LLC Resonant Converter Tank Gain & Sizing Calculator
Calculate LLC resonant converter tank parameters Lr, Cr, Lm, voltage gain curves M(fn), quality factor Q, and verify Zero-Voltage Switching (ZVS) limits.
Manning Open Channel Flow & Water Depth Calculator
Calculate normal water depth, critical depth, Froude number, flow velocity, and specific energy in trapezoidal, rectangular, triangular, and circular channels using Manning
Manning’s Open Channel & Pipe Flow Velocity Calculator
Calculate uniform gravity flow discharge Q, velocity V, hydraulic radius Rh, and Froude number using Manning. Free, private, and simple to use in your browser.
McCabe-Thiele Binary Distillation Column Stages Calculator
Calculate theoretical equilibrium stages, optimal feed tray, minimum reflux ratio Rmin, and step through McCabe-Thiele distillation graphical diagrams.
Michaelis-Menten Enzyme Kinetics & Lineweaver-Burk Calculator
Calculate enzyme kinetic rates, Km, Vmax, kcat turnover, catalytic efficiency, and model competitive, uncompetitive, and non-competitive Lineweaver-Burk plots.
Microstrip Line Characteristic Impedance Calculator
Calculate RF microstrip line characteristic impedance (Z0), effective dielectric constant (ε_eff), high-frequency dispersion, copper & dielectric losses, and skin depth.
Mohr’s Circle & Strain Gauge Rosette Stress Calculator
Calculate 2D plane stress transformation, Mohr. Fast, free, and secure client-side execution in your browser.
Ohm’s Law Power Calculator
Calculate Voltage (V), Current (I), Resistance (R), and Electrical Power (P) using Ohm. Fast, free, and secure client-side execution in your browser.
Ohm's Law Calculator & Power Wheel
Calculate Voltage, Current, Resistance, and Electrical Power from any 2 known values with step-by-step mathematical formulas, unit scaling, and energy cost estimation. Free, instantaneous, zero-dependency browser-based utility.
Op-Amp Gain, Bandwidth & Slew Rate Calculator
Calculate operational amplifier closed-loop gain, -3dB bandwidth, noise gain, slew-rate limited full-power bandwidth, and prevent distortion across inverting and non-inverting circuits.
Paris-Erdogan Fatigue Crack Growth & Fracture Calculator
Calculate fatigue crack propagation rate (da/dN), stress intensity factor range (ΔK), cycles to failure (Nf), critical crack size (ac), and Paris law lifespan.
PCB Trace Width & Current Capacity Calculator (IPC-2221)
Calculate required PCB trace width, maximum current carrying capacity, copper cross-sectional area, voltage drop, and power dissipation per IPC-2221 and IPC-2152.
Pharmacokinetic Two-Compartment Drug Clearance Calculator
Calculate two-compartment intravenous pharmacokinetics, distribution alpha phase, elimination beta phase, AUC, clearance, volume of distribution, and biexponential plasma decay.
Phase-Locked Loop (PLL) Loop Filter Bandwidth Calculator
Calculate charge-pump phase-locked loop (PLL) loop filter components (R2, C1, C2, R3, C3), loop bandwidth, phase margin, lock time, and open-loop Bode plot.
PID Controller Tuning & Ziegler-Nichols Calculator
Calculate optimal PID, PI, and PD controller gains using Ziegler-Nichols closed-loop, reaction curve, Cohen-Coon, and Tyreus-Luyben tuning rules with step response simulation.
Pipe Flow Calculator
Calculate volumetric flow rate, mass flow, and fluid velocity through circular pipes. Fast, free, and secure client-side execution in your browser.
Pixel Density (PPI) & Retina Viewing Distance Calculator
Calculate screen pixel density (PPI/PPCM), dot pitch, Apple Retina viewing distance, and Pixels Per Degree (PPD) across smartphones, monitors, and TVs.
Pneumatic Cylinder Calculator
Calculate pneumatic piston thrust forces, air consumption (SCFM), and cycle times. Fast, 100% private in-browser utility with zero server uploads.
Power Factor Calculator
Calculate real (kW), apparent (kVA), and reactive (kVAR) power and correction capacitor size. Fast, free, and secure client-side execution in your browser.
Pressure Drop Calculator
Calculate friction head loss and pressure drop in fluid piping using Darcy-Weisbach. Fast, free, and secure client-side execution in your browser.
Psychrometric Chart & Moist Air Properties Calculator
Interactive Psychrometric Chart and Moist Air Properties Calculator. Compute dry-bulb, wet-bulb, dew point, relative humidity, humidity ratio, enthalpy, and specific volume.
Psychrometric Moist Air Enthalpy & Dew Point Calculator
Calculate moist air enthalpy, dew point, wet-bulb temperature, humidity ratio, specific volume, and HVAC cooling/heating loads with interactive Psychrometric chart.
Pulley Calculator
Calculate driver/driven pulley diameters, output shaft RPM, and belt speed. Fast, free, and secure client-side execution in your browser.
Pumped Storage Hydropower (PSH) Head & Energy Calculator
Calculate pumped storage hydropower (PSH) net head, Darcy-Weisbach friction head loss, generating & pumping power, round-trip efficiency (RTE), and MWh storage.
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