convertimate Catheter sizes (French)

Inches to French

Type a value in in to get it in Fr instantly.

1,066.8Fr

That's 27× as wide as a colonoscope — nothing on our list beats it. Its circumference is about 1,117 mm.

What it means

How wide is that tube?

French gives the outer diameter. The inner lumen is smaller and depends on the wall thickness and material.

The math

How to convert in to Fr

To convert inches to French, multiply by 76.2.

Example: 14 in × 76.2 = 1,066.8 Fr.

In the other direction, 1 Fr = 0.0131234 in.

Every unit

That tube size in every unit

Tables

in to Fr conversion table

in to Fr conversion table
inFr
3 in228.6 Fr
4 in304.8 Fr
5 in381 Fr
6 in457.2 Fr
7 in533.4 Fr
8 in609.6 Fr
10 in762 Fr
12 in914.4 Fr
14 in1,066.8 Fr
16 in1,219.2 Fr
18 in1,371.6 Fr
20 in1,524 Fr
22 in1,676.4 Fr
24 in1,828.8 Fr
28 in2,133.6 Fr
30 in2,286 Fr
Fr to in conversion table
Fr to in conversion table
Frin
3 Fr0.0393701 in
4 Fr0.0524934 in
5 Fr0.0656168 in
6 Fr0.0787402 in
7 Fr0.0918635 in
8 Fr0.104987 in
10 Fr0.131234 in
12 Fr0.15748 in
14 Fr0.183727 in
16 Fr0.209974 in
18 Fr0.23622 in
20 Fr0.262467 in
22 Fr0.288714 in
24 Fr0.314961 in
28 Fr0.367454 in
30 Fr0.393701 in

Quick answers

Quick answers

How many Fr is 1 in?
1 in is 76.2 Fr.
How many Fr is 10 in?
10 in is 762 Fr.
How many Fr is 14 in?
14 in is 1,066.8 Fr.

The units

About these units

Inches (in)

Outer diameter in inches.

French (Fr)

Outer diameter in thirds of a millimeter.

Learn more about tube size units

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