What These Calculators Do
Our math calculators handle everyday number problems: percentages, fractions, conversions, and random number generation. Enter your numbers, get instant results — no formulas to remember.
These tools are useful for students checking homework, shoppers calculating discounts, cooks adjusting recipes, or anyone who needs quick, accurate math.
Featured Calculators
Solve any percentage problem quickly — find percent of a number, percentage change, increase, or decrease.
Add, subtract, multiply, and divide fractions with step-by-step solutions and automatic simplification.
Convert any decimal to a simplified fraction or mixed number instantly.
Convert simple or mixed fractions to their decimal equivalents with precision.
Convert any percentage to a simplified fraction with automatic simplification.
Convert any fraction to its percentage equivalent instantly.
Add up a list of numbers and get the total sum, count, and average instantly.
Generate random numbers within any range for games, raffles, decisions, or data sampling.
Percentage Calculator
Percentages appear everywhere: discounts, tips, taxes, grades, data analysis.
What you can calculate:
- What is X% of Y?
- X is what percent of Y?
- X is Y% of what number?
- Percentage change between two values
- Increase or decrease a number by X%
Each calculation mode solves a different type of percentage problem.
Fraction Tools
Working with fractions? We have tools for every common operation:
Fraction Calculator — Add, subtract, multiply, and divide fractions. Works with simple fractions and mixed numbers. Results are automatically simplified.
Decimal ↔ Fraction Conversion — Convert decimals to fractions or fractions to decimals. Useful for cooking measurements, construction, and math homework.
Percent ↔ Fraction Conversion — Convert percentages to fractions or fractions to percentages. Helpful for understanding proportions and comparing values.
All fraction tools simplify results to lowest terms automatically.
Sum Calculator
Add up lists of numbers quickly. Paste or type a series of values and get the total instantly. Useful for expense tracking, data entry verification, or any situation where you need to sum multiple numbers.
Random Number Generator
Generate random numbers for games, decisions, sampling, or any purpose requiring randomness.
Features:
- Set custom ranges (minimum and maximum)
- Generate single or multiple numbers
- Choose integers or decimals
- Allow or prevent duplicates
Common uses: lottery picks, random sampling, game decisions, fair selection processes.