➗ Math Calculators

13 free calculators covering everyday math, algebra, geometry, and statistics.

%
Percentage Calculator
4 modes: X% of Y, change, reverse, increase.
Popular
💲
Tip Calculator
Split any bill with custom tip percentage.
Popular
🏷️
Discount Calculator
Sale price, original price, or % off.
📊
Statistics Calculator
Mean, median, mode, SD, and more.
½
Fraction Calculator
Add, subtract, multiply, divide fractions.
▪
Area Calculator
Area & perimeter for 5 common shapes.
:
Ratio Calculator
Simplify, find missing values, scale ratios.
x²
Quadratic Formula
Solve ax²+bx+c=0 with step-by-step.
🔬
Scientific Notation New
Convert to/from scientific notation.
🔢
GCF & LCM Calculator New
Greatest common factor and LCM.
🔢
Prime Number Checker New
Is it prime? Full factorization.
ln
Logarithm Calculator New
Log, ln, and any base.
△
Triangle Calculator New
Sides, angles, area from any inputs.