Math & Science Calculators

Explore the laws of the universe. Tools for Physics, Chemistry, Mathematics, and Engineering.

Scientific Calculator

Advanced math functions including trigonometry (sin/cos), logs, and exponents.

Percentage Calc

Calculate percentage increases, decreases, and reverse percentages instantly.

Solve for Voltage (V), Current (I), and Resistance (R).

Pythagorean Theorem

Find the hypotenuse or legs of a right triangle (a² + b² = c²).

Density Calculator

Calculate Mass, Volume, and Density (p=m/v) for physics problems.

Determine energy of motion ($KE = 0.5mv^2$) based on mass and velocity.

P-Value Calculator

Calculate statistical significance from Z-score or T-score values.

Compute Log (base 10), Natural Log (ln), and Binary Log (base 2).

Scientific Notation

Convert large decimals into standard form and E-notation.

Slope Calculator

Find slope, distance, and linear equation from two coordinates.

Calculate terminal velocity and time to impact with air resistance.

Newton's 2nd Law

Calculate Force, Mass, or Acceleration (F=ma) instantly.

Atom Calculator

Find protons, neutrons, and electrons for any isotope.

Average Calculator

Calculate Mean, Median, Mode, and Range for any data set.

Power to Weight

Calculate ratios for cars (hp/lb) and cyclists (W/kg).

Molecular Weight

Find the molar mass of any chemical formula (e.g. H2O).

Calculate velocity, distance, or time using physics formulas.

Acceleration Calc

Find rate of speed change and calculate G-forces.

Calculate projectile motion duration and trajectory arc.

Planetary Weight

Find out how much you would weigh on Mars, Moon, or Jupiter.

Calculate spring force, constant, and displacement.

Stress Calculator

Calculate engineering stress (Force per Area).

Calculate the electric force between two charged particles.

Calculate induced voltage (EMF) from magnetic flux change.

Calculate air density (Rho) based on temperature and pressure.

Calculate rotational acceleration using kinematics or torque.

Convert mass to moles using molar mass. Stoichiometry helper.

Standard Deviation

Calculate Variance and SD for Sample and Population data sets.

Calculate radioactive decay time or remaining substance amount.

Potential Energy

Calculate Gravitational Potential Energy (PE = mgh).

Centripetal Force

Calculate the force required to keep an object moving in a circle.

Calculate linear momentum (p = mv) and kinetic energy.

Calculate Percent Error and measurement accuracy.

Calculate probability of heads/tails using binomial distribution.

Calculate true FPS and kinetic energy for archery.

Calculate Impulse using Force/Time or Change in Momentum.

Gravitational Force

Calculate attraction force between two masses (Newton's Law).

Pendulum Period

Calculate period and frequency of a simple pendulum.

Calculate speed of sound in air based on temperature.

Calculate pulley belt length and center distance.

Calculate recursive sum of digits for any number.

Find Greatest Common Divisor and Least Common Multiple.

Calculate electric field strength of a point charge.

Resultant Force

Calculate net force and direction from two vectors.

Calculate average atomic mass from isotopes and abundance.

Perform modular exponentiation for cryptography math.

Find Vertex, Focus, and Directrix of a quadratic equation.

Equilibrium Const.

Calculate Kc for chemical reactions given concentrations.

Calculate dimensions using the divine proportion (Phi).

Solve right triangles using Sine, Cosine, and Tangent.

Find the angle between two 2D or 3D vectors using dot product.

Calculate Area, Perimeter, and Diagonal of a rectangle.

Calculate Circle Area, Radius, and Diameter from Circumference.

Rectangle Diagonal

Calculate diagonal length using width and height.

Calculate total heat content (H) using Internal Energy and Pressure.

Calculate gear ratios and output speed (RPM).