Calculate retaining wall overturning and sliding factors of safety (FS), Rankine active earth pressure, footing bearing pressures, and eccentricity under geotechnical codes.
Buck-Boost & SEPIC DC-DC Converter Inductor Sizing Calculator – Free Tool
Calculate duty cycle, minimum inductance for CCM, peak switch currents, coupling capacitor, and output ripple for inverting Buck-Boost and SEPIC DC-DC converters.
Bond Work Index & Ball Mill Grinding Power Calculator – Free Mining Tool
Calculate ball mill grinding energy, motor power draw, and mill sizing using Bond
Bolted Joint Torque & Preload Tension Calculator
Calculate fastener tightening torque, clamp preload tension, tensile stress area, nut factor K friction losses, and von Mises stress for ISO Metric and SAE Grade bolts.
Bode Plot Lead-Lag Compensator Design & Phase Margin Calculator
Design classical control systems phase-lead and phase-lag compensators. Compute maximum phase lead, alpha/beta ratio, corner frequencies, and interactive Bode plots.
Bode Plot & Stability Margin Calculator – Gain & Phase Margin
Calculate frequency response, Bode magnitude (dB) and phase (deg) plots, Gain Margin (GM), Phase Margin (PM), and crossover frequencies for control systems.
Blood Hemodynamics & Vascular Resistance Calculator (Poiseuille Law)
Calculate blood flow hemodynamics, systemic vascular resistance (SVR), Hagen-Poiseuille vessel resistance, wall shear stress, Reynolds number, and arterial stenosis pressure drops.
Bernoulli Equation Calculator – Free Fluid Energy Conservation Solver
Calculate fluid velocity, static pressure, and elevation head along streamlines.
Bernoulli & Venturi Flow Meter Calculator
Calculate differential pressure flow rates through Venturi meters, orifice plates, and flow nozzles using Bernoulli
Belt Length Calculator – Free 2-Pulley Center Distance & Pitch Solver
Calculate pitch length and center distance for open and crossed pulley belt drives.