Science & Physics

16 In-Browser Tools

Physics mechanics, projectile motion, chemical molarity, pH, stoichiometry, genetics, and astronomy calculations. Zero cloud uploads — runs locally on your machine in volatile memory.

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Science & Physics

16 In-Browser Tools Private

Physics mechanics, projectile motion, chemical molarity, pH, stoichiometry, genetics, and astronomy calculations.

Projectile Motion Calculator

physics

Calculate maximum height, flight time, and horizontal range for 2D projectile trajectory in physics.

Solution Dilution Calculator (C1V1 = C2V2)

chemistry

Calculate stock solution and solvent volumes for laboratory dilutions using the standard C1V1 = C2V2 formula.

pH and pOH Calculator

chemistry

Calculate pH, pOH, hydrogen ion concentration [H+], and hydroxide concentration [OH-] at 25°C.

Kinematics & Momentum Physics Calculator

physics

Calculate velocity, displacement, momentum, and kinetic energy using Newton's laws of motion.

Ideal Gas Law Calculator (PV = nRT)

chemistry

Solve for Pressure, Volume, Moles, or Temperature in the Ideal Gas Law equation.

Molarity & Solution Molecular Weight Calculator

chemistry

Calculate the exact solute mass required to prepare specific molarity solutions in chemistry.

Radioactive Half-Life & Exponential Decay Calculator

physics

Calculate remaining radioactive activity, half-lives elapsed, and decay constant.

Cosmic Distances & Light-Travel Lookback Time Calculator

astronomy

Convert astronomical distances and calculate light-travel lookback time.

DNA/RNA GC-Content & Oligo Melting Temp (Tm) Calculator

biology

Analyze nucleotide sequences for GC%, molecular weight, and PCR primer annealing Tm.

Projectile Trajectory & Kinematics Calculator

physics

Simulate 2D projectile trajectory mechanics: maximum height, total flight time, range, and impact velocity.

pH & pOH Acid-Base Concentration Calculator

chemistry

Interconvert between pH, pOH, hydronium [H⁺], and hydroxide [OH⁻] concentrations at 25°C standard conditions.

Snell's Law of Refraction & Critical Angle Calculator

optics

Calculate angle of refraction (θ₂), refractive indices (n₁, n₂), and total internal reflection critical angle.

Kepler's Third Law & Orbital Velocity Calculator

astronomy

Compute orbital period (T), semi-major axis (a), and circular orbital velocity around stars and planets.

Bacterial Growth & Doubling Time Calculator

biology

Model exponential bacterial culture replication, generation time (g), doubling count, and colony size.

Ideal Gas Law Calculator (PV = nRT)

Solve for Pressure (P), Volume (V), Moles (n), or Temperature (T) of ideal gases using universal gas constant R.

Radioactive Decay & Half-Life Calculator

Calculate remaining radioactive isotope activity, elapsed half-life cycles, and decay constant λ.