WorkedMath
Free math calculators that show their work. Number theory, statistics, algebra, geometry, and more, with the full step-by-step method behind every answer.
General Math
- LCM Calculator – Least Common Multiple
- GCF Calculator – Greatest Common Factor
- LCD Calculator – Least Common Denominator
- Factor Calculator
- Square Root Calculator
- Roman Numeral Converter
- Scientific Notation Calculator
- Long Division Calculator
- Remainder Calculator
- Absolute Value Calculator
- Cube Root Calculator
- Binary Calculator
- Factorial Calculator
- Fraction Calculator
- Ratio Calculator
- Percentage Increase Calculator
- Percentage Decrease Calculator
- Discount Calculator
- Markup Calculator
- Mixed Number Calculator
- Expanded Form Calculator
- Sales Tax Calculator
- Simple Interest Calculator
- Percent Off Calculator
- Age Calculator
- Korean Age Calculator
- Percentage of a Number Calculator
- Reverse Percentage Calculator
- Rounding Calculator
- Least to Greatest Calculator
Statistics
- Standard Deviation Calculator
- Percentile Calculator
- Mean, Median, Mode Calculator
- Variance Calculator
- Quartile Calculator
- Five Number Summary Calculator
- Weighted Average Calculator
- Combination Calculator (nCr)
- Sample Size Calculator
- Z-Score Calculator
- Chi-Square Calculator
- T-Test Calculator
- GPA Calculator
- Average Calculator
- Grade Calculator
Algebra
- Quadratic Formula Calculator
- Log Calculator
- Exponent Calculator
- Factoring Calculator
- System of Equations Calculator
- Slope-Intercept Form Calculator
- Inverse Function Calculator
- Polynomial Calculator
- Domain and Range Calculator
- Synthetic Division Calculator
- Vertex Form Calculator
- Point-Slope Form Calculator
- Linear Equation Calculator
- Rationalize the Denominator Calculator
- Slope Calculator
- Exponential Growth Calculator
- Proportion Calculator
- Matrix Calculator
- Speed Distance Time Calculator
Geometry & Trigonometry
- Sphere Calculator
- Cylinder Calculator
- Cone Calculator
- Triangle Area Calculator
- Trapezoid Calculator
- Hexagon Calculator
- Arc Length Calculator
- Surface Area Calculator
- Perimeter Calculator
- Pythagorean Theorem Calculator
- Midpoint Calculator
- Law of Sines Calculator
- Law of Cosines Calculator
- Golden Ratio Calculator
- Circle Calculator
- Distance Formula Calculator
- Scale Factor Calculator
- Cubic Feet Calculator
- Square Footage Calculator
- Square Calculator