French to inches
Type a value in Fr to get it in in instantly.
0.1837in
That's 1.75× as wide as an 8 Fr feeding tube, while a 16 Fr urinary catheter is 1.14× wider. Its circumference is about 14.66 mm.
Convert the other way: in to Fr
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 Fr to in
To convert French to inches, multiply by 0.0131234.
Example: 14 Fr × 0.0131234 = 0.183727 in.
In the other direction, 1 in = 76.2 Fr.
Every unit
That tube size in every unit
Tables
Fr to in conversion table
| Fr | in |
|---|---|
| 3 Fr | 0.0393701 in |
| 4 Fr | 0.0524934 in |
| 5 Fr | 0.0656168 in |
| 6 Fr | 0.0787402 in |
| 7 Fr | 0.0918635 in |
| 8 Fr | 0.104987 in |
| 10 Fr | 0.131234 in |
| 12 Fr | 0.15748 in |
| 14 Fr | 0.183727 in |
| 16 Fr | 0.209974 in |
| 18 Fr | 0.23622 in |
| 20 Fr | 0.262467 in |
| 22 Fr | 0.288714 in |
| 24 Fr | 0.314961 in |
| 28 Fr | 0.367454 in |
| 30 Fr | 0.393701 in |
in to Fr conversion table
| in | Fr |
|---|---|
| 3 in | 228.6 Fr |
| 4 in | 304.8 Fr |
| 5 in | 381 Fr |
| 6 in | 457.2 Fr |
| 7 in | 533.4 Fr |
| 8 in | 609.6 Fr |
| 10 in | 762 Fr |
| 12 in | 914.4 Fr |
| 14 in | 1,066.8 Fr |
| 16 in | 1,219.2 Fr |
| 18 in | 1,371.6 Fr |
| 20 in | 1,524 Fr |
| 22 in | 1,676.4 Fr |
| 24 in | 1,828.8 Fr |
| 28 in | 2,133.6 Fr |
| 30 in | 2,286 Fr |
Quick answers
Quick answers
- How many in is 1 Fr?
- 1 Fr is 0.0131234 in.
- How many in is 10 Fr?
- 10 Fr is 0.131234 in.
- How many in is 14 Fr?
- 14 Fr is 0.183727 in.
The units
About these units
French (Fr)
Outer diameter in thirds of a millimeter.
Inches (in)
Outer diameter in inches.
Keep going