T2Tool2Do

34 tools

Math Tools

Solve common math problems, fractions, ratios, algebra and geometry calculations instantly.

Math tools cover evergreen calculations with clear formulas and fast client-side results. Use them for fractions, ratios, averages, number theory, algebra, coordinate geometry, and common shape formulas without accounts, AI, or external APIs.

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Basic Math

Handle averages, percentages, exponents, roots, notation, and rounding.

7 tools

Average Calculator

Calculate the mean, count, and sum from a list of numbers.

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Weighted Average Calculator

Calculate a weighted mean from value and weight rows.

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Percentage Difference Calculator

Calculate percentage difference between two values.

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Exponent Calculator

Calculate powers with positive, zero, or negative exponents.

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Square Root Calculator

Calculate the square root of a non-negative number.

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Scientific Notation Converter

Convert between standard decimal form and scientific notation.

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Rounding Calculator

Round numbers by decimal places or significant figures.

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Fractions & Ratios

Calculate, simplify, convert, and compare fractions, decimals, ratios, and proportions.

7 tools

Fraction Calculator

Add, subtract, multiply, and divide fractions with simplified results.

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Fraction Simplifier

Reduce a fraction to lowest terms and see the GCD used.

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Decimal to Fraction

Convert a decimal value into a simplified fraction.

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Fraction to Decimal

Convert a fraction to a decimal and percentage.

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Mixed Number Calculator

Convert mixed numbers to improper fractions and back.

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Ratio Calculator

Simplify ratios and find equivalent ratio values.

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Proportion Calculator

Solve a missing value in a / b = c / x.

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Number Theory

Work with divisors, multiples, primes, factors, factorials, and remainders.

6 tools

GCD Calculator

Find the greatest common divisor of two or more integers.

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LCM Calculator

Find the least common multiple of two or more integers.

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Prime Number Checker

Check whether an integer is prime and see a factor if it is not.

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Prime Factorization Calculator

Break an integer into prime factors.

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Factorial Calculator

Calculate n! exactly for browser-safe non-negative integers.

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Modulo Calculator

Calculate quotient and remainder from division.

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Algebra

Solve equations and coordinate geometry problems without arbitrary symbolic parsing.

5 tools

Linear Equation Solver

Solve ax + b = c for x.

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Quadratic Formula Calculator

Calculate discriminant, roots, and vertex basics for ax² + bx + c = 0.

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Slope Calculator

Calculate slope from two points.

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Midpoint Calculator

Find the midpoint between two coordinate points.

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Distance Between Points Calculator

Calculate Euclidean distance between two 2D points.

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Geometry

Calculate right triangles, areas, volumes, surface areas, and common shape measurements.

9 tools

Pythagorean Theorem Calculator

Solve a missing side of a right triangle.

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Triangle Area Calculator

Calculate triangle area using base and height or Heron's formula.

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Circle Calculator

Calculate circle area, circumference, radius, and diameter.

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Rectangle Calculator

Calculate rectangle area, perimeter, and diagonal.

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Trapezoid Area Calculator

Calculate trapezoid area from two bases and height.

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Cylinder Volume Calculator

Calculate cylinder volume and surface area.

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Sphere Calculator

Calculate sphere volume and surface area.

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Cone Volume Calculator

Calculate cone volume and surface area.

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Cube Calculator

Calculate cube volume, surface area, and space diagonal.

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All math tools

34 tools in this category.

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