Centimeters to Fathoms
Type a value in either box to convert between centimeters and fathoms. The factor is 0.00546807.
| Centimeters | Fathoms |
|---|---|
| 1 cm | 0.005468 ftm |
| 2 cm | 0.010936 ftm |
| 3 cm | 0.016404 ftm |
| 5 cm | 0.02734 ftm |
| 10 cm | 0.054681 ftm |
| 25 cm | 0.136702 ftm |
| 50 cm | 0.273403 ftm |
| 100 cm | 0.546807 ftm |
How to use
- Enter a value in the Centimeters field.
- The Fathoms figure appears immediately — no button to press.
- Typing in the Fathoms field converts back to Centimeters the same way.
- Use the reference table for the values that come up most often.
Centimeters to Fathoms formula
To convert centimeters to fathoms, multiply by 0.00546806649.
ftm = cm × 0.00546806649
Why this factor: the centimeter and the fathom are both defined against the meter, so dividing one definition by the other gives 0.00546806649 directly. Both definitions are set out in full below.
To go the other way, divide by 0.00546806649 — or use the Fathoms to Centimeters converter, which is the same calculation reversed.
Worked example
Take 12 cm and multiply by the factor 0.00546806649: the result is 0.065617 ftm.
12 cm × 0.00546806649 = 0.065617 ftm
The converter above does this for any value you type, in either direction.
What is a centimeter?
A centimeter is one hundredth of a meter, the everyday metric unit for body and object measurements.
Definition: Exactly 0.01 meter by SI prefix definition.
Where it is used: Height, clothing sizes, rainfall, paper and screen dimensions across the metric world.
What is a fathom?
A fathom is six feet, the traditional unit for water depth.
Definition: Six international feet, so exactly 1.8288 meters.
Where it is used: Nautical charts, depth soundings, and anchor and cable lengths.
Centimeters vs Fathoms
The centimeter is a metric unit while the fathom is a specialized unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many fathoms are in a centimeter?
One centimeter equals 0.00546806649 fathoms.
What is the formula to convert centimeters to fathoms?
Multiply the number of centimeters by 0.00546806649. To reverse it, divide by 0.00546806649 instead.
How do I convert fathoms back to centimeters?
Divide by 0.00546806649, which is the same as multiplying by 182.88.
How many fathoms are in 10 centimeters?
10 cm works out to 0.054681 ftm.
How is the centimeter defined?
Exactly 0.01 meter by SI prefix definition.