Science Calculators — figured.fyi

3 Phase Motor Amperage Calculator

Calculate 3 phase motor amperage from power, voltage, and efficiency. Get precise current draw for electrical design and motor selection.

Acceleration Calculator

Calculate acceleration from velocity change and time. Instantly find how fast an object speeds up or slows down in m/s², g-force, or mph/s.

Acceleration Calculator

Calculate acceleration from velocity change and time, or find velocity and time from acceleration values. Enter initial velocity, final velocity, and time to...

Activation Energy Calculator

Calculate activation energy from reaction rate constants at different temperatures. Enter rate constants and temperatures to find the energy barrier for chem...

Air Density Calculator

Calculate air density from temperature, pressure, and humidity. Instantly see how altitude and weather conditions affect air density for your application.

Angle of Refraction Calculator

Calculate how light bends when passing between materials using Snell's law. Find the angle of refraction for optical design, lens calculations, and physics p...

Angular Acceleration Calculator

Calculate angular acceleration from change in angular velocity and time. Instant result in rad/s² with torque and moment of inertia options.

Aperture Area Calculator

Calculate the light-collecting area of any circular aperture — telescope, camera lens, or antenna — instantly from diameter or f-ratio.

Arrow Speed Calculator

Calculate arrow speed using the IBO standard formula. Enter bow draw weight, draw length, and arrow weight to find FPS instantly.

Average Atomic Mass Calculator

Calculate weighted average atomic mass from isotope masses and abundances. Essential for chemistry students and lab work requiring precise atomic mass values.

Bending Stress Calculator

Calculate bending stress in beams and structural members. Enter load, beam dimensions, and material properties to determine maximum stress values.

Bolt Torque Calculator

Calculate the correct tightening torque for any metric bolt by grade, diameter, and lubrication. Get clamping force and stress area instantly.

Boyles Law Calculator

Calculate pressure and volume relationships using Boyle's Law. Enter initial conditions and one final value to find the unknown variable in gas compression.

Buffer Solution Calculator

Calculate buffer solution pH using Henderson-Hasselbalch equation. Enter acid/base concentrations and pKa to find exact pH for your chemistry lab or research.

Calibration Curve Calculator

Enter your standard concentrations and instrument responses to get a calibration equation, R-squared, and unknown concentration instantly.

Capacitor Charge Time Calculator

Calculate exactly how long a capacitor takes to charge to your target voltage given resistance, capacitance, and supply voltage.

Capacitor Energy Calculator

Calculate the energy stored in a capacitor using capacitance and voltage. Enter your values to see stored energy in joules instantly.

Centrifuge Speed Calculator

Convert between centrifuge RPM and RCF (g-force) instantly. Enter rotor radius and spin speed to get the g-force your sample actually experiences.

Charles Law Calculator

Calculate gas volume or temperature changes using Charles Law. Enter initial values and one final value to find the unknown property.

Chemistry Calculator

Calculate moles, molar mass, molarity, and solution concentrations instantly. Enter your compound and quantity to get lab-ready answers.

Concentration Calculator

Calculate solution concentration in molarity, percent, or ppm. Enter solute and solvent amounts to get your answer instantly.

Copper Wire Weight Calculator

Calculate the weight of copper wire by length and gauge. Essential for electrical contractors estimating material costs and load planning.

Crawl Ratio Calculator

Calculate your vehicle's crawl ratio from transfer case, transmission, and axle gear ratios. Find out if your 4x4 is geared low enough for the trail.

Crude Protein Calculator

Calculate crude protein content from nitrogen percentage using the Kjeldahl method. Get instant results for feed, food, or soil samples.

Cryptocurrency Footprint Calculator

Calculate the carbon footprint and energy consumption of your cryptocurrency mining or trading activities. Estimate environmental impact in kWh and CO2 emiss...

Cube Density Calculator

Find the density of any cube-shaped object. Enter side length and mass to instantly calculate density in g/cm3 or kg/m3.

Damping Ratio Calculator

Calculate the damping ratio of a vibrating system from mass, stiffness, and damping coefficient. Find out if your system is under, over, or critically damped.

Decibel Calculator

Calculate sound intensity in decibels from power or intensity values. Convert between dB, power ratios, and intensity levels for audio engineering.

Density Calculator

Calculate density, mass, or volume instantly. Enter any two values to find the third. Useful for materials, liquids, and science homework.

Density Altitude Calculator

Calculate density altitude from field elevation, temperature, and altimeter setting. Know if your aircraft can safely take off before you taxi out.

