Math Calculators

The Decimal to Percent Calculator makes converting decimals to percentages easy and instant. Whether you’re doing homework, prepping a worksheet, or just need a quick conversion for a report, this…

Use this Expanded Form Calculator to instantly break numbers into their place values. Whether you’re working with homework, teaching place value, or exploring number structure, this tool gives you clean…

The Least Common Denominator Calculator helps you quickly find the LCD for any group of fractions and convert them to equivalent forms. Whether you’re adding or comparing fractions, building math…

The Add and Subtract Money Calculator makes it easy to total expenses, balance budgets, or check cash transactions. Just paste in a list of dollar amounts positive for income, negative…

The Fraction Number Line Generator creates clean, accurate number lines using fractions perfect for math classrooms, worksheets, and visual learning. Whether you’re teaching halves, quarters, or twelfths, this tool lets…

The Mixed Numbers to Percent Calculator instantly converts mixed numbers like 2 1/4 or 5 3/8 into percent, decimal, or fraction format. It’s a fast, browser-based tool designed for students,…

The Calculate Percent of a Number tool helps you quickly solve any percentage problem not just “what is 20% of 150?”, but also percent increases and decreases like “what’s 150…

The Numbers & Words to Standard Numbers Calculator lets you take number words like “four thousand two hundred” or “two million” and instantly convert them to proper digits like 4200…

The Lattice Multiplication Calculator is a clever way to visualize multiplication using a grid. Also known as the gelosia method, it breaks the multiplication process into small manageable steps and…

The Long Addition Calculator lets you add multiple numbers together just like you’d do on paper showing each digit stacked neatly and even the carry-overs between columns. If you’re trying…