Math Tools
Free math calculators and tools. Calculate percentages, round numbers, work with fractions, compute grades and GPA, and solve mathematical problems instantly. Perfect for students, teachers, and professionals.
Average Calculator
Calculate mean, median, mode, and range from a list of numbers. Supports multiple input formats and shows detailed statistical insights with calculation steps.
Weighted Average Calculator
Calculate weighted averages from values and their weights. Perfect for grades, investments, surveys, and any data where different items have different importance. Shows detailed calculation steps.
Percentage Calculator
Calculate percentages with ease. Find what percentage a number is of another, calculate percentage of a value, percentage change, and more.
Ratio Calculator
Calculate and simplify ratios instantly. Find missing values in proportions, scale ratios, convert to percentages, and compare ratios. Perfect for math, cooking, design, and more.
Rounding Calculator
Round numbers to any decimal place or significant figure. Perfect for simplifying calculations, reporting results, and working with approximate values.
Significant Figures Calculator
Round numbers to a specified number of significant figures or count how many significant figures a number has. Essential for science, engineering, and reporting measurements.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Simplify fractions, convert between fractions and decimals, and work with mixed numbers. Perfect for students and professionals.
Grade Calculator
Calculate your current grade, determine what you need on your final exam, calculate weighted averages, and compute GPA. Perfect for students tracking their academic performance.
Random Number Generator
Generate random numbers within a specified range. Perfect for games, simulations, testing, lotteries, and any scenario where you need random numbers.