Engineering

Acceleration Calculator

Free Acceleration Calculator. Compute uniform linear acceleration a = (v - v0)/t, distance, and experienced G-force.

Engineering

Allowable Stress Calculator

allowable stress calculator allowable design stress from material yield or ultimate strength and factor of safety. Accurate engineering calculator for allowable stress (sigma_allow = sigma_limit / FOS).

Engineering

Angular Velocity Calculator

Free Angular Velocity Calculator. Compute angular speed omega = v / r, RPM, radians/second, and centrifugal acceleration.

Engineering

Axial Stress Calculator

axial stress calculator normal stress from applied axial load and cross-sectional area. Accurate engineering calculator for axial stress (sigma = F / A).

Engineering

Beam Deflection Calculator

Free Beam Deflection Calculator. Computes maximum central deflection, slope, bending moment, and flexural stress for structural engineering beams.

Engineering

Bending Stress Calculator

Calculate flexural bending stress in structural beams (sigma = M*y / I = M / S) across rectangular, circular, and standard I-beam cross sections.

Engineering

Bernoulli's Equation Calculator

bernoulli's equation calculator fluid pressure, velocity, and elevation head from conservation of energy. Accurate engineering calculator for Bernoulli's equation (P1 + 0.5*rho*v1^2 + rho*g*z1 = P2 + 0.5*rho*v2^2 + rho*g*z2).

Engineering

Bulk Modulus Calculator

bulk modulus calculator volumetric elasticity from hydrostatic pressure and volume change. Accurate engineering calculator for bulk modulus (K = Delta P / (Delta V / V0)).

Engineering

Buoyancy Calculator

buoyancy calculator Archimedes' principle buoyant force from fluid density and submerged volume. Accurate engineering calculator for buoyant force (Fb = rho * V * g).

Engineering

Carnot Efficiency Calculator

Free Carnot Efficiency Calculator. Compute maximum thermal cycle efficiency (eta = 1 - Tc/Th) in Kelvin and Celsius.

Engineering

Center of Gravity Calculator

Free Center of Gravity Calculator. Compute 2D center of mass coordinates Xcg = sum(m_i * x_i)/sum(m_i) for structural assemblies.

Engineering

Centrifugal Force Calculator

Free Centrifugal Force Calculator. Compute centrifugal thrust Fc = m * omega^2 * r, experienced G-force, and centrifuge RCF.

Engineering

Centripetal Force Calculator

Calculate centripetal force (F_c = m*v^2 / r) and centripetal acceleration (a_c = v^2 / r = omega^2 * r) for rotating machinery and orbital trajectories.

Engineering

Column Buckling Calculator

Calculate Euler's critical buckling load (P_cr = pi^2 * E * I / (K*L)^2) and critical buckling stress for slender structural compression columns.

Engineering

Compressive Stress Calculator

compressive stress calculator normal compressive stress from applied load and cross-sectional area. Accurate engineering calculator for compressive stress (sigma_comp = F_comp / A).

Engineering

Concrete Volume Calculator

Free Concrete Volume Calculator. Compute concrete cubic yards, cubic meters, pre-mixed bag quantities, and total weight.

Engineering

Conduction Heat Transfer Calculator

conduction heat transfer calculator conductive heat rate Fourier's Law from thermal conductivity, area, temperature difference, and wall thickness. Accurate calculator (Q/t = k*A*dT/d).

Engineering

Convection Heat Transfer Calculator

convection heat transfer calculator Newton's law of cooling heat rate Q from convection coefficient h, area A, and temperature difference. Accurate engineering calculator (Q = h * A * dT).

Engineering

Density Calculator

density calculator using mass and volume. Accurate materials & engineering calculator for mass density (rho = m/V) & specific gravity.

Engineering

Distance Calculator

distance calculator using speed and time. Calculate total linear distance, kinematic displacement, braking distance, and travel trajectories.

Engineering

Elastic Modulus Calculator

elastic modulus calculator Young's modulus from tensile stress and axial strain. Accurate materials & engineering calculator for Young's modulus (E = sigma / epsilon).

Engineering

Electrical Power Calculator

Free Electrical Power Calculator. Compute real power (kW), apparent power (kVA), reactive power (kVAR), and operating current.

Engineering

Energy Calculator

Calculate kinetic energy (KE = 0.5*m*v^2), gravitational potential energy (PE = m*g*h), and mechanical energy with SI and imperial units.

