Math calculator tools
33 tools are ready to use. Pick a calculator and get results in seconds.
Percentage Calculator
Calculate the percentage of a number, percentage increase or decrease, percentage ratio, and percentage change between two values.
Weight Converter
Convert between kilograms, grams, tons, pounds, ounces, milligrams, and stone.
Area Calculator
Calculate the area of square, rectangle, triangle, circle, and other basic geometric shapes.
Golden Ratio Calculator
Calculate the larger/smaller part, total length, or check the ratio according to the golden ratio based on a length value.
Perimeter Calculator
Calculate the perimeter/circumference for square, rectangle, triangle, circle, parallelogram, trapezoid, and ellipse.
Desi Calculator
Cargo desi (volumetric weight) calculator.
E-Commerce Markup and Profit Margin Calculator
Calculate net profit, markup, profit margin, and break-even price from product cost, sale price, commission, and shipping.
GCD and LCM Calculator
Calculates the GCD (Greatest Common Divisor) and LCM (Least Common Multiple) for two or more integers.
Aspect Ratio Calculator
Calculate a simplified aspect ratio and proportional dimensions for images, videos, and screens.
Energy Unit Converter
Convert your entered energy value between different energy units using joule-based fixed coefficients.
Baker's Percentage & Recipe Scaler
Calculate ingredient weights (flour, water/hydration, sourdough/yeast, salt) using professional Baker’s Math where flour is always 100%.
Power Unit Converter
Converts your entered power value between different power units using watt-based fixed coefficients.
Volume Calculator
Calculate the volume of various 3D shapes.
Ready-Mixed Concrete Volume, Coverage & Mix (BOM) Optimizer
Calculate required concrete volume in cubic meters (m³), surface coverage, and raw material recipe (cement, sand, aggregate, water).
Discount Calculator
Calculate discounted prices and discount amounts.
Profit/Loss Margin Calculator
Calculate profit/loss amount, margin on cost, and margin on sale based on cost and sale prices.
Square Root Calculator
Calculates the square root, nth root, and simplified root representation of a given number.
Tablespoon to Grams Converter
Convert tablespoons to approximate grams for butter, flour, sugar, and water.
Cake Pan Size & Area Converter
Calculate ingredient scaling multipliers and baking adjustments when converting recipes between different sized round, square, and rectangular cake pans.
Kitchen Measurement & Weight Converter
Convert between cups, tablespoons, teaspoons, milliliters, and grams for various ingredients like flour, sugar, butter, oil, and cocoa based on their true density.
Ratio and Proportion Calculator
Calculate the ratio between two numbers, percentage equivalent, simplified ratio, and proportion unknown.
Lottery Odds & Prize Probability Calculator
Calculate jackpot odds and combination spaces for major lotteries (6/90, 6/60, 5/34, 6/49) and custom lotto draws based on ticket count.
Temperature Unit Converter
Convert temperature values between Celsius, Fahrenheit, Kelvin, and Rankine.
Standard Deviation Calculator
Calculate mean, variance, standard deviation, sample standard deviation, minimum, maximum, and range for an entered number sequence.
Sudoku Solver, Difficulty & Candidate Analyzer
Analyze Sudoku puzzle difficulty based on clue count, check missing candidate digits in rows/blocks, and explore constraint satisfaction solving techniques.
Base Converter
A calculator tool that converts a number between bases from 2 to 36, supporting binary, octal, decimal, hexadecimal, and custom bases.
Syrup Ratio, Boiling Time & Sugar Density (Brix) Calculator
Calculate water-to-sugar ratios, boiling times, Brix sugar concentration, and syrup temperature rules for Baklava, Sekerpare, Revani, and Tulumba.
Exponent Calculator
Calculates exponentiation results based on base and exponent values. Supports negative exponents, fractional exponents, and scientific notation.
Length Unit Converter
Convert length values between different units of measurement (Meter, kilometer, inch, foot, etc.).
Volumetric Weight Calculator
Find chargeable shipping weight from package dimensions, actual weight, and the carrier divisor.
Recipe Serving & Ingredient Scaler
Scale recipes easily up or down from 4 servings to 10, 20, or single portions. Calculate new ingredient weights, liquid amounts, and smart spice scaling.
Price Increase Calculator
Find out the amount and rate of price increases.
Dice Probability & Board Game (D&D / RPG) Calculator
Calculate dice sum probabilities, expected values, success thresholds, and doubles odds for 2d6, 3d6, d20, and tabletop RPGs.