Calculators

Free calculators for math, statistics, finance, and unit conversion. Need something more involved? Formula Bot can run the analysis on your own data.

statistics

Free Statistics Calculator Online
Free Probability Calculator Online
Free Regression Calculator Online
Free Percent Error Calculator Online
Calculate percent error for experiments and data.

calculus

Free Derivative Calculator
Free Integral Calculator
Free Limit Calculator
Free Summation Calculator (Sigma Notation)

number-tools

Free Fraction Calculator Online
Free Complex Number Calculator Online
Free Number Base Converter Online
Free Factoring Calculator Online

applied-math

Free Unit Converter Online
Free Compound Interest Calculator Online
Free Percentage Calculator Online
Free Polynomial Roots Calculator Online

algebra

Free Expression Simplifier
Free Quadratic Formula Calculator Online
Solve quadratic equations step by step.
Slope Calculator - Find Slope from Two Points
Find the slope and equation of a line.
Log Calculator - Calculate Logarithms Online
Calculate logarithms with any base.

linear-algebra

Free Matrix Calculator Online
Free Vector Calculator Online
Free Equation Solver Online

utility

Free Tip Calculator Online
Calculate tips and split bills with ease.
Free GPA Calculator Online
Calculate your grade point average instantly.
Free Final Grade Calculator Online
Find out what you need on your final exam.
Age Calculator - Calculate Your Exact Age
Calculate your exact age in years, months, and days.

geometry

Free Square Footage Calculator Online
Calculate area for any shape and convert between units.
Free Pythagorean Theorem Calculator Online
Find the missing side of a right triangle.
Free Midpoint Calculator Online
Find the midpoint between two coordinate points.

arithmetic

Free Square Root Calculator Online
Find square roots with step-by-step solutions.
Free Long Division Calculator Online
Solve long division with detailed steps.
Free Scientific Notation Calculator Online
Convert and calculate with scientific notation.
Free Rounding Calculator Online
Round numbers to any decimal place.
Free Mixed Number Calculator Online
Add, subtract, multiply, and divide mixed numbers.
Free Exponent Calculator Online
Calculate powers and exponents step by step.
Free Significant Figures Calculator Online
Count and round significant figures.
Free GCF & LCM Calculator Online
Find the GCF and LCM of any numbers.
Free Decimal to Fraction Calculator Online
Convert decimals to fractions in lowest terms.

finance

Free Annuity Calculator Online
Calculate annuity payments and values.
Free Dividend Calculator Online
Calculate dividend yield and income projections.
Free Future Value Calculator Online
Calculate how your investments grow over time.
Free Discount Calculator Online
Calculate sale prices and savings instantly.
Free Markup Calculator Online
Calculate markup percentage and profit margins.