⚙️ Mechanical Engineering
Mechanical Engineering Calculators
Torque & power, gearbox ratios, rolling bearing life (L10), belt drives, column buckling (Euler), linear actuator sizing and bolt tightening torque.
⚡ Quick answer
INDUGRID provides 8 free Mechanical Engineering engineering calculators for professional use. Torque & power, gearbox ratios, rolling bearing life (L10), belt drives, column buckling (Euler), linear actuator sizing and bolt tightening torque.
Torque, Power & Speed
Calculate shaft torque, mechanical power and rotational speed. The fundamental relationship for any …
P [W] = T [N·m] × ω [rad/s] = T × 2π × n/60 | T = 9550 × P[kW] / n[rpm]
Gearbox & Belt Drive Calculations
Calculate gear ratio, output speed, output torque and efficiency for gearboxes, belt drives and chai…
i = n_in / n_out = T_out / T_in | P_out = P_in × η
Rolling Bearing Life (L10) Calculation
Calculate the basic rating life L10h of a rolling bearing according to ISO 281, from dynamic load ra…
L10 [millions of rev] = (C/P)^p | L10h = L10 × 10⁶ / (60 × n) [p=3 ball, 10/3 roller]
V-Belt & Timing Belt Drive
Calculate pulley speeds, belt velocity, transmission ratio and centre distance for belt drive system…
i = d₂/d₁ = n₁/n₂ | v_belt = π × d₁ × n₁ / 60,000 [m/s]
Column / Rod Buckling (Euler)
Calculate the critical buckling load for pneumatic and hydraulic cylinder rods, columns and struts u…
F_crit = π² × E × I / (β × L)² | I = π/64 × d⁴ [solid rod]
Linear Actuator Sizing & Selection
Determine the required force for a linear actuator accounting for load, friction, angle and accelera…
F_total = F_load + F_friction + F_accel + F_gravity [N]
Bolt Tightening Torque
Calculate the required tightening torque for bolted connections based on bolt size, grade and desire…
M_A = F_sp × d₂/2 × (tan λ + μ_G / cos α_n) + μ_K × F_sp × D_Km/2
Flywheel Energy Storage
Calculate kinetic energy stored in a rotating flywheel and the speed drop under a given load torque …
E = 0.5 x J x omega^2 | J_disc = 0.5 x m x r^2 | delta_n = T x t / J