Engineering

Engineering Unit Converter

engineering unit conversion calculator. Accurate engineering calculator for force, pressure, energy, power, torque & viscosity.

Engineering

Factor of Safety Calculator

Calculate structural design Factor of Safety (FoS = Ultimate Strength / Working Stress or FoS = Yield Strength / Allowable Load) for engineering components.

Engineering

Flexural Modulus Calculator

flexural modulus calculator 3-point bending stiffness from force, span length, specimen width, depth, and mid-span deflection. Accurate engineering calculator (Ef = F*L^3 / 4*b*d^3*delta).

Engineering

Flow Rate Calculator

flow rate calculator volumetric flow rate from cross-sectional area or pipe diameter and fluid velocity. Accurate engineering calculator for flow rate (Q = A * v).

Engineering

Fluid Pressure Calculator

Calculate hydrostatic fluid pressure (P = rho * g * h) and absolute total pressure across water, seawater, oil, and mercury at varying submerged depths.

Engineering

Force and Acceleration Calculator

Free Newton's Second Law Calculator. Compute net force F = m * a, acceleration, mass, and equivalent weight.

Engineering

Force Calculator

force calculator using mass and acceleration. Accurate physics & engineering calculator for Newton's 2nd Law (F = m*a).

Engineering

Friction Calculator

Calculate static and kinetic friction force (F_f = mu * N) or determine required normal force and friction coefficient across metric and imperial units.

Engineering

Friction Loss Calculator

Free Friction Loss Calculator. Compute static and kinetic friction force Ff = mu * N, normal force, and thermal power loss.

Engineering

Gear Ratio Calculator

Free Gear Ratio Calculator. Computes gear reduction ratios, input/output speeds, mechanical advantage, and torque multiplication.

Engineering

Heat Capacity Calculator

heat capacity calculator heat capacity C from added thermal energy Q and temperature difference deltaT. Accurate engineering calculator for heat capacity (C = Q / dT).

Engineering

Heat Energy Calculator

heat energy calculator sensible heat transfer from mass, specific heat capacity, and temperature difference. Accurate engineering calculator for thermal energy (Q = m * c * dT).

Engineering

Heat Flux Calculator

heat flux calculator thermal energy rate per unit surface area q from heat rate Q and area A. Accurate engineering calculator for heat flux (q = Q / A).

Engineering

Heat Transfer Calculator

Free Heat Transfer Calculator. Compute conductive heat flow Q = (k * A * dT) / d, thermal resistance, and heat flux.

Engineering

Hooke's Law Calculator

hooke's law calculator spring force and displacement. Accurate physics & engineering calculator for Hooke's Law (F = k*x).

Engineering

Horsepower Calculator

Accurately calculate mechanical horsepower (HP = (Torque * RPM) / 5252), kilowatts (kW), and metric PS horsepower.

Engineering

Hydraulic Cylinder Force Calculator

Calculate extension and retraction hydraulic thrust forces, rod effective area, and fluid requirements accurately.

Engineering

Impulse Calculator

Calculate mechanical impulse (J = F * delta_t = delta_p) and impact collision forces from contact duration and momentum change.

Engineering

Kinetic Energy Calculator

Free Kinetic Energy Calculator. Compute translational kinetic energy, equivalent TNT energy, stopping distance, and impact work.

Engineering

Latent Heat Calculator

latent heat calculator phase transformation thermal energy Q from mass and specific latent heat L. Accurate engineering calculator for latent heat (Q = m * L).

Engineering

Linear Expansion Calculator

linear expansion calculator thermal elongation from initial length, expansion coefficient, and temperature change. Accurate engineering calculator for linear expansion (dL = alpha * L0 * dT).

Engineering

Machining Speed and Feed Calculator

Free Speeds and Feeds Calculator. Compute milling & turning RPM = (Vc * 1000)/(pi * D), feed rate, and MRR.

Engineering

Mass Calculator

mass calculator from density and volume. Accurate engineering calculator for component mass, volume & material weight.

Engineering

Modulus of Elasticity Calculator

modulus of elasticity calculator Young's modulus E from tensile load, gauge length, area, and elongation. Accurate engineering calculator for Young's modulus (E = F*L0 / A0*dL).

Engineering

Modulus of Rigidity Calculator

modulus of rigidity calculator shear modulus G from Young's modulus E and Poisson's ratio nu. Accurate engineering calculator for shear modulus (G = E / 2(1 + nu)).

