Convert Decimetre to Chain

1 decimetre = 0.00497097 chain (ch). For example, 10 decimetre = 0.0497097 chain and 100 decimetre = 0.497097 chain. Type any value below to convert decimetre to chain both ways — it runs entirely in your browser.

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Quick answer: Decimetre to Chain

1 Decimetre = 0.00497097 Chain (dm → ch). To convert decimetre to chain, multiply by 0.00497097. To convert chain to decimetre, multiply by 201.168. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common decimetre-to-chain questions.

How to convert Decimetre to Chain

To convert decimetre to chain, multiply the number of decimetre by the conversion factor 0.00497097, because 1 dm = 0.00497097 ch. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 ch = 201.168 dm, so you divide by 0.00497097 (or multiply by 201.168) to turn chain back into decimetre.

ch = dm × 0.00497097  ·  dm = ch × 201.168

  1. Write down the value you want to convert, in decimetre.
  2. Multiply it by 0.00497097.
  3. The result is the same area/length/quantity expressed in chain.

Decimetre to Chain — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 decimetre is 0.02485485 chain because 5 dm × 0.00497097 = 0.02485485 ch.

DecimetreCalculationChain
1 dm1 dm × 0.00497097 = 0.00497097 ch0.00497097 ch
2 dm2 dm × 0.00497097 = 0.009941939 ch0.009941939 ch
3 dm3 dm × 0.00497097 = 0.01491291 ch0.01491291 ch
5 dm5 dm × 0.00497097 = 0.02485485 ch0.02485485 ch
7 dm7 dm × 0.00497097 = 0.03479679 ch0.03479679 ch
10 dm10 dm × 0.00497097 = 0.0497097 ch0.0497097 ch
12 dm12 dm × 0.00497097 = 0.05965163 ch0.05965163 ch
15 dm15 dm × 0.00497097 = 0.07456454 ch0.07456454 ch
20 dm20 dm × 0.00497097 = 0.09941939 ch0.09941939 ch
25 dm25 dm × 0.00497097 = 0.1242742 ch0.1242742 ch
50 dm50 dm × 0.00497097 = 0.2485485 ch0.2485485 ch
100 dm100 dm × 0.00497097 = 0.497097 ch0.497097 ch

Common Decimetre to Chain conversions

These are the decimetre-to-chain values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

  • 1 decimetre = 0.00497097 chain
  • 2 decimetre = 0.009941939 chain
  • 2.5 decimetre = 0.01242742 chain
  • 3 decimetre = 0.01491291 chain
  • 4 decimetre = 0.01988388 chain
  • 5 decimetre = 0.02485485 chain
  • 6 decimetre = 0.02982582 chain
  • 7 decimetre = 0.03479679 chain
  • 8 decimetre = 0.03976776 chain
  • 9 decimetre = 0.04473873 chain
  • 10 decimetre = 0.0497097 chain
  • 12 decimetre = 0.05965163 chain
  • 15 decimetre = 0.07456454 chain
  • 20 decimetre = 0.09941939 chain
  • 25 decimetre = 0.1242742 chain
  • 30 decimetre = 0.1491291 chain
  • 50 decimetre = 0.2485485 chain
  • 75 decimetre = 0.3728227 chain
  • 100 decimetre = 0.497097 chain
  • 200 decimetre = 0.9941939 chain
  • 500 decimetre = 2.485485 chain
  • 1000 decimetre = 4.97097 chain

Decimetre to Chain conversion chart (both directions)

The chart below converts decimetre to chain and chain to decimetre side by side, so it works whichever way you need. 1 decimetre = 0.00497097 chain, and 1 chain = 201.168 decimetre.

Decimetre → Chain Chain → Decimetre
0.25 dm = 0.001242742 ch 0.25 ch = 50.292 dm
0.5 dm = 0.002485485 ch 0.5 ch = 100.584 dm
1 dm = 0.00497097 ch 1 ch = 201.168 dm
2 dm = 0.009941939 ch 2 ch = 402.336 dm
3 dm = 0.01491291 ch 3 ch = 603.504 dm
4 dm = 0.01988388 ch 4 ch = 804.672 dm
5 dm = 0.02485485 ch 5 ch = 1,005.84 dm
6 dm = 0.02982582 ch 6 ch = 1,207.008 dm
7 dm = 0.03479679 ch 7 ch = 1,408.176 dm
8 dm = 0.03976776 ch 8 ch = 1,609.344 dm
9 dm = 0.04473873 ch 9 ch = 1,810.512 dm
10 dm = 0.0497097 ch 10 ch = 2,011.68 dm
12 dm = 0.05965163 ch 12 ch = 2,414.016 dm
15 dm = 0.07456454 ch 15 ch = 3,017.52 dm
20 dm = 0.09941939 ch 20 ch = 4,023.36 dm
25 dm = 0.1242742 ch 25 ch = 5,029.2 dm
30 dm = 0.1491291 ch 30 ch = 6,035.04 dm
40 dm = 0.1988388 ch 40 ch = 8,046.72 dm
50 dm = 0.2485485 ch 50 ch = 10,058.4 dm
75 dm = 0.3728227 ch 75 ch = 15,087.6 dm
100 dm = 0.497097 ch 100 ch = 20,116.8 dm
150 dm = 0.7456454 ch 150 ch = 30,175.2 dm
200 dm = 0.9941939 ch 200 ch = 40,233.6 dm
250 dm = 1.242742 ch 250 ch = 50,292 dm
500 dm = 2.485485 ch 500 ch = 100,584 dm
1000 dm = 4.97097 ch 1000 ch = 201,168 dm

Decimetre vs Chain: which is bigger?

