Math, Science & Engineering
A complete collection of scientific and engineering calculation tools for students, educators, professionals, and enthusiasts. From basic unit conversions to advanced physics simulations, financial calculations, and specialized engineering tools. Solve equations, convert measurements, calculate loan payments, simulate physical phenomena, balance chemical equations, design electrical circuits, and estimate construction costs—all with accuracy and ease.
Convert between decimals, fractions, and percentages. Automatically simplifies fractions and supports mixed numbers.
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more numbers. View prime factorization, factors, and step-by-step solutions.
Check if numbers are prime, factorize into prime factors, generate prime lists, and find primes in any range.
Calculate exponents, nth roots, and powers of 2 instantly. Features quick presets, calculation history, and a handy reference table.
Convert between standard numbers and scientific notation instantly. Supports large and small numbers with multiple output formats.
Convert numbers between Binary, Octal, Decimal, and Hexadecimal. Essential tool for programmers, students, and anyone working with different number systems.
Convert any number to words instantly. Supports 52 languages, decimals, negative numbers, and currency conversion with multiple display formats.
Convert between Roman numerals and Arabic numbers instantly. Supports single conversion, batch processing, and range generation from 1 to 3999.
Calculate percentages instantly with 5 different modes: find X% of Y, what percent X is of Y, increase/decrease values, percent change, and percent difference.
Add, subtract, multiply, and divide fractions with automatic simplification. Supports mixed numbers and shows step-by-step solutions.
Calculate with extremely large numbers beyond normal limits. Supports addition, subtraction, multiplication, division, powers, roots, factorial, GCD, and LCM with arbitrary precision.
Convert between kg/m³, g/cm³, lb/ft³, g/mL and more. Instant results with customizable decimal precision for science and engineering.