Erg to Foot-Pound Converter

Energy Converter

27 units available

Decimals:

From

To

7.375621e-8

1 erg = 7.375621e-8 ft·lbf

Formula:

ft·lbf = erg × 7.375621e-8

With your value: 1 erg = 7.375621e-8 ft·lbf

How big is that?

Everyday references on a logarithmic scale, all expressed in erg so you can sanity-check the result.

Your value1.00 erg

Heartbeat (1.0e+7× your value)1.00e+7 erg

AA battery charge (1.0e+11× your value)1.00e+11 erg

Slice of bread (2.8e+12× your value)2.80e+12 erg

Daily food intake (8.4e+13× your value)8.40e+13 erg

Litre of petrol (3.4e+14× your value)3.42e+14 erg

Other Erg to Foot-Pound conversions

2 erg to ft·lbf 3 erg to ft·lbf 4 erg to ft·lbf 5 erg to ft·lbf 6 erg to ft·lbf 7 erg to ft·lbf 8 erg to ft·lbf

Erg to Foot-Pound Conversion Table

Erg (erg)	Foot-Pound (ft·lbf)
0.5	3.687811e-8
1	7.375621e-8
2	1.475124e-7
5	3.687811e-7
10	7.375621e-7
15	1.106343e-6
20	1.475124e-6
25	1.843905e-6
50	3.687811e-6
100	7.375621e-6
250	1.843905e-5
500	3.687811e-5
1000	7.375621e-5

Foot-Pound to Erg Conversion Table

Foot-Pound (ft·lbf)	Erg (erg)
0.5	6,779,089.7415
1	13,558,179.483
2	27,116,358.966
5	67,790,897.415
10	135,581,794.83
15	203,372,692.245
20	271,163,589.66
25	338,954,487.075
50	677,908,974.15
100	1,355,817,948.3
250	3,389,544,870.75
500	6,779,089,741.499999
1000	13,558,179,482.999998

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Erg (erg)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Foot-Pound (ft·lbf)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Erg to Foot-Pound

To convert from Erg (erg) to Foot-Pound (ft·lbf), multiply the value by 7.375621e-8.

Formula: ft·lbf = erg × 7.375621e-8

Reverse: erg = ft·lbf × 13,558,179.483

Step-by-Step Example

Start with your value in Erg. For example: 5 erg
Multiply by the conversion factor: 5 x 7.375621e-8
The result is: 3.687811e-7 ft·lbf

About Erg

The erg (erg) is a unit of energy and work. One erg equals 1.000000 × 10^-7 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Foot-Pound

The foot-pound (ft·lbf) is a unit of energy and work. One foot-pound equals 1.355817948 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Foot-Pound are in 1 Erg?

There are exactly 7.375621e-8 Foot-Pound in 1 Erg. This means the conversion factor from Erg to Foot-Pound is 7.375621e-8.

What is the formula to convert Erg to Foot-Pound?

The formula to convert Erg to Foot-Pound is: ft·lbf = erg × 7.375621e-8. For example, to convert 10 Erg to Foot-Pound, you would multiply 10 by 7.375621e-8.

What is a Erg?