1 dm1 ch
Relative size of 1 Decimetre (dm) and 1 Chain (ch).

A chain is the larger unit: one chain equals 201.168 decimetres. Put another way, you need 201.168 decimetres to make a single chain.

What is a Decimetre? History, origin and usage

The decimetre is the metre divided by ten, using the prefix 'deci-' from the Latin decimus, 'tenth'. It was one of the original submultiple prefixes introduced with the metric system in France in 1795.

The decimetre is rarely used in everyday speech, overshadowed by the centimetre and the metre. It appears mostly in classrooms illustrating decimal place value, though it stays quietly relevant because a cubic decimetre is exactly one litre.

Because a cubic decimetre equals one litre, the decimetre underpins the metric measurement of liquid volume. Its prefix 'deci-' is Latin, unlike the Greek-derived prefixes used for the larger metric steps.

What is a Chain? History, origin and usage

The chain was introduced in 1620 by the English clergyman and mathematician Edmund Gunter, who built a 66-foot iron chain of 100 links to make land surveying accurate and decimal-friendly. It cleverly reconciled the old four-based English units with decimal arithmetic, since ten square chains make exactly one acre.

Gunter's chain became the basis of property surveys across England and the British Empire and shaped the rectangular land grids of the United States and Canada. Though largely obsolete, it still turns up in old deeds and, famously, as the length of a cricket pitch.

A cricket pitch is exactly one chain, or 22 yards, long. Eighty chains make a mile, and because ten square chains equal one acre the design simplified land calculations for centuries.

Convert 1 Decimetre to other units

It can help to see a decimetre next to the other units it is commonly compared with. One decimetre (dm) is equal to:

1 Decimetre equalsUnit
0.0001 kmKilometre
0.1 mMetre
10 cmCentimetre
100 mmMillimetre
100,000 µmMicrometre
0.00006213712 miMile
0.1093613 ydYard
0.328084 ftFoot
3.937008 inInch
0.00005399568 nmiNautical Mile
0.000497097 furFurlong
0.00497097 chChain
0.497097 liLink
0.01988388 rdRod
0.01988388 polePole
0.05468066 ftmFathom
0.984252 handHand
0.4374453 spanSpan
0.8748906 fingerFinger
0.2187227 cubitCubit
0.0164042 ropeRope
0.055 kenKen
0.00002071237 leaLeague
283.4646 ptPoint
6.6846e-13 AUAstronomical Unit
1.057e-17 lyLight-year
0.01 damDecametre
0.001 hmHectometre
0.00001799856 nlNautical League

Convert 1 Chain to other units

One chain (ch) is equal to:

1 Chain equalsUnit
0.0201168 kmKilometre
20.1168 mMetre
201.168 dmDecimetre
2,011.68 cmCentimetre
20,116.8 mmMillimetre
20,116,800 µmMicrometre
0.0125 miMile
22 ydYard
66 ftFoot
792 inInch
0.0108622 nmiNautical Mile
0.1 furFurlong
100 liLink
4 rdRod
4 polePole
11 ftmFathom
198 handHand
88 spanSpan
176 fingerFinger
44 cubitCubit
3.3 ropeRope
11.06424 kenKen
0.004166667 leaLeague
57,024 ptPoint
1.3447e-10 AUAstronomical Unit
2.1263e-15 lyLight-year
2.01168 damDecametre
0.201168 hmHectometre
0.003620734 nlNautical League

Tips for converting Decimetre to Chain

  • To go from decimetre to chain, multiply by 0.00497097; to go back, divide by 0.00497097 (or multiply by 201.168).
  • For a quick mental estimate, remember that 1 decimetre ≈ 0.00497097 chain, so 10 decimetre ≈ 0.0497097 chain.
  • The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
  • Both fields update live as you type — change either side to convert in that direction.

How to use this Decimetre to Chain converter

Type a number into the Decimetre field and the equivalent in Chain appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Chain field to convert the other way (chain to decimetre). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 dm = 0.00497097 ch), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for decimetre-to-chain conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

The metric units (km, m, cm, mm, µm) are exact by definition, and the imperial units (mile, yard, foot, inch, nautical mile) use their exact international values. Traditional units (hand, span, finger, cubit, rod/pole, link, rope, ken, league) are given at their commonly accepted standard sizes — historical local values sometimes differed, so confirm against a primary source before relying on them for legal or historical work.

Frequently asked questions

How many chain are in 1 decimetre?
1 decimetre = 0.00497097 chain (ch). To convert any number of decimetre to chain, multiply by 0.00497097.
How do I convert decimetre to chain?
Multiply the number of decimetre by 0.00497097. For example, 10 decimetre = 10 × 0.00497097 = 0.0497097 chain, and 25 decimetre = 0.1242742 chain.
How many decimetre are in 1 chain?
1 chain = 201.168 decimetre. So to convert chain back to decimetre, multiply by 201.168.
What is the formula to convert decimetre to chain?
chain = decimetre × 0.00497097. The reverse formula is decimetre = chain × 201.168.
How much is 100 decimetre in chain?
100 decimetre = 0.497097 chain. (And 1000 decimetre = 4.97097 chain.)
Which is bigger, a decimetre or a chain?
A chain is larger: 1 chain = 201.168 decimetre.
Is this decimetre to chain converter accurate?
Yes — every value is computed from the exact 0.00497097 ch per dm factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert chain to decimetre too?
Yes. The converter works both ways — enter a value in either field. 1 chain = 201.168 decimetre.

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