Why does the conversion depend on temperature?

The temperature references fix the density of water and mercury at specific values (4°C for water and 60°F for mercury), which affects the hydrostatic pressure and therefore the conversion accuracy between these units.

Can I use inch water measurements for high-pressure systems?

Inch water units are best suited for low-pressure measurements, so they are not typically appropriate for high-pressure or vacuum applications where inch mercury units are preferred.

What are typical applications for inch mercury units?

Inch mercury units are commonly used in meteorology for atmospheric pressure, aviation for altimeter settings, and laboratory vacuum systems for indicating vacuum levels.

How to Convert from Inch water (4°C) [inAq] to Inch mercury (60°F) [inHg]

Learn how to convert pressure values from inch water at 4°C to inch mercury at 60°F, a useful conversion for HVAC, meteorology, aviation, and laboratory applications.

Inch water (4°C) [inAq]

Inch mercury (60°F) [inHg]

Please check your input. It must be a valid numeric value.

Inch water (4°C) [inAq] to Inch mercury (60°F) [inHg] Conversion Table

Inch water (4°C) [inAq]	Inch mercury (60°F) [inHg]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Inch water (4°C) [inAq] to Inch mercury (60°F) [inHg] Conversion Table
Inch water (4°C) [inAq]	Inch mercury (60°F) [inHg]

Explore More Pressure Units Converter

What Is This Tool?

This tool allows you to convert pressure measurements from inch water (4°C) to inch mercury (60°F), enabling easy translation between two distinct units commonly used in various fields such as HVAC, meteorology, aviation, and laboratory systems.

How to Use This Tool?

Enter the pressure value measured in inch water (4°C).
Select inch water (4°C) as the input unit and inch mercury (60°F) as the output unit.
Click the convert button to get the equivalent pressure in inch mercury (60°F).
Review the conversion result for use in relevant applications.

Key Features

Converts low-pressure inch water (4°C) values into inch mercury (60°F).
Simple interface to input values and select units for quick conversions.
Browser-based tool accessible without downloads or installations.
Supports applications in HVAC diagnostics, aviation, vacuum systems, and meteorological pressure reporting.

Examples

Converting 10 inch water (4°C) results in approximately 0.7376 inch mercury (60°F).
A value of 50 inch water (4°C) converts to about 3.688 inch mercury (60°F).

Common Use Cases

Measuring static and differential pressures in HVAC ducting and ventilation.
Reporting sea-level atmospheric pressure in meteorology.
Setting altimeter pressure references in U.S. aviation.
Monitoring vacuum systems in laboratory environments.
Translating sensor or gauge outputs for calibration or diagnostic purposes.

Tips & Best Practices

Always account for temperature references, as inch water uses 4°C and inch mercury uses 60°F for density calibration.
Use inch water for low-pressure measurements requiring fine resolution.
Apply inch mercury units for atmospheric, vacuum, and instrument pressure readings.
Ensure the pressure range fits the unit’s intended application to maintain meaningful results.

Limitations

Temperature differences affect the density of water and mercury, influencing pressure equivalence.
Inch water units are designed for low-pressure ranges, while inch mercury is more suitable for higher pressures or vacuums.
Conversions should consider the intended pressure magnitude and precision needed.

Frequently Asked Questions

Why does the conversion depend on temperature?: The temperature references fix the density of water and mercury at specific values (4°C for water and 60°F for mercury), which affects the hydrostatic pressure and therefore the conversion accuracy between these units.
Can I use inch water measurements for high-pressure systems?: Inch water units are best suited for low-pressure measurements, so they are not typically appropriate for high-pressure or vacuum applications where inch mercury units are preferred.
What are typical applications for inch mercury units?: Inch mercury units are commonly used in meteorology for atmospheric pressure, aviation for altimeter settings, and laboratory vacuum systems for indicating vacuum levels.

Key Terminology

Inch water (4°C) [inAq]: A pressure unit representing the hydrostatic pressure of a one-inch column of pure water at 4°C under standard gravity, used for low-pressure measurements.
Inch mercury (60°F) [inHg]: A pressure unit based on the pressure exerted by a one-inch column of mercury at 60°F, used in meteorology, aviation, and vacuum measurements.
Hydrostatic Pressure: The pressure exerted by a fluid due to gravity, determined by the height and density of the fluid column.
Conversion Rate: The factor used to translate one unit of pressure into another, here 1 inAq equals approximately 0.0737616418 inHg.

Quick Knowledge Check

What temperature is inch water pressure referenced to?

60°F

4°C

25°C

Which unit is commonly used in aviation for altimeter settings?

Inch water (4°C)

Inch mercury (60°F)

Pascal

Why must temperature references be considered in this conversion?

They change the density of the fluids

They affect the volume of mercury

They determine the color of the mercury

Share Us

Similar Calculators

Online Thermal Resistance Units Converter Online Surface Current Density Units Converter Online Volume Units Converter Online Volume Dry Units Converter Online Weight and Mass Units Converter