📐 Nautical Miles to Chains Converter

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250 nautical miles =
23,015.6 chains
1 nautical mile =
92.0624 chains
1 chain =
0.0108622 nautical miles
Formula
ch = NM × 92.0624
Handy values
5 NM = 460.312 ch · 10 NM = 920.624 ch · 100 NM = 9,206.24 ch

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⚡ Nautical Miles to Chains: the quick answer

1 NM = 92.0624 ch 1 nautical mile equals 92.0624 chains

To convert nautical miles to chains, multiply the value by 92.0624. To go the other way, multiply chains by 0.0108622 to get nautical miles.

↔ Convert chains to nautical miles instead

🧮 Formula

Nautical Miles to Chains
ch = NM × 92.0624
Chains to Nautical Miles
NM = ch × 0.0108622

Where

  • NM = the length in nautical miles
  • ch = the length in chains
Every unit here is defined by its length in meters, so the conversion factor is (meters per nautical mile) ÷ (meters per chain).

📊 Nautical Miles to Chains conversion table

Nautical Miles (NM)Chains (ch)
1 NM92.0624 ch
2 NM184.125 ch
3 NM276.187 ch
4 NM368.249 ch
5 NM460.312 ch
6 NM552.374 ch
7 NM644.436 ch
8 NM736.499 ch
9 NM828.561 ch
10 NM920.624 ch
12 NM1,104.75 ch
14 NM1,288.87 ch
15 NM1,380.94 ch
20 NM1,841.25 ch
21 NM1,933.31 ch
24 NM2,209.5 ch
25 NM2,301.56 ch
30 NM2,761.87 ch
40 NM3,682.49 ch
50 NM4,603.12 ch
60 NM5,523.74 ch
75 NM6,904.68 ch
80 NM7,364.99 ch
100 NM9,206.24 ch
200 NM18,412.5 ch
250 NM23,015.6 ch
300 NM27,618.7 ch
400 NM36,824.9 ch
500 NM46,031.2 ch
750 NM69,046.8 ch
1,000 NM92,062.4 ch

✏️ Worked examples

Convert 25 nautical miles to chains

25 NM × 92.0624 = 2,301.56 ch

Try this example →

Convert 250 nautical miles to chains

250 NM × 92.0624 = 23,015.6 ch

Try this example →

📘 About these units

Nautical mile (NM). A nautical mile is exactly 1,852 meters, based on one minute of latitude, and is used in shipping and aviation.

Chain (ch). A chain is 66 feet (20.1168 m), a surveying unit; 80 chains make one mile.

❓ Frequently asked questions

How many chains are in one nautical mile?

There are 92.0624 chains in one nautical mile.

How do I convert nautical miles to chains?

Multiply the number of nautical miles by 92.0624. For example, 10 nautical miles equal 920.624 chains.

How many nautical miles are in one chain?

One chain equals 0.0108622 nautical miles.

How many chains is 12 nautical miles?

1,104.75 chains. Other common values: 5 nautical miles = 460.312 chains and 100 nautical miles = 9,206.24 chains.

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