Length per Length per Degree Fahrenheit to Length per Length per Degree Reaumur Conversion

Convert between Length per Length per Degree Fahrenheit and Length per Length per Degree Reaumur quickly and accurately.

°F⁻¹
°r⁻¹

How to Convert Length per Length per Degree Fahrenheit to Length per Length per Degree Reaumur

Conversion Formula

1 °F⁻¹ = 2.25 °r⁻¹
1 °r⁻¹ = 0.444 °F⁻¹

Example

Convert 15 °F⁻¹ to °r⁻¹:

15 °F⁻¹ = 15 × 2.25 °r⁻¹ = 33.75 °r⁻¹

Unit Information

Learn about the thermal expansion units you're converting between

Length per Length per Degree Fahrenheit

°F⁻¹

Definition

The length per length per degree Fahrenheit (°F⁻¹) is a unit of thermal expansion coefficient equal to 1.8 per kelvin. It represents the fractional change in length per unit temperature change in the Fahrenheit scale, providing a practical measure for thermal expansion in imperial temperature measurements.

History/Origin

Developed for thermal expansion measurements using the Fahrenheit temperature scale, this unit became standard in countries using imperial units. It accounts for the different temperature scale intervals between Fahrenheit and Celsius, providing accurate thermal expansion calculations in Fahrenheit-based systems.

Current Use

Widely used in the United States and other countries using imperial units for thermal expansion calculations. It is essential for HVAC system design, automotive engineering, and construction projects where temperature measurements are made in Fahrenheit.

Multiplier

1.8

Offset

0

Length per Length per Degree Reaumur

°r⁻¹

Definition

The length per length per degree Reaumur (°r⁻¹) is a unit of thermal expansion coefficient equal to 0.8 per kelvin. It represents the fractional change in length per unit temperature change in the Reaumur scale, providing a historical measure for thermal expansion calculations.

History/Origin

Developed as part of the Reaumur temperature scale system, this unit was historically used in some European countries for thermal expansion measurements. It provides a different scale relationship compared to Celsius and Fahrenheit units, reflecting the unique characteristics of the Reaumur scale.

Current Use

Rarely used in modern applications but occasionally found in historical literature and specialized scientific contexts. It is mainly of historical interest and is sometimes used for temperature interval calculations involving historical data or legacy systems.

Multiplier

0.8

Offset

0

Length per Length per Degree Fahrenheit to Length per Length per Degree Reaumur Conversion Table

Length per Length per Degree Fahrenheit [°F⁻¹] Length per Length per Degree Reaumur [°r⁻¹]
1 °F⁻¹ 2.25 °r⁻¹
10 °F⁻¹ 22.5 °r⁻¹
25 °F⁻¹ 56.25 °r⁻¹
50 °F⁻¹ 112.5 °r⁻¹
100 °F⁻¹ 225 °r⁻¹
0 °F⁻¹ 0E+0 °r⁻¹
-10 °F⁻¹ -22.5 °r⁻¹
-40 °F⁻¹ -90 °r⁻¹