Browse 54+ Basic Mathematics Calculators for homework, practice, and checking your work. Search this category, pick a popular tool, or jump to a subcategory.
54 calculators available
Jump to subcategories ↓Popular Basic Mathematics Calculators
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Core Calculators
5 specialized tools
Percentages & Proportions
11 specialized tools
Percentage Calculator
Free online calculator
Percentage Increase Calculator
Free online calculator
Percentage Decrease Calculator
Free online calculator
Percentage Change Calculator
Free online calculator
Percentage Difference Calculator
Free online calculator
Percentage Off Calculator
Free online calculator
Percent Error Calculator
Free online calculator
Percent Yield Calculator
Free online calculator
Proportion Calculator
Free online calculator
Ratio Calculator
Free online calculator
Percentage Difference Calculator
Free online calculator
Fractions & Decimals
15 specialized tools
Fraction Calculator
Free online calculator
Mixed Number Calculator
Free online calculator
Improper Fraction Calculator
Free online calculator
Fraction to Decimal Calculator
Free online calculator
Decimal to Fraction Calculator
Free online calculator
Fraction to Percent Calculator
Free online calculator
Decimal to Percent Calculator
Free online calculator
Decimal to Time Calculator
Free online calculator
Simplify Fractions Calculator
Free online calculator
Equivalent Fractions Calculator
Free online calculator
Adding Fractions Calculator
Free online calculator
Subtracting Fractions Calculator
Free online calculator
Multiplying Fractions Calculator
Free online calculator
Dividing Fractions Calculator
Free online calculator
Repeating Decimal to Fraction Calculator
Free online calculator
Basic Operations
14 specialized tools
Square Root Calculator
Free online calculator
Cube Root Calculator
Free online calculator
Exponent Calculator
Free online calculator
Power Calculator
Free online calculator
Factorial Calculator
Free online calculator
Absolute Value Calculator
Free online calculator
Modulo Calculator
Free online calculator
Remainder Calculator
Free online calculator
Division Calculator
Free online calculator
Long Division Calculator with Steps
Free online calculator
Multiplication Calculator
Free online calculator
Rounding Calculator
Free online calculator
Sig Fig Calculator
Free online calculator
Partial Quotients Division Calculator
Free online calculator
Number Conversions
9 specialized tools
Binary Calculator
Free online calculator
Hexadecimal Calculator
Free online calculator
Binary Addition Calculator
Free online calculator
Decimal to Binary Calculator
Free online calculator
Binary to Decimal Calculator
Free online calculator
Hexadecimal to Decimal Calculator
Free online calculator
Octal Calculator
Free online calculator
Base Calculator
Free online calculator
Roman Numeral Calculator
Free online calculator
Total Tools
54+
Categories
5
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No
Free Access
100%
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About Basic Mathematics Calculators
Whether you are splitting a restaurant bill, checking homework, or converting between number bases, our Basic Mathematics Calculators handle everyday arithmetic so you can focus on what matters. The collection spans 54 free online tools — from a full-featured Percentage Increase Calculator to a lightning-fast Division Calculator and a handy Base Calculator for binary, octal, and hex conversions.
Students use these tools to double-check fraction and decimal work, while professionals rely on the Percentage Difference Calculator for quick data comparisons. Every calculator runs entirely in your browser — no sign-ups, no downloads — and returns results instantly with clear step-by-step breakdowns.
Subcategories
Most Popular Basic Mathematics Calculators
Get started with our most-used tools: Base Calculator, Percentage Increase Calculator, Calculator, Basic Calculator, Division Calculator, Percentage Difference Calculator, and Fraction Calculator. Every tool runs in your browser — no sign-up required.
All 54 basic mathematics calculators are completely free, work on any device, and deliver results in milliseconds. Bookmark this page and come back whenever you need a quick answer.
Featured Articles
Deepen your understanding of basic mathematics with these guides:
How to Find the Pattern in a Number Sequence
Learn how to find the pattern in a number sequence using finite differences, ratio tests, and recursive rules — plus how to build the nth-term formula.
Overcoming Math Anxiety: Build Mathematical Confidence
Overcoming Math Anxiety requires understanding its roots and applying proven strategies. Learn techniques that transform mathematical fear into confidence.
How to Simplify Boolean Expressions
Simplify Boolean expressions with the eleven core algebra laws, De Morgan’s theorems and Karnaugh maps — with worked reductions and the gate counts they save.
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