Physics & Engineering
Professional-grade physics and engineering calculators for students and professionals. Calculate force, energy, resistance, and more.
Available Calculators
64 calculators in this category
Ohm's Law Calculator
Calculate voltage, current, resistance, or power using Ohm's Law with support for metric prefixes
Power Calculator
Calculate electrical power, voltage, current, or resistance using power equations with metric prefix support
Voltage Drop Calculator
Calculate voltage drop and percentage voltage loss in electrical circuits based on cable length, wire size, and conductor material
Torque Calculator
Calculate torque, force, or lever arm distance using the torque formula with angle support and unit conversions
Speed/Distance/Time Calculator
Calculate speed, distance, or time based on known values with support for multiple units and average pace
Acceleration Calculator
Calculate acceleration, final velocity, or time using kinematics equations with unit conversions
Force Calculator
Calculate force, mass, or acceleration using Newton's Second Law with gravity presets and unit conversions
Pressure Calculator
Calculate pressure, force, or area using the pressure formula with unit conversions for engineering applications
Density Calculator
Calculate density, mass, or volume with unit conversions and material reference comparisons
Work & Energy Calculator
Calculate work, kinetic energy, potential energy, or force using fundamental physics formulas
HVAC BTU Calculator
Calculate the required BTU for heating or cooling a room based on size, insulation, and climate factors
Heat Index Calculator
Calculate the 'feels like' temperature (heat index) based on air temperature and relative humidity
Decibel Calculator
Calculate sound levels in decibels (dB) based on intensity or power ratios with dB/dBm/dBW conversion
Spring Constant Calculator
Calculate spring constant, force, or displacement using Hooke's Law with unit conversions and step-by-step solutions
Projectile Motion Calculator
Calculate range, maximum height, time of flight, and velocity components for projectile motion with trajectory visualization
Current Calculator
Calculate electric current using Ohm's Law or power formulas with support for series and parallel circuits
Resistance Calculator
Calculate electrical resistance using Ohm's Law, material properties, or temperature adjustment with unit conversions
Conductivity Calculator
Calculate electrical conductivity from resistance, length, and cross-sectional area with temperature adjustment
Capacitance Calculator
Calculate capacitance from charge and voltage or parallel plate dimensions with dielectric material selection
Inductance Calculator
Calculate inductance of coils using voltage, flux linkage, or solenoid formulas with core material selection
RC Time Constant Calculator
Calculate the time constant (τ) of RC circuits and analyze capacitor charging/discharging behavior
RL Circuit Calculator
Calculate the time constant (τ) of RL circuits and analyze inductor current charging/discharging behavior
RLC Circuit Calculator
Calculate impedance, resonance frequency, and current in series and parallel RLC circuits at specific frequencies
Power Factor Calculator
Calculate power factor from real/reactive power or phase angle with quality rating and power triangle analysis
Transformer Turns Ratio Calculator
Calculate transformer turns ratio, secondary voltage, or secondary current for step-up and step-down transformers
Battery Runtime Calculator
Estimate battery runtime based on capacity, voltage, load, and efficiency for energy management
Battery Charging Time Calculator
Estimate the time required to fully charge a battery based on capacity, charging current, and efficiency
Solar Panel Output Calculator
Estimate the energy output of solar panels based on panel specifications, sunlight hours, and system efficiency
Wind Power Calculator
Calculate theoretical and practical wind turbine power output based on wind speed, rotor diameter, and efficiency
Mechanical Advantage Calculator
Calculate mechanical advantage from force or distance ratios with efficiency adjustment and machine type selection
Gear Ratio Calculator
Calculate gear ratio from teeth counts and determine output speed, torque multiplication, and mechanical advantage
RPM Calculator
Calculate rotational speed (RPM) from linear speed and diameter or through gear ratios with unit conversions
Three-Phase Power Calculator
Calculate real, reactive, and apparent power in Star (Wye) or Delta three-phase electrical systems
Angular Velocity Calculator
Calculate angular velocity from initial and final angles over a time interval with unit conversions
Angular Acceleration Calculator
Calculate angular acceleration from initial and final angular velocities over a time interval
Centripetal Force Calculator
Calculate centripetal force for circular motion using mass, radius, and linear or angular velocity
Moment of Inertia Calculator
Calculate moment of inertia for various shapes including cylinders, spheres, rods, and plates
Bending Stress Calculator
Calculate bending stress in beams from bending moment and section modulus with multiple cross-section types
Shear Stress Calculator
Calculate shear stress in beams, shafts, or structural members from applied shear force and cross-sectional area
Strain Calculator
Calculate axial strain from original length and change in length to analyze material deformation
Young's Modulus Calculator
Calculate elastic modulus from stress and strain to analyze material stiffness and elastic behavior
Bulk Modulus Calculator
Calculate bulk modulus to analyze material resistance to uniform compression in mechanical and fluid applications
Poisson's Ratio Calculator
Calculate Poisson's ratio to analyze the relationship between lateral and axial strain in materials
Thermal Expansion Calculator
Calculate linear, area, or volume expansion of materials due to temperature changes for engineering applications
Heat Transfer Rate Calculator
Calculate heat transfer rate via conduction, convection, or radiation for thermal engineering analysis
Thermal Resistance Calculator
Calculate thermal resistance of materials or multi-layer systems for heat flow and insulation analysis
Reynolds Number Calculator
Calculate Reynolds number to analyze laminar, transitional, or turbulent flow regimes in fluid mechanics
Flow Rate Calculator
Calculate volumetric and mass flow rates for pipes, channels, and ducts in fluid transport analysis
Bernoulli Equation Calculator
Calculate fluid pressure, velocity, or height using Bernoulli's principle for flow analysis
Pipe Friction Loss Calculator
Calculate pressure loss due to friction in pipes using Darcy-Weisbach equation for piping system design
Pump Power Calculator
Calculate required pump power for fluid systems based on flow rate, head, and efficiency
Hydraulic Pressure Calculator
Calculate hydraulic pressure using force and area or fluid depth for hydraulic system analysis
Pascal's Law Calculator
Calculate pressure transmission and force amplification in hydraulic systems using Pascal's principle
Boyle's Law Calculator
Calculate pressure-volume relationship for gases at constant temperature using Boyle's Law
Charles's Law Calculator
Calculate volume-temperature relationship for gases at constant pressure using Charles's Law
Entropy Calculator
Calculate entropy change of a system to analyze disorder and energy distribution in thermodynamic processes
Specific Heat Capacity Calculator
Calculate specific heat capacity of a substance to analyze thermal properties and energy requirements
Enthalpy Calculator
Calculate system enthalpy to analyze energy content and heat transfer in thermodynamic processes
Efficiency Calculator
Calculate machine or process efficiency to analyze energy conversion effectiveness in physics and engineering
Signal Frequency Calculator
Calculate signal frequency from period or wavelength to analyze wave behavior, oscillations, and signal processing
Wavelength Calculator
Calculate wavelength from wave speed and frequency for analyzing wave properties in physics, optics, and communication systems
Wave Speed Calculator
Calculate wave speed from wavelength and frequency for analyzing wave propagation in physics, acoustics, and communication systems
Resonant Frequency Calculator
Calculate natural oscillation frequency for mechanical systems and LC circuits in physics and electronics applications
Sound Intensity Calculator
Calculate acoustic intensity and sound level in decibels from sound power and distance for audio engineering analysis