Math Tools & Calculators

Calculate percentages, find what percent one number is of another, and compute percentage increase or decrease.

Calculate simple interest and total amount using Principal, Rate, and Time. Includes reverse calculations.

Compute compound interest for annual, half-yearly, quarterly and monthly compounding frequencies.

Find profit or loss percentage, selling price, or cost price. Essential for competitive exam problems.

Calculate the arithmetic mean of a set of numbers along with sum, count, minimum and maximum.

Find the Highest Common Factor and Lowest Common Multiple of two or more numbers instantly.

Solve for time, speed, or distance when any two values are known. Supports km/h, m/s and miles/hr.

Simplify ratios of two or three numbers to their lowest terms. Find equivalent ratios and decimal values.

Calculate area and perimeter for Rectangle, Square, Circle, Triangle, Parallelogram and Trapezium with step-by-step formulas.

Add, subtract, multiply and divide fractions instantly. Shows LCD method, simplification steps, and mixed number conversion.

Reverse tax calculator — find the original price before GST from any tax-inclusive amount, or add GST to a base price. All 2025 slabs: 3%, 5%, 18%, 40%.

Find selling price, marked price, or discount percentage. Step-by-step solutions for profit-loss-discount problems.

Find Mean, Median, Mode, Range and Standard Deviation of any dataset with full step-by-step solutions.

Calculate nPr (permutations), nCr (combinations), and n! (factorial) with step-by-step solutions. Essential for SSC, IBPS, and competitive exams.

Calculate simple probability, P(A or B) using the addition rule, and P(A and B) using the multiplication rule — with fraction, decimal, and step-by-step solutions.

Find the nth term, sum of n terms, common difference, or term position in an Arithmetic Progression with step-by-step solutions.

Find √n and ∛n with prime factorization steps and simplification. Check if a number is a perfect square or cube.

Calculate volume and surface area for Cube, Cuboid, Cylinder, Cone, Sphere and Hemisphere with step-by-step formulas.

Calculate your exact age in years, months, and days. Find age on any date or the age difference between two people.

Calculate monthly loan EMI, total interest payable, and amortisation schedule for home, car, or personal loans.

Convert between Decimal, Binary, Octal and Hexadecimal with step-by-step division and positional methods.

Calculate sin, cos, tan and their inverses for any angle. Includes standard value table and key identities for SSC, IBPS, and competitive exams.

Solve ax² + bx + c = 0 using the quadratic formula. Find real and complex roots, discriminant, sum and product of roots with step-by-step solutions.

Convert ax² + bx + c to vertex form a(x+h)² + k by completing the square. Get vertex coordinates, axis of symmetry, and full step-by-step solution.

Calculate the area of any room or space in square feet, square meters, square yards, and more. Supports single room, multiple rooms, and unit conversion.