Free tools and information for engineering and design of technical applications
Calculating and sizing steel pipe thermal expansion loops.
Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more.
Free online tool for designing water supply systems in buildings.
Linear temperature expansion coefficients for common materials like aluminum, copper, glass, iron and many more.
Calculate hot air ballons lifting forces.
Psychrometric chart for air at barometric pressure 29.921 inches of Mercury and temperature ranging 20oF to 120oF.
Free online UTM to Latitude and Longitude coordinates converter.
Thermal properties of water at different temperatures like density, freezing temperature, boiling temperature, latent heat of melting, latent heat of evaporation, critical temperature and more.
Radian is the SI unit of angle. Convert between degrees and radians. Calculate angular velocity.
Calculate miter saw protractor angles for skirting and decorative mouldings work.
Friction theory with calculator and friction coefficients for combinations of materials like ice, aluminum, steel, graphite and many more.
Young's Modulus (or Tensile Modulus alt. Modulus of Elasticity) and Ultimate Tensile Strength and Yield Strength for materials like steel, glass, wood and many more.
Thermal conductivity coefficients for insulation materials, aluminum, asphalt, brass, copper, steel, gases and more.
Definitions, online calculator and figures and tables with water properties like density, specific weight and thermal expansion coefficient of liquid water at temperatures ranging 0 to 360°C (32 to 680°F).
Calculate square, cube, square root and cubic root. Values tabulated for numbers ranging 1 to 100.
Dimensions of American Wide Flange Beams ASTM A6 (or W-Beams) - Imperial units.
Vicosity is a fluid's resistance to flow and can be valued as dynamic (absolute) or kinematic.
American Wire Gauge (AWG) vs. cross sectional area converter.
An introduction to density, specific weight and specific gravity.
Free online design tool for designing hot water heating systems - metric units.
Free online calculator - figures and tables with viscosity of water at temperatures ranging 0 to 360°C (32 to 675°F) - Imperial and SI Units.
Diameters and bolt circles for standard ASME B16.5 flanges - 1/4 to 24 inches - Class 150 to 2500.
Convert fractional and/or decimal inches to metric mm - and vice versa.
Convert between US Inches and metric mm wrench and spanner sizes.
Typical cross sections and their Area Moment of Inertia.
Thermodynamic properties of dry air - specific heat, ratio of specific heats, dynamic viscosity, thermal conductivity, Prandtl number, density and kinematic viscosity at temperatures ranging 175 - 1900 K.
Calculate and compare the costs between owning a new vs. an old car.
Room acoustics and acoustic properties, decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation.
Moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content.
The SI-system, unit converters, physical constants, drawing scales and more.
Boiler house topics, fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency.
2D and 3D engineering drawing tools.
Motion - velocity and acceleration, forces and torque.
Engineering economics - cash flow diagrams, present value, discount rates, internal rates of return - IRR, income taxes, inflation.
Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors.
Climate, meteorology, sun, wind and environmental related engineering resources.
The study of fluids - liquids and gases. Involving velocity, pressure, density and temperature as functions of space and time.
Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves.
Heating, ventilation and air conditioning systems - design and dimensions.
Hydraulic and pneumatic systems - fluids, forces, pumps and pistons.
Heat transfer and heat loss from buildings and technical applications - heat transfer coefficients and insulation methods to reduce energy consumption.
Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.
Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more.
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Instrumentation and process control systems - design and documentation.
Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more.
The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.
National and International organizations producing codes and standards - ANSI, ISO, DIN, BSi and more.
Loads - forces and torque, beams and columns.
Steam & condensate systems- properties, capacities, pipe sizing, systems configuration and more.
Work, heat and energy systems.
Hot and cold water service systems - design properties, capacities, sizing and more.