Science Calculators
Free online physics and chemistry calculators for force, energy, motion, waves, molarity, pH, ideal gas law, and more. Instant science results in your browser.
Physics โ Mechanics
Speed Distance Time Calculator
Solve for speed, distance, or time using the classic motion equation โ enter any two values to find the third instantly.
Open tool โAcceleration Calculator
Find acceleration from change in velocity and time, or from force and mass โ supports m/sยฒ and g-force units.
Open tool โForce Calculator
Calculate force from mass and acceleration (F = ma) or from momentum change โ newtons, pounds-force, and dyne support.
Open tool โMomentum Calculator
Calculate linear momentum p = mv and impulse from force and time โ essential for collision and impact analysis.
Open tool โKinetic Energy Calculator
Compute kinetic energy KE = ยฝmvยฒ from mass and speed โ joules, kilojoules, and calorie equivalents.
Open tool โPotential Energy Calculator
Calculate gravitational potential energy PE = mgh โ height, mass, and custom gravity for Earth, Moon, or other bodies.
Open tool โWork Calculator
Calculate mechanical work W = Fd cos ฮธ from force, distance, and angle โ links force to energy transfer.
Open tool โProjectile Motion Calculator
Solve projectile trajectories โ range, max height, flight time, and landing velocity from launch speed and angle.
Open tool โPendulum Calculator
Calculate simple pendulum period and frequency from length and gravity โ ideal for clocks and physics labs.
Open tool โFriction Calculator
Compute static and kinetic friction forces from normal force and coefficient ฮผ โ inclined plane support included.
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Physics โ Waves & Thermodynamics
Wave Speed Calculator
Calculate wave speed v = fฮป from frequency and wavelength โ sound, light, and water wave applications.
Open tool โSpecific Heat Calculator
Calculate heat energy Q = mcฮT from mass, specific heat capacity, and temperature change.
Open tool โThermal Expansion Calculator
Estimate linear expansion ฮL = ฮฑLโฮT for solids โ bridge gaps, pipe stress, and precision machining.
Open tool โPressure Calculator
Calculate pressure P = F/A and hydrostatic P = ฯgh โ pascals, bar, psi, and atm conversions built in.
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Chemistry
Molar Mass Calculator
Calculate molar mass from chemical formula โ sum atomic masses for stoichiometry and lab prep.
Open tool โMolarity Calculator
Calculate molarity M = n/V โ moles per liter for solution prep, titration, and concentration problems.
Open tool โDilution Calculator
Apply CโVโ = CโVโ to dilute stock solutions โ find final concentration or required volumes.
Open tool โpH Calculator
Calculate pH from Hโบ concentration for strong acids and bases โ logarithmic scale from 0 to 14.
Open tool โIdeal Gas Law Calculator
Solve PV = nRT for pressure, volume, moles, or temperature โ ideal gas behavior at moderate conditions.
Open tool โHalf-Life Calculator
Calculate remaining quantity, elapsed time, or half-life from exponential decay N = Nโ(ยฝ)^(t/tยฝ).
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