Density Calculator

Calculate density using mass and volume with our free density calculator. Get instant results for materials, liquids, and solids with step-by-step examples.

Density Cylinder Calculator

Calculate the density of a cylindrical object from its mass, radius, and height. Instant result with volume breakdown.

Density to Weight Calculator

Calculate weight from density and volume. Enter material density and dimensions to find total weight for shipping, construction, or material planning.

Detention Time Calculator

Calculate hydraulic detention time for water treatment systems, settling tanks, and flow-through reactors. Essential for process design and regulatory compli...

Diffraction Calculator

Calculate diffraction patterns and angles for light waves passing through slits. Find wave interference positions for physics experiments and optical design.

Doppler Effect Calculator

Calculate the observed frequency when a sound source and observer move relative to each other. Instant Doppler shift with metric or imperial speeds.

Electric Field Calculator

Calculate electric field strength from charge and distance. Enter point charge and position to get field intensity in N/C instantly.

Electromagnetic Spectrum Calculator

Calculate frequency, wavelength, and energy for any electromagnetic radiation. Enter any one value to find the other two across the entire spectrum.

Electron Configuration Calculator

Find the electron configuration of any element instantly. Enter atomic number or symbol to see orbital filling, valence electrons, and block placement.

Electron Speed Calculator

Calculate how fast an electron moves given its kinetic energy or accelerating voltage. Instant result with relativistic correction.

Engineering Calculation Software

Calculate beam deflection, stress analysis, and load capacity for structural engineering projects. Get precise engineering calculations with safety factors a...

Engineering Tool

Calculate engineering parameters for design projects. Get precise measurements for structural, mechanical, and electrical engineering applications.

Entropy Calculator

Calculate thermodynamic entropy changes using temperature and heat values. Enter initial and final temperatures with heat absorbed to see entropy change in J/K.

Entropy Change Calculator

Calculate entropy change in thermodynamic processes. Enter initial and final temperatures, heat capacity, or use the Boltzmann formula for molecular systems.

Escape Velocity Calculator

Calculate the minimum velocity needed to escape any celestial body's gravitational pull. Enter mass and radius to find escape velocity in km/s.

Evaporation Rate Calculator

Calculate how fast water or liquid evaporates based on surface area, temperature, humidity, and airflow. Get results in liters or gallons per day.

Flywheel Energy Storage Calculator

Calculate energy storage capacity and power output of flywheel systems. Design mechanical energy storage for backup power, grid stabilization, and industrial...

Focal Length Calculator

Calculate lens focal length using object distance and image distance. Essential for optics, photography, and physics applications.

Foot Pounds of Energy Calculator

Calculate kinetic energy in foot-pounds for projectiles and moving objects. Input weight and velocity to determine muzzle energy for ballistics, impact force...

Force Calculator

Calculate force, mass, or acceleration using Newton's second law. Enter any two values to instantly solve for the third.

Free Fall Height Calculator

Calculate how far an object falls in free fall given time, or find fall time given height. Includes air resistance effects and safety margins for real-world ...

Free Fall Time Calculator

Calculate how long an object takes to fall from any height. Enter drop height to find fall time, final velocity, and impact speed instantly.

Free Space Path Loss Calculator

Calculate free space path loss between antennas to determine signal strength degradation over distance. Essential for RF link planning and wireless system de...

Frequency Calculator

Calculate wave frequency from wavelength and wave speed. Enter wavelength in meters and speed in m/s to get frequency in Hz instantly.

Gas Density Calculator

Calculate gas density from pressure, temperature, and molar mass using the ideal gas law. Instant results for air, CO2, methane, and custom gases.

Gas Law Calculator

Calculate any gas property using the ideal gas law. Enter pressure, volume, temperature, and moles to find the missing variable in PV=nRT equations.

Gibbs Free Energy Calculator

Calculate Gibbs free energy to predict if chemical reactions occur spontaneously. Enter enthalpy, entropy, and temperature to see the energy change.

Gold Weight Calculator

Calculate the weight of gold objects by dimensions or find dimensions from weight. Convert between karats, get market value estimates.

Grams Cc Calculator

Convert between grams and cubic centimeters instantly. Enter mass and density to find volume, or volume and density to find mass.

Gravitational Force Calculator

Calculate gravitational force between two objects. Enter masses and distance to find the attractive force in Newtons using Newton's law of universal gravitat...

Gravitational Potential Energy Calculator

Calculate gravitational potential energy from mass, height, and gravity. Enter your values to see the stored energy in joules and understand energy fundament...

