Calculators
Everyday math, finance, school, and measurement calculators.
Basic Calculator A clean online calculator for quick everyday math. Open Percentage Calculator Find percentages, percent change, discounts, markups, and reverse percentages. Open Ratio Calculator Simplify ratios, find equivalent ratios, and split totals by ratio parts. Open Percent Error Calculator Compare measured and accepted values with percent error, signed error, and steps. Open Half-Life Calculator Calculate remaining amount, elapsed time, or half-life with decay steps. Open Exponent Calculator Calculate powers with positive, negative, zero, decimal, and fraction exponents. Open Log Calculator Calculate logarithms with custom bases, ln, log10, and change-of-base steps. Open Root Calculator Calculate square roots, cube roots, nth roots, exponent form, and steps. Open Quadratic Formula Calculator Solve ax^2 + bx + c = 0 with roots, discriminant, vertex, and steps. Open Binary Calculator Add, subtract, multiply, divide, and convert binary numbers. Open Hex Calculator Add, subtract, multiply, divide, and convert hexadecimal numbers. Open Kawaii Calculator A cute pastel calculator for quick everyday math. Open Scientific Calculator A free scientific calculator for trig, logs, roots, powers, and constants. Open Fraction Calculator Add, subtract, multiply, divide, simplify, and convert fractions. Open