The engineering resource library

A clearer path
from question to result.

Calculate, check your units, and understand the method. EngiVault’s engineering tools now live within this website. Public tools work without an account.

A clearer pathfrom question to result.

Reynolds, Prandtl and Péclet Numbers

Two-Input Measurement Uncertainty

Wet Steam Mixture Properties

Steam Quality from Enthalpy

Water Saturation Pressure

Water Saturation Temperature

First-Order Process Response with Delay

Current-Loop Voltage Budget

4–20 mA to Engineering Value

Engineering Value to 4–20 mA

Beam Bending from Section Properties

Circular Section Properties

Rectangular Section Properties

Normal Shock: Downstream State and Pressure Loss

Gas Speed of Sound, Mach and Stagnation State

Circular Shaft Torsion and Power

AC Power: Single and Balanced Three Phase

Series RLC Circuit and Resonance

Liquid Water Properties by Temperature and Pressure

Water Pipe Pressure Loss with Temperature

Liquid Control Valve Kv and Choking

Pipe Heat Transfer and Insulation

Rectangular Beam Stress and Deflection

Humid Air Properties

Air Heating, Cooling and Condensate

Adiabatic Mixing of Two Humid Airstreams

Humid Air from Dry and Wet Bulb

Composite Wall Heat Transfer

Reservoir-to-Reservoir Pump Duty

Sound Intensity Level

Spherical Sound Spreading

Surface Convection

Thermal Radiation to Large Surroundings

Sensible Heat

Free Linear Thermal Expansion

Ideal Gas Density

Axial Bar Stress and Extension

DC Resistor Current and Power

Plane Wall Heat Conduction

Hydrostatic Pressure

Dynamic Pressure

Engineering Unit Converter

Pressure Drop Calculator

NPSH Calculator

Pipe Sizing Calculator

A clearer path
from question to result.