Gravitational Time Dilation Calculator

Calculate how gravity affects time passage between different locations. Find the time difference experienced at varying altitudes and gravitational fields.

Hair Diffraction Calculator

Calculate hair thickness using laser diffraction patterns. Enter laser wavelength and diffraction angle to measure hair diameter with physics precision.

Half Life Calculator

Calculate radioactive decay, remaining quantity, and elapsed time using half-life. Enter any two values to solve for the third instantly.

Half-Life Calculator

Calculate radioactive decay half-life, remaining quantity, and elapsed time. Free online half-life calculator with step-by-step explanations.

Hydraulic Retention Time Calculator

Calculate hydraulic retention time (HRT) for wastewater treatment systems. Enter reactor volume and flow rate to determine water residence time in hours or d...

Ideal Gas Law Calculator

Calculate pressure, volume, temperature, or moles of gas using the ideal gas law PV=nRT. Enter three known values to find the fourth.

Immersed Weight Calculator

Calculate the apparent weight of objects submerged in water or other fluids. Essential for diving, marine engineering, and underwater operations planning.

Index of Refraction Calculator

Calculate the index of refraction from light speed in different materials. Determine how much light bends when passing between media for optics design.

Kinetic Energy Calculator

Calculate kinetic energy from mass and velocity instantly. Switch between metric and imperial units. See results in joules, kilojoules, and watt-hours.

Kva to Amperage Calculator

Convert kVA to amperage instantly. Calculate current draw for single-phase and three-phase electrical systems. Get accurate amp ratings for generators, trans...

LED Lighting Savings Calculator

Calculate energy savings and cost reduction from switching to LED bulbs. Compare electricity costs, lifespan, and total savings over time.

Maximum Height Projectile Motion Calculator

Calculate the maximum height a projectile reaches given initial velocity and launch angle. Instantly determine peak altitude for physics problems and real-wo...

Mixing Ratio Calculator

Calculate the mixing ratio of two substances by volume, mass, or parts. Get exact proportions instantly for coatings, adhesives, chemicals, and more.

Molar Mass Calculator

Calculate the molar mass of any chemical compound. Enter your chemical formula and get the molecular weight in grams per mole instantly.

Molar Ratio Calculator

Find the molar ratio between two substances in a chemical reaction. Enter moles or grams and get the exact stoichiometric ratio instantly.

Molarity Calculator

Calculate solution molarity from solute mass and volume. Enter grams, molecular weight, and solution volume to get molar concentration instantly.

Mole Fraction Calculator

Calculate mole fraction of components in chemical mixtures. Enter moles of each component to find composition ratios for solutions, gas mixtures, and reactions.

Molecular Weight Calculator

Calculate molecular weight from chemical formula. Enter any compound like H2O, C6H12O6, or NaCl to get precise molecular mass for chemistry calculations.

Momentum Calculator

Calculate momentum by entering mass and velocity. Get instant results with momentum formulas and physics calculations for any moving object.

Nuclear Binding Energy Calculator

Calculate nuclear binding energy from atomic mass, protons, and neutrons. Find how much energy holds the nucleus together using Einstein's mass-energy equiva...

Orbital Period Calculator

Calculate how long it takes any object to orbit around another body. Enter orbital radius or altitude - get orbital period in days, hours, or years for satel...

Parallel Resistor Calculator

Calculate total resistance of resistors in parallel circuits. Enter individual resistor values to get equivalent parallel resistance instantly.

pH Calculator

Calculate pH from hydrogen ion concentration or convert pH to pOH instantly. Easy-to-use pH calculator for chemistry students and professionals.

Physics Calculator

Calculate force, acceleration, velocity, energy, and more using core physics equations. Enter your known values and get instant answers.

Physics Calculator Online

Calculate force, velocity, acceleration, energy, or power instantly. Enter your known values and get the missing physics quantity in seconds.

Pipe Flow Calculator

Calculate pipe flow rate, velocity, and pressure drop using the Hazen-Williams equation. Free engineering calculator for water pipe sizing.

Pipe Volume Calculator

Calculate pipe volume in gallons or litres with our free pipe volume calculator. Enter pipe diameter and length to get instant results for plumbing and engin...

Pipe Weight Calculator

Calculate pipe weight for steel, aluminum, and PVC pipes. Enter outer diameter, wall thickness, and length to get accurate weight in kg or lbs.

