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Convert Denier to Pounds per Foot

Instantly convert Denier (den) to Pounds per Foot (lb/ft) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: den to lb/ftmultiply by 7.4663e-8

Reference Table

Denier (den)Pounds per Foot (lb/ft)
17.466267e-8
53.733134e-7
107.466267e-7
250.00000186657
500.00000373313
1000.00000746627

How to Convert Denier to Pounds per Foot

Formula

To convert Denier (den) to Pounds per Foot (lb/ft): multiply by 7.4663e-8

Step-by-Step

  1. Start with your value in Denier (den).
  2. Multiply by 7.4663e-8 to perform the conversion.
  3. The result is your value expressed in Pounds per Foot (lb/ft).

Conversion Factor

1 den = 7.466267e-8 lb/ft

Reverse Factor

1 lb/ft = 13393600 den

Worked Example

Convert 25 Denier to Pounds per Foot: 25 den = 0.00000186657 lb/ft

About Denier (den)

A textile-industry linear-density unit equal to exactly grams per 9,000 meters of fiber or yarn (≈ 1.111 × 10⁻⁷ kg/m = 0.1111 tex). The 9,000-meter basis is preserved from the historic Lyon, France silk-trade measurement standard. Denier ('den' or simply 'D') is the everyday consumer-textile fineness unit: pantyhose and nylon-stocking weight ratings (10-15 den ultra-sheer; 20-40 den medium; 40-80 den opaque; 100-200 den support hosiery), fishing-line braided ratings (Sufix 832, PowerPro, Daiwa J-Braid product lines list denier alongside lb-test), parachute-cord and military 550-cord nylon ripstop fabric per MIL-DTL-32439 (210D - 1680D ranges), outdoor-gear rip-stop nylon and Cordura fabric specifications (Cordura 1000D is the rugged standard for backpacks and tactical equipment; 500D and 330D are lighter weights; Cordura HP and TrueLock have engineered variants), and silk-fabric weight ratings (4.5-8 momme silk shirting; 35+ momme heavyweight silk). 1 denier ≈ 0.111 tex ≈ 1.111 × 10⁻⁷ kg/m.

About Pound per Foot (lb/ft)

An imperial linear-density unit (≈ 1.4882 kg/m per NIST SP 811). The single most important imperial linear-density unit in US engineering because US structural-steel shapes are NAMED by their lb/ft mass per AISC convention: 'W14×90' designates a 14-inch nominal-depth wide-flange beam weighing exactly 90 lb/ft (the second number is always the lb/ft mass). The AISC Steel Construction Manual lists every rolled-steel shape — W, S, M, HP, HSS, C, MC, L, WT, MT — by its lb/ft nominal weight. Also the universal unit for oil-country tubular goods (OCTG) casing and tubing per API 5CT (a typical 5-1/2 inch OD production tubing is 17 lb/ft; 9-5/8 inch OD intermediate casing is 47 lb/ft), petroleum pipeline specifications per API 5L (a 30-inch OD crude-oil pipeline at 0.5-inch wall is ~158 lb/ft), and marine anchor-chain ratings per ABS / DNV (3-inch stud-link anchor chain ~90 lb/ft). Convert lb/ft to kg/m by multiplying by 1.4882; to lb/in by dividing by 12.

Quick Facts

  • 1 Denier equals 7.466267e-8 Pounds per Foot
  • 1 Pound per Foot equals 13393600 Denier
  • Denier is a unit of linear density
  • Pound per Foot is a unit of linear density
  • This conversion is commonly used in textile manufacturing, cable engineering, and structural analysis
  • The Pound per Foot belongs to the imperial system

Common Denier to Pound per Foot Conversions

Denier (den)Pounds per Foot (lb/ft)
0.017.466267e-10
0.17.466267e-9
0.251.866567e-8
0.53.733134e-8
17.466267e-8
21.493253e-7
32.239880e-7
53.733134e-7
107.466267e-7
150.00000111994
200.00000149325
250.00000186657
500.00000373313
750.0000055997
1000.00000746627
2500.0000186657
5000.0000373313
10000.0000746627
50000.000373313
100000.000746627

