About 4,210,000 results
Open links in new tab
  1. Online Calculator

    The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations.

  2. Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science

    Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

  3. Scientific Calculator - Desmos

    A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

  4. Calculator

    Oct 29, 2025 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, powers …

  5. The Best Free Online Calculator

    Use the best online calculator for any math calculations on PC and smartphones. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise to a power or …

  6. Calculator Online - 247 Calculator

    Jan 17, 2025 · Use our free calculator online for quick and accurate math calculations on the go. Compatible with all devices, it supports addition, subtraction, multiplication, division, and more with a …

  7. calculator.com®

    calculate anything, anytime, anywhere... Free online calculators for everything. Some solve problems, some satisfy curiosity and some simply for fun.

  8. Basic Calculator - Free Online Math Calculator | MyOnlineCalc

    Free basic online calculator with percentage calculator, square root, customizable themes, sound effects, and full keyboard support. Perfect for students, professionals, and everyday math calculations.

  9. Real Calculator - Free Online Calculator Tool

    Need a fast and accurate math calculator? Use our free online tool for solving arithmetic, algebra, geometry, and advanced math problems. Quick, reliable, and easy to use!

  10. Free Online Math Calculator and Converter

    Free Online Math Calculators and Converters. Mathematics Calculation is made easier.