Convertir btu a ft_lb (BTU a ft·lbf)

1 BTU = 778.16926ft·lbf. Cambie fácilmente entre categorías de medición, calcule matrices de unidades en tiempo real y copie resultados al instante.

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Energía y Trabajo Converter

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Step-by-Step Mathematical Derivation

Verified SI Standard

➡️ Convert btu to ft_lb

Value in ft·lbf = Value in BTU × 778.1693

To convert any quantity from btu to ft_lb, multiply the quantity by the constant conversion factor 778.1693.

⬅️ Convert ft_lb to btu (Inverse)

Value in BTU = Value in ft·lbf × 0.001285067

To reverse the operation, multiply your ft_lb figure by 0.001285067 (or divide by 778.1693).

🔢 Step-by-Step Calculation Procedure:

Identify the starting value in btu (BTU).
Apply the exact linear conversion factor: 1 BTU = 778.1693 ft·lbf.
Multiply the input value by 778.1693 to obtain the exact measurement in ft_lb (ft·lbf).
Verify precision against standard BIPM / NIST SP 811 statutory guidelines.

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All-Units Instant Matrix

Live Computed

j --

kj --

cal --

cal

kcal --

kcal

kwh --

kWh

btu --

BTU

ev --

ft_lb --

ft·lbf

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Printable Reference Cheat Sheet

Generate clean offline reference PDF tables for Energy & Work

Energy & Work Reference Sheet

Standard SI Base Unit: 1 j

aiunitconverters.com

10/14/2026

Unit Name	Symbol	System	Equivalent in j
Joule	J	Standard	1 J = 1 j
Kilojoule	kJ	Standard	1 kJ = 1000 j
Gram Calorie	cal	Standard	1 cal = 4.184 j
Kilocalorie (Food Cal)	kcal	Standard	1 kcal = 4184 j
Kilowatt-hour	kWh	Standard	1 kWh = 3.6000e+6 j
British Thermal Unit	BTU	Standard	1 BTU = 1055.05585 j
Electronvolt	eV	Standard	1 eV = 1.6022e-19 j
Foot-pound	ft·lbf	Standard	1 ft·lbf = 1.3558179483314 j

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Academic & Research Citation Exporter

Cite this mathematical formula and conversion factor in research papers and wikis

BibTeX / APA / IEEE

@misc{ai_unit_converter_btu_to_ft_lb,
  author       = {AI Unit Converters Standards Board},
  title        = {Exact btu to ft_lb Conversion Factor and Mathematical Derivation},
  year         = {2026},
  howpublished = {\url{https://aiunitconverters.com/es/energy/btu-to-ft_lb}},
  note         = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}

AI Unit Converters. (2026). btu to ft_lb conversion formula & metric standard. Retrieved from https://aiunitconverters.com/es/energy/btu-to-ft_lb

[1] AI Unit Converters Standards Board, "btu to ft_lb conversion factor," 2026. [Online]. Available: https://aiunitconverters.com/es/energy/btu-to-ft_lb. [Accessed: Oct 14, 2026].

\[ 1\text{ btu} = \text{factor} \times 1\text{ ft_lb} \]

📊Tablas de Referencia

btu (BTU)ft_lb (ft·lbf)

1BTU	778.1693ft·lbf
2BTU	1,556.3385ft·lbf
5BTU	3,890.8463ft·lbf
10BTU	7,781.6926ft·lbf
15BTU	11,672.5389ft·lbf
20BTU	15,563.3852ft·lbf
25BTU	19,454.2315ft·lbf
50BTU	38,908.463ft·lbf
75BTU	58,362.6945ft·lbf
100BTU	77,816.926ft·lbf
250BTU	194,542.3151ft·lbf
500BTU	389,084.6302ft·lbf
1000BTU	778,169.2603ft·lbf
5000BTU	3,890,846.3017ft·lbf
10000BTU	7,781,692.6033ft·lbf

ft_lb (ft·lbf)btu (BTU)

1ft·lbf	0.0013BTU
2ft·lbf	0.0026BTU
5ft·lbf	0.0064BTU
10ft·lbf	0.0129BTU
15ft·lbf	0.0193BTU
20ft·lbf	0.0257BTU
25ft·lbf	0.0321BTU
50ft·lbf	0.0643BTU
75ft·lbf	0.0964BTU
100ft·lbf	0.1285BTU
250ft·lbf	0.3213BTU
500ft·lbf	0.6425BTU
1000ft·lbf	1.2851BTU
5000ft·lbf	6.4253BTU
10000ft·lbf	12.8507BTU

Categorías Populares

btu → j btu → kj btu → cal btu → kcal btu → kwh btu → ev btu → ft_lb