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⚡ Ramsden Chains to Nautical Miles: the quick answer
1 rch = 0.0164579 NM
1 Ramsden chain equals 0.0164579 nautical miles
To convert Ramsden chains to nautical miles, multiply the value by 0.0164579.
To go the other way, multiply nautical miles by 60.7612 to get Ramsden chains.
↔ Convert nautical miles to Ramsden chains instead
🧮 Formula
Every unit here is defined by its length in meters, so the conversion factor is (meters per Ramsden chain) ÷ (meters per nautical mile).
📊 Ramsden Chains to Nautical Miles conversion table
✏️ Worked examples
Convert 25 Ramsden chains to nautical miles
25 rch × 0.0164579 = 0.411447 NM
Try this example →
Convert 250 Ramsden chains to nautical miles
250 rch × 0.0164579 = 4.11447 NM
Try this example →
📘 About these units
Ramsden chain (rch). The Ramsden or engineer's chain is 100 feet (30.48 m), used in engineering surveys.
Nautical mile (NM). A nautical mile is exactly 1,852 meters, based on one minute of latitude, and is used in shipping and aviation.
❓ Frequently asked questions
How many nautical miles are in one Ramsden chain?
There are 0.0164579 nautical miles in one Ramsden chain.
How do I convert Ramsden chains to nautical miles?
Multiply the number of Ramsden chains by 0.0164579. For example, 10 Ramsden chains equal 0.164579 nautical miles.
How many Ramsden chains are in one nautical mile?
One nautical mile equals 60.7612 Ramsden chains.
🔗 More length conversions
All length units →
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