Calculators Tools

Calculate percentages, percentage change, and percentage of a number instantly. Free online percentage calculator for everyday math problems.

Calculate compound interest on any investment with principal, rate, time, and compounding frequency. Free online compound interest calculator.

Calculate simple interest over any time period instantly. Enter principal, interest rate, and term to get the total interest amount — free tool.

Calculate tip amount and split restaurant bills among multiple people. Free online tip calculator with custom tip percentages and party split.

Calculate sale price and total savings from any discount percentage. Free online discount calculator for shopping, retail, and pricing decisions.

Add or remove tax (VAT/GST/sales tax) from any price instantly. Free online tax calculator for shopping, invoicing, and business pricing.

Calculate return on investment percentage and net profit from any investment. Free online ROI calculator for business, marketing, and financial analysis.

Estimate monthly mortgage payments based on loan amount, interest rate, and term. Free online mortgage calculator for home buyers and refinancers.

Calculate loan EMI, total repayment, and interest for any loan amount and term. Free online loan calculator for personal, auto, and business loans.

Calculate mean, median, and mode for any set of numbers instantly. Free online average calculator for statistics, data analysis, and school math.

Add, subtract, multiply, and divide fractions with step-by-step results. Free online fraction calculator for students, teachers, and everyday math.

Generate random integers within any range instantly. Set min, max, and quantity for bulk random numbers — free online random number generator.

Full-featured scientific calculator with trigonometry, logarithms, and advanced math functions. Free online scientific calculator for students and engineers.

Calculate the sides of a right triangle using the Pythagorean theorem. Free online tool — find any side when two sides are known.

Solve quadratic equations (ax² + bx + c = 0) instantly with real and complex roots. Free online quadratic formula solver for students and teachers.

Calculate area of circles, rectangles, triangles, and other shapes instantly. Free online area calculator for geometry, construction, and flooring.

Calculate volume of cubes, spheres, cylinders, and other 3D shapes. Free online volume calculator for math, science, and everyday measurements.

Generate the Fibonacci sequence up to N terms, see the sum and golden ratio approximation, and download results as CSV. Free online Fibonacci sequence generator.

Check whether any number is prime and list the first N prime numbers instantly. Find the next and previous prime — free online prime number checker.

Calculate the Greatest Common Divisor and Least Common Multiple of two or more numbers with step-by-step Euclidean algorithm. Free online GCD and LCM calculator.