Engineering

Moment of Inertia Calculator

Free Area Moment of Inertia Calculator. Calculate Ix = (b * h^3) / 12, Iy, polar moment J, and elastic section modulus Z.

Engineering

Momentum Calculator

Free Momentum and Impulse Calculator. Calculate linear momentum p = m * v, impulse J = F * dt, and kinetic energy.

Engineering

Ohm's Law Calculator

Free Ohm's Law Calculator. Solve electrical circuits for voltage, current, resistance, and dissipated power instantly.

Engineering

Overall Heat Transfer Coefficient Calculator

overall heat transfer coefficient calculator U-factor from inside convection hi, wall conductivity k, thickness d, and outside convection ho. Accurate engineering calculator (U = 1 / (1/hi + d/k + 1/ho)).

Engineering

Pipe Flow Calculator

pipe flow calculator fluid velocity and pipe sizing from volumetric flow rate and internal diameter. Accurate engineering calculator for pipe velocity (v = 4Q / pi*D^2).

Engineering

Poisson's Ratio Calculator

poissons ratio calculator Poisson's ratio from transverse and longitudinal strain. Accurate engineering calculator for Poisson's ratio (nu = - epsilon_trans / epsilon_axial).

Engineering

Potential Energy Calculator

Free Potential Energy Calculator. Calculate gravitational potential energy PE = m * g * h and terminal free-fall impact velocity.

Engineering

Power Calculator

Calculate mechanical and electrical power (P = W / t = F * v) with multi-unit conversions across Watts, Kilowatts, Horsepower (HP), and BTU/hr.

Engineering

Pressure Calculator

Calculate pressure, force, or surface contact area (P = F / A) with conversion support across Pascals, PSI, bar, atmospheres, and mmHg.

Engineering

Pressure Vessel Design Calculator

Free ASME Pressure Vessel Calculator. Compute hoop stress sigma = (P * r) / t, longitudinal stress, and minimum wall thickness.

Engineering

Radiation Heat Transfer Calculator

radiation heat transfer calculator Stefan-Boltzmann net thermal radiation Q from surface emissivity, area, and absolute temperatures. Accurate engineering calculator (Q = epsilon * sigma * A * (T1^4 - T2^4)).

Engineering

Rebar Calculator

Free Rebar Calculator. Compute steel reinforcement tonnage, bar counts, grid spacing, and overlap splice allowances.

Engineering

Resistor Color Code Calculator

Free Resistor Color Code Calculator. Decode resistor color bands to nominal resistance, tolerance range, and PPM temperature coefficients.

Engineering

Retaining Wall Calculator

Free Retaining Wall Calculator. Calculate active lateral soil thrust Pa = 0.5 * Ka * gamma * H^2 and overturning stability.

Engineering

Reynolds Number Calculator

reynolds number calculator flow regime laminar or turbulent from density, velocity, diameter, and dynamic viscosity. Accurate engineering calculator for Reynolds Number (Re = rho*v*D / mu).

Engineering

Secant Modulus Calculator

secant modulus calculator secant stiffness Es from total stress and total strain. Accurate engineering calculator for secant modulus (Es = sigma / epsilon).

Engineering

Sensible Heat Calculator

sensible heat calculator sensible heat energy Q from mass, specific heat capacity, and temperature change. Accurate engineering calculator for sensible heat (Q = m * c * dT).

Engineering

Shear Modulus Calculator

shear modulus calculator modulus of rigidity from shear stress and shear strain. Accurate engineering calculator for shear rigidity (G = tau / gamma).

Engineering

Shear Stress Calculator

Free Shear Stress Calculator. Calculate direct and transverse shear stress tau = V / A for bolts, rivets, pins, and structural joints.

Engineering

Simple Harmonic Motion Calculator

Calculate oscillation period (T), frequency (f), angular frequency (omega), and displacement for mass-spring and simple pendulum systems.

Engineering

Slope Calculator

Free Slope Calculator. Calculate grade percentage, slope angle, rise/run ratios, ADA compliance, and embankment pitch.

Engineering

Specific Heat Calculator

Free Specific Heat Calculator. Calculate heat energy required to heat or cool materials (Q = m * c * dT) with thermodynamic precision.

Engineering

Speed Calculator

Calculate average speed, distance covered, or elapsed travel time with instant unit conversions between mph, km/h, m/s, ft/s, and knots.

