Foot pound → British thermal unit (ftlb → Btu)

ftlb to Btu direct conversion page with calculator, reverse conversion and comparison table.

1 ftlb = 0.0012850643565295 Btu
1 Foot pound (ftlb) = 0.0012850643565295 British thermal unit (Btu).


swap converter

If you want to reverse convert, use British thermal unit → Foot pound. 1 Btu = 778.17114366214 ftlb. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

Foot pound to British thermal unit formula: value in Btu = value in ftlb × 0.0012850643565295.

British thermal unit to Foot pound formula: value in ftlb = value in Btu × 778.17114366214.

How to convert Foot pound to British thermal unit

To convert Foot pound to British thermal unit, multiply the value in ftlb by 0.0012850643565295. This gives the result in Btu.

For example, 1 ftlb = 0.0012850643565295 Btu and 10 ftlb = 0.012850643565295 Btu.

What is Foot pound?

Foot pound (ft·lbf): The work of one pound-force acting through one foot in its direction. 1 ft·lbf ≈ 1.35582 J.

What is British thermal unit?

British thermal unit (Btu): A heat-energy unit found in heating and cooling specifications; Btu/h instead measures power. 1 Btu ≈ 1055.06 J.

FAQ

How many british thermal unit are in 1 foot pound?

There are 0.0012850643565295 Btu in 1 ftlb.

Why can conversion results differ slightly?

Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.

How do I convert foot pound to british thermal unit?

Multiply the value in ftlb by 0.0012850643565295 to get the value in Btu.

Foot pound → other Energy units

Foot pound → British thermal unit Table

The table below shows common values from Foot pound to British thermal unit and the reverse direction for quick reference.

ftlbBtuRounded
1 ftlb0.0012850643565295 Btu0.0013
2 ftlb0.002570128713059 Btu0.0026
3 ftlb0.0038551930695885 Btu0.0039
4 ftlb0.0051402574261179 Btu0.0051
5 ftlb0.0064253217826474 Btu0.0064
10 ftlb0.012850643565295 Btu0.0129
12 ftlb0.015420772278354 Btu0.0154
15 ftlb0.019275965347942 Btu0.0193
20 ftlb0.02570128713059 Btu0.0257
25 ftlb0.032126608913237 Btu0.0321
30 ftlb0.038551930695885 Btu0.0386
40 ftlb0.051402574261179 Btu0.0514
50 ftlb0.064253217826474 Btu0.0643
75 ftlb0.096379826739711 Btu0.0964
100 ftlb0.12850643565295 Btu0.1285
200 ftlb0.2570128713059 Btu0.2570
250 ftlb0.32126608913237 Btu0.3213
500 ftlb0.64253217826474 Btu0.6425
750 ftlb0.96379826739711 Btu0.9638
1000 ftlb1.2850643565295 Btu1.2851
2500 ftlb3.2126608913237 Btu3.2127
5000 ftlb6.4253217826474 Btu6.4253
10000 ftlb12.850643565295 Btu12.8506

British thermal unit → Foot pound Table

BtuftlbRounded
1 Btu778.17114366214 ftlb778.1711
2 Btu1556.3422873243 ftlb1556.3423
3 Btu2334.5134309864 ftlb2334.5134
4 Btu3112.6845746486 ftlb3112.6846
5 Btu3890.8557183107 ftlb3890.8557
10 Btu7781.7114366214 ftlb7781.7114
12 Btu9338.0537239457 ftlb9338.0537
15 Btu11672.567154932 ftlb11672.5672
20 Btu15563.422873243 ftlb15563.4229
25 Btu19454.278591553 ftlb19454.2786
30 Btu23345.134309864 ftlb23345.1343
40 Btu31126.845746486 ftlb31126.8457
50 Btu38908.557183107 ftlb38908.5572
75 Btu58362.83577466 ftlb58362.8358
100 Btu77817.114366214 ftlb77817.1144
200 Btu155634.22873243 ftlb155634.2287
250 Btu194542.78591553 ftlb194542.7859
500 Btu389085.57183107 ftlb389085.5718
750 Btu583628.3577466 ftlb583628.3577
1000 Btu778171.14366214 ftlb778171.1437
2500 Btu1945427.8591553 ftlb1945427.8592
5000 Btu3890855.7183107 ftlb3890855.7183
10000 Btu7781711.4366214 ftlb7781711.4366

British thermal unit → Foot pound

The reverse value is 1 Btu = 778.17114366214 ftlb.