What does calorie (th)/hour measure?

It measures the rate of heat transfer equivalent to one thermochemical calorie delivered per hour, representing a small thermal power unit.

Where is Btu (th)/hour commonly used?

It is used for rating HVAC equipment, specifying heat output of water heaters and boilers, and estimating building heating or cooling loads.

Why convert from calorie (th)/hour to Btu (th)/hour?

Converting helps express small-scale thermal powers in units common for larger heating and cooling applications, facilitating uniform assessment and comparison.

How to Convert from Calorie (th)/hour [cal (th)/h] to Btu (th)/hour [Btu (th)/h]?

Learn how to easily convert thermal power units from calorie (thermochemical)/hour to Btu (thermochemical)/hour for applications in calorimetry, metabolic heat measurement, and HVAC equipment rating.

Calorie (th)/hour [cal (th)/h]

Btu (th)/hour [Btu (th)/h]

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

Calorie (th)/hour [cal (th)/h] to Btu (th)/hour [Btu (th)/h] Conversion Table

Calorie (th)/hour [cal (th)/h]	Btu (th)/hour [Btu (th)/h]

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.

Calorie (th)/hour [cal (th)/h] to Btu (th)/hour [Btu (th)/h] Conversion Table
Calorie (th)/hour [cal (th)/h]	Btu (th)/hour [Btu (th)/h]

Explore More Power Units Converter

What Is This Tool?

This converter changes values from calorie (th)/hour to Btu (th)/hour, two units measuring thermal power or heat transfer rate. It helps users translate small heat transfer rates used in laboratory and physiological contexts into units common in heating, ventilation, and air conditioning systems.

How to Use This Tool?

Enter the thermal power value in calorie (th)/hour
Select the source unit as calorie (th)/hour
Choose the target unit as Btu (th)/hour
Click convert to view the equivalent power in Btu (th)/hour

Key Features

Converts thermochemical calorie per hour to thermochemical British thermal unit per hour
Suitable for small-scale heat transfer and larger HVAC-related power measurements
Based on exact defined conversion rates between calorie (th) and Btu (th)
Browser-based and easy to use for quick thermal power conversions

Examples

Convert 10 cal (th)/h: 10 × 0.0039683217 = 0.039683217 Btu (th)/h
Convert 250 cal (th)/h: 250 × 0.0039683217 = 0.992080425 Btu (th)/h

Common Use Cases

Measuring small heat-transfer rates in laboratory calorimetry
Expressing metabolic or physiological heat production rates
Sizing and rating HVAC systems like furnaces and air conditioners
Specifying heat output of boilers, water heaters, and heat exchangers
Estimating thermal loads for building heating and cooling calculations

Tips & Best Practices

Ensure use of thermochemical definitions consistently for conversions
Consider converting to watts for international standardization
Understand that calorie (th)/hour values may be small and less intuitive without conversion
Use this tool to compare small-scale lab measures with practical heating/cooling units

Limitations

Calorie (th)/hour is much smaller than Btu (th)/hour, which can make numbers less intuitive
Both units are non-SI; SI units like watts provide standardized measurements
Conversion depends on consistent use of thermochemical definitions; other variants may cause discrepancies

Frequently Asked Questions

What does calorie (th)/hour measure?: It measures the rate of heat transfer equivalent to one thermochemical calorie delivered per hour, representing a small thermal power unit.
Where is Btu (th)/hour commonly used?: It is used for rating HVAC equipment, specifying heat output of water heaters and boilers, and estimating building heating or cooling loads.
Why convert from calorie (th)/hour to Btu (th)/hour?: Converting helps express small-scale thermal powers in units common for larger heating and cooling applications, facilitating uniform assessment and comparison.

Key Terminology

Calorie (th)/hour: A unit of thermal power measuring heat transfer at the rate of one thermochemical calorie per hour.
Btu (th)/hour: A unit of thermal power equal to one thermochemical British thermal unit transferred per hour, commonly used in heating and cooling applications.
Thermal power: The rate at which heat energy is transferred or produced.

Quick Knowledge Check

What type of power does calorie (th)/hour measure?

Electrical power

Thermal power or heat transfer rate

Mechanical power

Which of these is a common use for Btu (th)/hour?

Sizing HVAC equipment

Measuring metabolic rates

Laboratory calorimetry

Why might you convert calorie (th)/hour to Btu (th)/hour?

To express large-scale electrical consumption

To translate small thermal units into HVAC-related units

To measure sound power levels

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