Engineering Calculators
Professional engineering calculators for electrical circuits, mechanical systems, fluid dynamics, and structural analysis. Accurate tools built for engineers, students, and makers.
Capacitance Calculator
Calculate capacitance, charge, and voltage for capacitor circuits
Calculate NowStress & Strain Calculator
Calculate mechanical stress, strain, and Young's modulus for materials
Calculate NowHydraulic Calculator
Calculate hydraulic pressure, force, and flow in fluid power systems
Calculate NowThermal Expansion Calculator
Calculate linear and volumetric expansion of materials with temperature change
Calculate NowSpring Constant Calculator
Calculate spring constant, force, and displacement using Hooke's law
Calculate NowProfessional Engineering Tools for Every Discipline
Our engineering calculators cover the full spectrum of engineering work — from basic electrical calculations like Ohm's law and resistor values to mechanical problems like torque, gear ratios, and spring constants, through to fluid systems and structural beam analysis. Each calculator uses industry-standard formulas and returns results with the precision engineers need.
Why Use Our Engineering Calculators?
- • Covers electrical, mechanical, fluid, and structural engineering
- • Industry-standard formulas with clear variable definitions
- • Instant results — no sign-up, no ads blocking your work
- • Works on any device including mobile and tablet
- • Completely free, privacy-focused, and always available