Engineering

Spring Constant Calculator

Calculate spring stiffness (k = F / x), restoring force (F = -k*x), or spring displacement according to Hooke's Law across N/m, kN/m, and lbf/in.

Engineering

Spring Rate Calculator

Free Helical Spring Rate Calculator. Calculate spring stiffness k = (G * d^4)/(8 * D^3 * Na), deflection, and stored energy.

Engineering

Strain Calculator

Calculate engineering normal strain (epsilon = delta_L / L_0), true logarithmic strain, and percentage elongation across metric and imperial dimensions.

Engineering

Stress and Strain Calculator

Calculate engineering stress (sigma = F/A) and strain (epsilon = delta_L / L0) with instantaneous metric and imperial unit conversions.

Engineering

Stress Calculator

Calculate normal axial tensile/compressive stress (sigma = F / A) and shear stress (tau = V / A) across Pascals, MPa, GPa, PSI, and KSI.

Engineering

Tangent Modulus Calculator

tangent modulus calculator instantaneous non-linear stress-strain slope Et from stress increment and strain increment. Accurate engineering calculator for tangent modulus (Et = d_sigma / d_epsilon).

Engineering

Tensile Stress Calculator

tensile stress calculator normal tensile stress from pulling load and cross-sectional area. Accurate engineering calculator for tensile stress (sigma_tens = F_tens / A).

Engineering

Thermal Capacity Calculator

thermal capacity calculator total heat storage Cth from system mass and specific heat capacity. Accurate engineering calculator for thermal capacity (Cth = m * c).

Engineering

Thermal Conductivity Calculator

thermal conductivity calculator material conductivity from heat rate, thickness, area, and temperature difference. Accurate engineering calculator for thermal conductivity (k = Q*d / A*dT).

Engineering

Thermal Expansion Calculator

Free Thermal Expansion Calculator. Calculate linear elongation (dL = alpha * L * dT), volumetric changes, and thermal stress.

Engineering

Thermal Resistance Calculator

thermal resistance calculator R-value, U-factor, and thermal resistance from thickness and thermal conductivity. Accurate engineering calculator (R = d / k*A).

Engineering

Thermal Stress Calculator

Calculate thermal linear expansion (delta_L = alpha * L_0 * delta_T) and thermal stress in constrained members (sigma = E * alpha * delta_T).

Engineering

Time Calculator

time calculator using distance and speed. Calculate transit time, elapsed duration, speed duration, and acceleration transit.

Engineering

Torque Calculator

Free Torque Calculator. Computes rotational moment, imperial foot-pounds, mechanical horsepower, and angular work.

Engineering

Torsional Stress Calculator

Calculate maximum torsional shear stress (tau = T*r / J = T / Z_p) and angle of twist (theta = T*L / (J*G)) in solid and hollow circular drive shafts.

Engineering

Ultimate Tensile Strength Calculator

ultimate tensile strength calculator peak material breaking strength from maximum load and original specimen area. Accurate engineering calculator for UTS (UTS = Fmax / A0).

Engineering

Velocity Calculator

Free Velocity Calculator. Calculate average speed and instantaneous velocity v = d / t across metric, imperial, and nautical units.

Engineering

Voltage Drop Calculator

Free Voltage Drop Calculator compliant with NEC guidelines (under 3% branch circuits, 5% total system).

Engineering

Volume Calculator

volume calculator for engineering 3d shapes. Calculate 3D volume, fluid capacity, and surface area for cylinders, spheres, boxes, and pipes.

Engineering

Volumetric Expansion Calculator

volumetric expansion calculator cubic thermal expansion from initial volume, volumetric coefficient, and temperature change. Accurate engineering calculator for volume expansion (dV = beta * V0 * dT).

Engineering

Weight Calculator

weight calculator from mass. Accurate physics & engineering calculator for gravitational weight force (W = m*g).

Engineering

Work and Power Calculator

Free Work and Power Calculator. Compute mechanical work done W = F * d * cos(theta), power in Watts and Horsepower, and energy.

Engineering

Work Calculator

Calculate mechanical work done by a force acting over a displacement distance (W = F * d * cos(theta)) with SI and imperial energy units.

Engineering

Yield Strength Calculator

yield strength calculator material yield stress from yield load and original cross-sectional area. Accurate engineering calculator for yield strength (sigma_y = Fy / A0).

Engineering

Young's Modulus Calculator

Free Young's Modulus Calculator. Calculate material elastic modulus E = (F * L0)/(A * dL) and axial tensile stiffness.