Math Tools
Free online math tools to help you work with numbers and calculations
Calculator
New
Basic and scientific calculator for all your math needs
Percentage Calculator
New
Calculate percentages and percentage changes
Area Calculator
New
Calculate area of various shapes and figures
Rule of Three (Direct)
New
Calculate direct proportions using the rule of three
Rule of Three (Inverse)
New
Calculate inverse proportions using the rule of three
Trigonometric Functions
New
Calculate sine, cosine, tangent and other trig functions
Radians/Degrees Converter
New
Convert between radians and degrees easily
Unit Converter
Coming Soon
Convert between different units of measurement