Basic Math
Core calculators for percentages, fractions, averages, and everyday number work.
About these math calculators
These math calculators are designed for fast estimating, solving, checking, and everyday math use. They can help with common math calculations such as percentages, fractions, decimals, ratios, averages, exponents, square roots, algebra, equations, geometry, area, volume, slope, probability, statistics, trigonometry, and basic arithmetic.
Common uses
Use these tools to solve homework problems, check calculations, convert fractions and decimals, calculate percentages, compare ratios, find averages, work through geometry problems, estimate area and volume, review statistics, and handle practical math calculations for school, work, projects, and everyday use.
Important math planning note
Math calculations can vary based on rounding rules, decimal precision, formula choice, measurement units, input accuracy, and problem setup. Use these calculators as helpful estimating and learning tools, and verify important academic, financial, engineering, construction, or technical results with the correct formula, teacher, textbook, or qualified professional when needed.