Understanding Denier

The Denier (symbol: den) is a unit of linear density. A textile-industry linear-density unit equal to exactly grams per 9,000 meters of fiber or yarn (≈ 1.111 × 10⁻⁷ kg/m = 0.1111 tex). The 9,000-meter basis is preserved from the historic Lyon, France silk-trade measurement standard. Denier ('den' or simply 'D') is the everyday consumer-textile fineness unit: pantyhose and nylon-stocking weight ratings (10-15 den ultra-sheer; 20-40 den medium; 40-80 den opaque; 100-200 den support hosiery), fishing-line braided ratings (Sufix 832, PowerPro, Daiwa J-Braid product lines list denier alongside lb-test), parachute-cord and military 550-cord nylon ripstop fabric per MIL-DTL-32439 (210D - 1680D ranges), outdoor-gear rip-stop nylon and Cordura fabric specifications (Cordura 1000D is the rugged standard for backpacks and tactical equipment; 500D and 330D are lighter weights; Cordura HP and TrueLock have engineered variants), and silk-fabric weight ratings (4.5-8 momme silk shirting; 35+ momme heavyweight silk). 1 denier ≈ 0.111 tex ≈ 1.111 × 10⁻⁷ kg/m.

Denier are commonly used in textile manufacturing, cable engineering, and structural analysis.

Understanding Pounds per Foot

The Pound per Foot (symbol: lb/ft) is a unit of linear density. An imperial linear-density unit (≈ 1.4882 kg/m per NIST SP 811). The single most important imperial linear-density unit in US engineering because US structural-steel shapes are NAMED by their lb/ft mass per AISC convention: 'W14×90' designates a 14-inch nominal-depth wide-flange beam weighing exactly 90 lb/ft (the second number is always the lb/ft mass). The AISC Steel Construction Manual lists every rolled-steel shape — W, S, M, HP, HSS, C, MC, L, WT, MT — by its lb/ft nominal weight. Also the universal unit for oil-country tubular goods (OCTG) casing and tubing per API 5CT (a typical 5-1/2 inch OD production tubing is 17 lb/ft; 9-5/8 inch OD intermediate casing is 47 lb/ft), petroleum pipeline specifications per API 5L (a 30-inch OD crude-oil pipeline at 0.5-inch wall is ~158 lb/ft), and marine anchor-chain ratings per ABS / DNV (3-inch stud-link anchor chain ~90 lb/ft). Convert lb/ft to kg/m by multiplying by 1.4882; to lb/in by dividing by 12.

It belongs to the imperial measurement system.

Pounds per Foot are commonly used in textile manufacturing, cable engineering, and structural analysis.

Why Convert Denier to Pounds per Foot?

Converting between Denier and Pounds per Foot is a frequent requirement for engineers, scientists, and students working with linear density values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate linear density conversion is essential.

Frequently Asked Questions

How do I convert Denier to Pounds per Foot?

A textile-industry linear-density unit equal to exactly grams per 9,000 meters of fiber or yarn (≈ 1. To convert Denier to Pounds per Foot, multiply by 7.4663e-8. For example, 25 den equals 0.00000186657 lb/ft.

How many Pounds per Foot are in 1 Denier?

There are 7.466267e-8 Pounds per Foot in 1 Denier.

How many Denier are in 1 Pound per Foot?

There are 13393600 Denier in 1 Pound per Foot.

What is the formula for Denier to Pound per Foot conversion?

The formula is: multiply by 7.4663e-8. This means 1 den = 7.466267e-8 lb/ft.

Is a Denier bigger than a Pound per Foot?

Yes. One Denier is larger than one Pound per Foot because 1 den equals 7.466267e-8 lb/ft, which is less than 1.

When do you need to convert between Denier and Pounds per Foot?

An imperial linear-density unit (≈ 1. Denier and Pound per Foot are both linear density units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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