calculations and scientific formulas
Permutation Calculator – Calculate nPr, nCr with Step-by-Step Solutions
Calculate permutations, combinations, and variations with and without repetition. Includes step-by-step explanations, formulas, and visualizations.
Cylinder Volume Calculator – Calculate Volume and Surface Area of Cylinders
Free online cylinder volume calculator with 3D visualization. Calculate volume, surface area, and convert between different units of measurement for any cylinder.
Aspect Ratio Calculator – Calculate Dimensions for Photos, Videos, and Screens
A free tool to calculate width, height, or both dimensions while maintaining aspect ratios like 16:9, 4:3, and more – perfect for photos, videos, and responsive design.
Markup Calculator – Calculate Profit Margin, Markup, and Selling Price
Free online calculator for business pricing strategies. Calculate markup, margin, cost, selling price and profit with flexible currency options.
Age Difference Calculator – Compare Birthdays and Find Exact Age Gaps
Calculate the precise difference between two birthdates in years, months, and days. Perfect for finding age gaps, planning events, and determining exact ages.
Number Base Converter – Convert Between Binary, Decimal, Hex, and More
Easily convert numbers between different numeral systems including binary, decimal, hexadecimal, octal, and other bases with step-by-step explanations
Histogram Maker: Create Statistical Histograms Online
Create and analyze histograms with our free online tool. Features include customizable bins, mean/median lines, distribution curves, and multiple chart types.
Factorial Calculator: Calculate Factorials Online
Free online factorial calculator to calculate factorial of any number. Features step-by-step calculation, scientific notation for large numbers, and instant results.