# fermi to span conversion

Conversion number between fermi [fm] and span [　] is 4.3744531933508 × 10-15. This means, that fermi is smaller unit than span.

### Contents [show][hide]

Switch to reverse conversion:
from span to fermi conversion

### Enter the number in fermi:

Decimal Fraction Exponential Expression
 [fm]
eg.: 10.12345 or 1.123e5

Result in span

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 fermi = (exactly) (1*10^-15) / (0.2286) = 4.3744531933508 × 10-15 span
• 1 span = (exactly) (0.2286) / (1*10^-15) = 2.286 × 10+14 fermi
• ? fermi × (1*10^-15  ("m"/"fermi")) / (0.2286  ("m"/"span")) = ? span

### High precision conversion

If conversion between fermi to metre and metre to span is exactly definied, high precision conversion from fermi to span is enabled.

Decimal places: (0-800)

fermi
Result in span:
?

### fermi to span conversion chart

 Start value: [fermi] Step size [fermi] How many lines? (max 100)

visual:
fermispan
00
104.3744531933508 × 10-14
208.7489063867017 × 10-14
301.3123359580052 × 10-13
401.7497812773403 × 10-13
502.1872265966754 × 10-13
602.6246719160105 × 10-13
703.0621172353456 × 10-13
803.4995625546807 × 10-13
903.9370078740157 × 10-13
1004.3744531933508 × 10-13
1104.8118985126859 × 10-13
Copy to Excel

## Multiple conversion

Enter numbers in fermi and click convert button.
One number per line.

Converted numbers in span:
Click to select all

## Details about fermi and span units:

Convert Fermi to other unit:

### fermi

Definition of fermi unit: ≡ 1×10−15 m.

Convert Span to other unit:

### span

Definition of span unit: ≡ 9 in. of chiefly historical interest

← Back to Length units