List of publications

Updated to 21 April 2019

All reachable directly from the HOMEPAGE

General data


Power conversion calculator

Pressure conversion calculator

Temperature conversion calculator

Speed conversion calculator

Flow rate conversion calculator

Surface conversion

Distance - length conversions

Volume conversions - capacity

Weight conversions

Unit of measure

Unit of measurement independent additional fundamentals

Derivatives units

Multiples submultiples

Multiples submultiples - calculator

Specific weights

Specific weight metal

Specific gravity wood

Specific gravity liquids solutions

Specific weight materials

Specific weight substances pile

Specific gravity gases vapors

Specific weights - Quick search by name


Water Density Calculator

Greek alphabet

Italian English technical terms

Various tables

Latent heat of fusion

Chemical elements - Names and dates

Keyboard symbols

Specific heat substances

Wind speed in Beaufort degrees

Conversion table inches millimeters

Fractions of inches

Connectors PC



Pipes sizing calculator - millimeters

Pipes sizing calculation - Steel

Pipes sizing calculator - copper

Steel pipes (ND) - weight and surface calculation

Steel pipes in millimeters - surface weight calculation

Pipes properties

Sizing of steel pipes networks

Sizing of copper pipes networks


Expansion vessels sizing calculator

Heat requirement - radiators

Calculating heating fuel cost


Pump sizing calculator

Sizing anticondensate pumps

Pumps power calculation


Refrigerant gas

Regolo refrigerant gas

Refrigerant pressure-temperature ratio

Diagrams for electrical parts - compressors


Elettric motor calculation - Power and current

Resistor Color

Choice of electric cables

Ohm's law - calculator

Power consumption - calculator

Cable sizing calculator

Power factor

Electric motors speed - Poles

Star delta connection

Type of switches

Low insulation

Resistances calculation

Resistor color code calculator 4 bands

Resistor color code calculator 5 bands

Resistor color code calculator 6 bands

Air conditioning

Psychrometric calculator

Psychrometric diagrams

Psychrometric charts Carrier

Mollier diagram

Air ducts

Rectangular ducts - weight surface calculator

Circular ducts - weight surface calculator

Air ducts sizing - speed reduction

Air ducts sizing - constant load loss

Check air flow rectangular ducts

Check air flow circular ducts

Pressure losses in flexible ducts

Thicknesses ducts sheet metal

Curves calculation - ducts

Relationship: flow rate, section, air speed

Air ducts sizing fast calculator


Heat Ventilation - calculator

Air preheating

Cool with outside air

Fan power consumption

Electric fans - Relationship

Calculation of the loss of the fan pressure

Pulleys diameter calculation

Trapezoidal transmission belts


Characteristic values of three-phase refrigeration compressors

Summer cooling load - split system and fan coil

Humidification - calculation

Heat load - transformers

Conditioning tables

Heat produced by people

Heat produced appliances

Outdoor air for person

Air changes per hour

Air saturation pressures

Typical values of water vapor production

Air diffusers - grilles and anemostats

Table for psychrometer

Heat Index

Air quality

Air filters and rules


Global temperatures

Summer air conditioning system

Heat Calculation appliances

Air ducts - flow, dimension, velocity

Conditioning schemes and drawings

Functional diagram air treatment unit


Iron sections

Steel pipes

Iron solid bars

Iron beams

Irons reinforced concrete

Various pipes

Payload beams

Iron sections - weight calculation

Cad Blocks

Cad blocks - Conditioning

Cad blocks - Electrical

Public Works

Work time schedule

Work time schedule - consecutive days

Work time schedule - Weekly

Various utilities

Editable calendar

Technical preparation test

Concentration test