Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!


Climate, meteorology, solar, wind, emissions and environmental related engineering resources.

Acids - pH Values

pH values of acids like sulfuric, acetic and more..

Air - Thermophysical Properties

Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more.

Bases - pH Values

pH values for bases like sodium hydroxide, ammonia and more.

Beaufort's Wind Scale

The Beaufort description and observation scale for wind and wind speed.

Bio Ethanol Production - Raw Materials

Raw materials used for Ethanol Bio-fuel production.

Biogas - Carbon Nitrogen Ratios

Carbon - Nitrogen ratios for biogas produced from various raw materials.

Biogas - Composition

Typical composition of biogas produced from household waste.

Biogas - Potential from Animal Manure

Potential biogas production from animal manure.

Biomass Energy Units

Convert between different biomass energy units.

Biomasses - Energy Content when Used as Fuel

Biomass fuels and their energy content.

Capacitors - Stored Energy

Potential power and energy stored in capacitors.

Carbon Monoxide and Health Effects

Exposure to Carbon Monoxide - CO and health effects.

Combustion of Fuels - Carbon Dioxide Emission

Environmental emission of carbon dioxide CO2 when combustion fuels like coal, oil, natural gas, LPG and bio energy.

Concentration of Carbon Dioxide in the Atmosphere

The atmospheric Carbon Dioxide concentration year 1959 - 2015.

Earthquake Scales

Richter Magnitude, Moment Magnitude and Mercalli Intensity.

Effectiveness of Biocides

Effectiveness of biocides against bacteria, fungi and algae.

Energy Balance and Energy Ratio

Energy balance and energy payback ratio.

Food and Foodstuff - pH Values

pH in common food products - like apples, butter, wines and more.

Fossil vs. Alternative Fuels - Energy Content

Net (low) and gross (high) energy content in fossil and alternative fuels.

Fujita-Pearson Tornado Intensity Scale

A tornado intensity rating scale.

Glazing Materials - Optical Properties

Optical properties of commonly used glazing materials.

Global Temperature Trend

Global temperature trend year 1880 - 2015.

Hurricane Intensity Scale

The Saffir-Simpson hurricane damage potential scale.


Power potential vs. head and flow rate.

Ice - Thermal Properties

Thermal and thermodynamic properties of ice like density, thermal conductivity and specific heat at temperatures from 0 to -100 oC.

Nitrogen Oxides (NOx) Emission from Fuels

Emission of Nitrogen Oxides - NOx - with combustion of fuels like oil, coal, propane and more.

Refrigerants - Environmental Properties

Refrigerants - Ozone Depletion (ODP) and Global Warming Potential (GWP).

Salinity of Water

Salinity - salt content - of fresh, brackish and sea water.

Soil - Water Content

Water or moisture content in soil.

Solar Radiation - Daily Surface Energy

Daily surface energy from solar radiation.

Solar Radiation through Windows

Heat from sun transmitted through windows.

Sun Charts

Online solar chart creator.

Tree Species - Water Demand

Trees species and relative water demand.

Urban Tree Heights

Height of trees commonly used in towns and urban areas.

US Heating Degree-Days

Standard and industrial heating degree-days.

Water - Thermophysical Properties

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.

Wind Chill Index

Effective Temperature of air in movement.

Wind Energy

Available wind energy.

Wind Power

Power generation from wind.

Wind Shear

Wind slowed down at surface by trees and obstructions.

Wind Turbine Power Calculator

Online wind turbine calculator.


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Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

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