Math calculator tools
29 tools are ready to use. Pick a calculator and get results in seconds.
Area Calculator
Calculate area for common geometric shapes.
Volume Calculator
Calculate volume for common solids.
Perimeter Calculator
Calculate perimeter for common geometric shapes.
Percentage Calculator
Calculate percentage increase, decrease and ratios quickly.
Volumetric Weight Calculator
Calculate cargo volumetric weight.
Profit Loss Ratio Calculator
Calculate profit, loss, and percentage return.
Raise Calculator
Calculate price or salary increase amounts.
Discount Calculator
Calculate discounted price and savings.
GCD LCM Calculator
Calculate greatest common divisor and least common multiple.
Ratio Calculator
Calculate ratios and proportional values.
Length Unit Converter
Convert length units.
Weight Unit Converter
Convert weight units.
Temperature Unit Converter
Convert temperature units.
Power Unit Converter
Convert power units.
Energy Unit Converter
Convert energy units.
Exponent Calculator
Calculate powers and exponents.
Square Root Calculator
Calculate square roots quickly.
Standard Deviation Calculator
Calculate standard deviation and variance.
Golden Ratio Calculator
Calculate golden ratio values.
Base Conversion Calculator
Convert numbers between numeral bases.
Ready-Mixed Concrete Volume, Coverage & Mix (BOM) Optimizer
Calculate required concrete volume in cubic meters (m³), coverage, and material mix recipe.
Baker's Percentage & Recipe Scaler
Calculate ingredient weights using professional Baker's Math where flour is 100%.
Cake Pan Size & Area Converter
Convert recipes between round, square, and rectangular cake pans.
Kitchen Measurement & Weight Converter
Convert cups, tablespoons, grams, and ml based on food density.
Syrup Ratio, Boiling Time & Sugar Density (Brix) Calculator
Calculate sugar-to-water ratios, boiling time, and Brix for baklava and pastry syrup.
Recipe Serving & Ingredient Scaler
Scale recipes easily up or down with smart spice scaling.
Sudoku Solver, Difficulty & Candidate Analyzer
Analyze Sudoku puzzle difficulty and find missing candidate digits.
Dice Probability & Board Game (D&D / RPG) Calculator
Calculate dice sum probabilities, expected values, and odds for 2d6, 3d6, and d20.
Lottery Odds & Prize Probability Calculator
Calculate jackpot odds and combination spaces for major lotteries.