Convert BTUs per Hour (BTU/h) to Foot-Pounds per Second (ft·lb/s)

1 BTU/h = 0.216 ft·lb/s

How many Foot-Pounds per Second in a BTU per Hour?Printable chart →

Understanding the conversion from BTUs per hour (BTU/h) to foot-pounds per second (ft·lb/s) is essential for various applications including heating systems and mechanical work. The conversion factor is straightforward: 1 BTU/h equals 0.216158 ft·lb/s. This guide will help you easily navigate these units of power.

BTU per Hour (BTU/h)

Foot-Pound per Second (ft·lb/s)

0.216158

≈ 7/32 ft·lb/s

Conversion Formula

ft·lb/s = BTU/h × 0.216158

Reverse: BTU/h = ft·lb/s × 4.62625

Quick mental math: For a quick estimate, remember that 5 BTU/h is roughly equivalent to 1 ft·lb/s.

Conversion Examples

1 BTU/h × 0.216158 =

0.216 ft·lb/s

1 BTUs per Hour = 0.216 Foot-Pounds per Second

5 BTU/h × 0.216158 =

1.081 ft·lb/s

5 BTUs per Hour = 1.081 Foot-Pounds per Second

10 BTU/h × 0.216158 =

2.162 ft·lb/s

10 BTUs per Hour = 2.162 Foot-Pounds per Second

25 BTU/h × 0.216158 =

5.404 ft·lb/s

25 BTUs per Hour = 5.404 Foot-Pounds per Second

50 BTU/h × 0.216158 =

10.808 ft·lb/s

50 BTUs per Hour = 10.808 Foot-Pounds per Second

100 BTU/h × 0.216158 =

21.616 ft·lb/s

100 BTUs per Hour = 21.616 Foot-Pounds per Second

BTU per Hour to Foot-Pound per Second Table

Quick convert your value:

BTU/h =—ft·lb/s

Start:Step:Rows:Precision:

BTU per Hour (BTU/h)	Foot-Pound per Second (ft·lb/s)	Fraction
1	0.2162	7/32
6	1.2969	1 19/64
11	2.3777	2 3/8
16	3.4585	3 29/64
21	4.5393	4 35/64
26	5.6201	5 5/8
31	6.7009	6 45/64
36	7.7817	7 25/32
41	8.8625	8 55/64
46	9.9433	9 15/16
51	11.024	11 1/32
56	12.1048	12 7/64
61	13.1856	13 3/16
66	14.2664	14 17/64
71	15.3472	15 11/32
76	16.428	16 27/64
81	17.5088	17 33/64
86	18.5896	18 19/32
91	19.6704	19 43/64
96	20.7511	20 3/4

Unit Definitions

What is a BTU per Hour (BTU/h)?

ImperialUnited States

BTU per hour (BTU/h) is a unit of power that measures the rate of energy transfer equivalent to one British thermal unit per hour.

History

The BTU was historically used in the United States for measuring heat energy, especially in heating and cooling systems. It became standardized in the late 19th century.

Current Use

Today, BTU/h is widely used in HVAC systems, appliances, and other heating-related applications to indicate energy efficiency.

Learn more about BTU per Hour

What is a Foot-Pound per Second (ft·lb/s)?

ImperialUnited States, United Kingdom

Foot-pound per second (ft·lb/s) is a unit of power that measures the rate at which work is done, specifically how much energy is required to lift one pound a distance of one foot in one second.

History

This unit dates back to the early 19th century and is derived from the foot-pound, a common unit of work in mechanics, established by early engineers.

Current Use

Foot-pound per second is used in various engineering and mechanical contexts, helping quantify performance and efficiency in machinery and tools.

Learn more about Foot-Pound per Second

Frequently Asked Questions

How does this conversion apply to heating systems?

In heating systems, power is often measured in BTUs per hour. For example, if a heater outputs 100 BTU/h, it translates to approximately 21.6158 ft·lb/s. This means the heater can perform work equivalent to lifting a weight of 21.6158 foot-pounds every second. Knowing this conversion helps in selecting the right heater for your space.

Can you give an example related to cooking?

When using a stove, the heating power is sometimes indicated in BTU/h. If a stove has a rating of 50 BTU/h, it equals about 10.8079 ft·lb/s. If you're boiling water, this means the stove can consistently provide enough energy to lift a weight of 10.8079 pounds every second, illustrating its capacity to heat efficiently.

How is this conversion relevant in construction?

In construction, machinery power is often measured in foot-pounds per second. For instance, a concrete mixer may have a motor rated at 200 BTU/h, translating to about 43.2316 ft·lb/s. This helps contractors understand how much mechanical power they have available for tasks like mixing concrete or lifting materials.

What about fitness equipment?

In fitness, some equipment might display output power in BTU/h. If a treadmill shows a power output of 150 BTU/h, that would be approximately 32.4237 ft·lb/s. This information can be useful for users to gauge the intensity of their workout and compare it against other machines or activities.

How does this apply to automotive power?

Automotive engines may also be evaluated in terms of BTU/h. If a small engine produces 300 BTU/h, that translates to about 64.8461 ft·lb/s. This conversion is vital for understanding the power available for driving or operating various components, assisting in performance assessments.

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