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AMToolsby HelloMarketing.in
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Math Calculators

Everyday and school mathematics without the fuss: percentages, fractions, ratios, averages, equations, statistics, number theory, geometry and number formatting.

37 tools in Math Calculators

All free. No signup. Runs in your browser.

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Average Calculator

Calculate mean, median, mode, range and standard deviation for any set of numbers. Paste a list and get instant statistics.

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Decimal to Fraction Converter

Convert decimal numbers to fractions and vice versa. Simplify fractions to lowest terms.

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Distance Calculator Between Cities

Calculate approximate distance between major Indian and world cities. Get straight-line and road distance estimates.

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Exponent & Root Calculator

Calculate any number raised to any power. Handles negative exponents, fractional exponents and scientific notation. Shows step-by-step work.

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Fibonacci Sequence Generator

Generate Fibonacci numbers up to any count or value limit.

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Fibonacci Sequence Generator

Generate Fibonacci numbers online. Calculate the nth Fibonacci number and view sequences with explanations.

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Fraction Calculator

Add, subtract, multiply, and divide fractions. Simplify fractions, convert to decimals and mixed numbers. Shows step-by-step working.

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Frequency to Wavelength Converter

Convert frequency to wavelength and wavelength to frequency for electromagnetic waves.

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GCD & LCM Calculator

Find the GCD (Greatest Common Divisor) and LCM (Least Common Multiple) of any numbers. Shows prime factorisation and step-by-step working.

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Geometry Calculator

Calculate area, perimeter and volume for circles, triangles, rectangles, polygons, cylinders, spheres and more. Step-by-step formulas included.

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LCM and HCF Calculator

Calculate the Lowest Common Multiple (LCM) and Highest Common Factor (HCF/GCD) of two or more numbers instantly. Shows step-by-step working.

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Linear Equation Solver

Solve linear equations and systems of equations (2x2). Step-by-step solutions shown.

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Matrix Calculator

Add, subtract, and multiply matrices. Calculate determinant and transpose for up to 3×3 matrices.

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Multiplication Table Generator

Generate multiplication tables for any number up to 100. Print-friendly, colorful, and great for students and kids.

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Number to Roman Numeral

Convert numbers to Roman numerals and back. Supports 1-3999 in standard notation.

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Number to Words (Indian System)

Convert numbers to words in Indian numbering system — ones, lakhs, crores. Perfect for cheques, invoices, and legal documents.

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Number to Words Converter

Convert any number to words in English. Great for writing cheques, invoices, and legal documents.

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Ohm's Law Calculator

Calculate voltage, current, and resistance using Ohm's Law (V=IR). Free online physics calculator.

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Palindrome Checker

Check if a word, phrase, or sentence is a palindrome — reads the same forwards and backwards.

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Percentage Calculator

Calculate percentages easily — find what X% of Y is, what percentage X is of Y, percentage change, and more.

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Percentage Change Calculator

Calculate percentage change, percentage increase, or decrease between two values. Useful for finance, statistics, and everyday math.

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Permutation & Combination Calculator (nPr, nCr)

Calculate permutations (nPr) and combinations (nCr) for any n and r. Shows step-by-step formula and factorial working.

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Prime Number Checker

Check if a number is prime and find prime numbers in any range.

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Prime Number Checker

Check if a number is prime, find prime factors, and generate a list of prime numbers up to N.

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Quadratic Equation Solver

Solve quadratic equations ax² + bx + c = 0 using the quadratic formula. Shows real and complex roots.

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Quadratic Equation Solver

Solve quadratic equations ax² + bx + c = 0. Get real and complex roots with step-by-step solution.

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Quadratic Equation Solver

Solve quadratic equations (ax² + bx + c = 0) and find roots, vertex, and discriminant.

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Ratio Calculator

Simplify ratios, solve proportions and scale ratios up or down. Supports 2-part and 3-part ratios with step-by-step solutions.

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Roman Numeral Converter

Convert numbers to Roman numerals and vice versa. Supports standard Roman numerals up to 3999 and extended notation.

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Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers instantly.

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Scientific Calculator

Full-featured scientific calculator with trigonometry, logarithms, powers, and memory functions.

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Scientific Notation Converter

Convert numbers to and from scientific notation. Supports very large and very small numbers.

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Scientific Notation Converter

Convert numbers to and from scientific notation. Instantly express large and small numbers in standard form.

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Speed Distance Time Calculator

Calculate speed, distance, or time using the formula Speed = Distance / Time. Physics and travel calculator.

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Square Footage Calculator - Room Area & Flooring Cost

Calculate room area in square feet, square meters, or square yards. Estimate flooring, paint, and tile costs with waste factor.

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Statistics Calculator

Calculate mean, median, mode, standard deviation, variance, and more for a dataset. Free statistics tool.

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Unit Circle Reference

Interactive unit circle showing sin, cos, tan values for common angles in degrees and radians.

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About Math Calculators

Everyday and school mathematics without the fuss: percentages, fractions, ratios, averages, equations, statistics, number theory, geometry and number formatting.

Each calculator shows the working, not just the answer, which makes them useful for homework checks, spreadsheets, shop discounts and quick estimates.

AMTools is built and maintained by HelloMarketing.in. Every tool is free to use with no account or payment required. See our disclaimer and privacy policy.

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