Convert Fathom to Span
Input the number of fathoms you want to convert to spans.
How to Convert Fathoms to Spans
The fathom and span are both units of length. By definition, 1 fathom equals exactly 8 spans. This means to convert fathoms to spans, you multiply by 8.
Formula
Step-by-Step Example
Convert 5 fathom to spans:
We need to convert fathoms to spans
Since 1 fathom = 8 span, multiply by 8
5 × 8 = 40
5 fathom = 40 span
Fathom to Span Conversion Table
Quick reference table for common fathom to span conversions. Click any value for detailed calculation.
| Fathoms (fathom) | Spans (span) |
|---|---|
| 1 fathom | 8 span |
| 2 fathom | 16 span |
| 5 fathom | 40 span |
| 10 fathom | 80 span |
| 15 fathom | 120 span |
| 20 fathom | 160 span |
| 25 fathom | 200 span |
| 50 fathom | 400 span |
| 100 fathom | 800 span |
About These Units
Fathom (fathom)
A fathom is a nautical unit equal to 6 feet or 1.8288 meters. Fathoms traditionally measure water depth and anchor chain length. The term comes from Old English "fæðm" meaning outstretched arms. Depth soundings were historically reported in fathoms.
Span (span)
A span is a historical unit approximately 9 inches or 22.86 centimeters, based on the distance from thumb tip to pinky tip with fingers spread. Two spans equal one cubit. Used in ancient measurements and biblical references.
Frequently Asked Questions
How do I convert fathoms to spans?
To convert fathoms to spans, multiply the value by 8. For example, 10 fathom = 80 span.
How many spans are in 1 fathom?
1 fathom equals 8 spans.
What is the formula for fathoms to spans?
The formula is: span = fathom × 8.