Calculate Voltage (V), Current (I), Resistance (R), and Electrical Power (P) using Ohm

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.

Calculate 2D plane stress transformation, Mohr

Calculate RF microstrip line characteristic impedance (Z0), effective dielectric constant (ε_eff), high-frequency dispersion, copper & dielectric losses, and skin depth.

Calculate enzyme kinetic rates, Km, Vmax, kcat turnover, catalytic efficiency, and model competitive, uncompetitive, and non-competitive Lineweaver-Burk plots.

Calculate theoretical equilibrium stages, minimum reflux ratio (Rmin), optimal feed tray, reboiler boilup, and actual trays using the McCabe-Thiele method.

Calculate theoretical equilibrium stages, optimal feed tray, minimum reflux ratio Rmin, and step through McCabe-Thiele distillation graphical diagrams.

Calculate uniform gravity flow discharge Q, velocity V, hydraulic radius Rh, and Froude number using Manning

Calculate normal water depth, critical depth, Froude number, flow velocity, and specific energy in trapezoidal, rectangular, triangular, and circular channels using Manning

Calculate LLC resonant converter tank parameters Lr, Cr, Lm, voltage gain curves M(fn), quality factor Q, and verify Zero-Voltage Switching (ZVS) limits.