Potential Energy Calculator

Calculate gravitational potential energy instantly. Enter mass, height, and gravity to find stored energy in joules, kilojoules, or kilowatt-hours.

Pounds Per Minute Calculator

Calculate flow rate in pounds per minute from volume flow and density. Essential for industrial processes, chemical engineering, and manufacturing operations.

Pounds Per Square Inch Calculator

Calculate pounds per square inch (PSI) from force and area measurements. Essential for pressure calculations in engineering, automotive, and HVAC applications.

Power to Weight Ratio Calculator

Calculate power-to-weight ratio for vehicles, aircraft, and equipment. Compare performance potential across different machines with instant calculations.

Pressure Calculator

Calculate pressure using force and area. Enter force in Newtons and area in square meters to get pressure in Pascals. Includes common pressure unit conversions.

Projectile Motion Calculator

Calculate projectile motion with initial velocity, angle, and height. Get range, maximum height, flight time, and trajectory instantly.

Protein Solubility Calculator

Estimate protein solubility in aqueous solution using pH, ionic strength, and temperature. Get a clear solubility prediction in under a minute.

Reaction Time Calculator

Calculate your average reaction time from multiple test attempts. Track your reflexes for sports, driving, gaming, or cognitive assessment with statistical a...

Redshift Calculator

Calculate redshift and recession velocity of distant galaxies. Enter observed wavelength and rest wavelength to determine how fast objects are moving away fr...

Reverberation Time Calculator

Calculate reverberation time (RT60) for any room using volume and absorption. Get optimal RT60 values for recording studios, concert halls, and meeting spaces.

Reynolds Number Calculator

Calculate the Reynolds number for any fluid flow. Enter velocity, pipe diameter, and fluid properties to determine if flow is laminar or turbulent.

Science Solver

Solve common science equations instantly. Pick a formula, enter your known values, and get the missing variable with full working shown.

Snells Law Calculator

Calculate angle of refraction using Snell's law. Enter incident angle and refractive indices to find how light bends when crossing material boundaries.

Space Travel Calculator

Calculate travel time, fuel requirements, and energy costs for space missions to planets, moons, and distant destinations using real orbital mechanics.

Speed Distance Time Calculator

Free speed distance time calculator. Solve for speed, distance, or time using any two known values. Supports mph, km/h, m/s, miles, km, and more.

Stress Concentration Factor Calculator

Calculate stress concentration factor (Kt) for various geometric features in mechanical engineering. Essential for failure analysis and design optimization.

Tap Water Calculator

Find out how much tap water costs versus bottled water, and how much plastic waste you generate each year. Enter your usage to see real numbers.

Thrust Weight Calculator

Calculate thrust-to-weight ratio for aircraft, rockets, and vehicles. Determine acceleration performance and design limits with precise engineering calculati...

Time Dilation Calculator

Calculate how much time slows down at high speeds or in gravitational fields. Find the time difference between moving observers and stationary frames.

Time of Flight Projectile Motion Calculator

Calculate how long a projectile stays airborne given launch speed, angle, and height. Get range, max height, and impact velocity instantly.

Titration Calculator

Calculate unknown concentration or volume in acid-base titrations. Enter your known values and get the missing quantity instantly.

Titration Calculator

Calculate molarity, volume, or concentration in acid-base titrations. Enter known values to find the unknown quantity using the titration equation.

Water Demand Calculator

Calculate daily water demand for households, buildings, or small developments. Enter occupants and usage factors to get your estimate in gallons per day.

Water Hardness Calculator

Convert water hardness between ppm, gpg, and mmol/L instantly. Find out if your water is soft, moderate, hard, or very hard.

Watt Hours Calculator

Calculate watt hours to find device energy consumption, battery runtime, or electricity costs. Enter watts and hours for instant energy calculations.

Wave Frequency Calculator

Calculate wave frequency from wavelength and wave speed. Free physics calculator for electromagnetic waves, sound waves, and mechanical vibrations.

Wave Speed Calculator

Calculate wave speed using frequency and wavelength. Physics wave calculator for sound waves, electromagnetic waves, and mechanical waves in any medium.

Wavelength Calculator

Calculate wavelength from frequency and wave speed. Enter frequency in Hz and wave speed in m/s to find the wavelength of any wave type.

Wavelength Frequency Calculator

Calculate wave frequency from wavelength and speed, or find wavelength from frequency. Enter any two values to solve for the third using the wave equation.

Weight Other Planets Calculator

Calculate your weight on other planets and moons. Enter your Earth weight to see how gravity affects your weight across the solar system.