Disclaimer: This calculator does not release you of your responsibility to anchor safely, it does not replace experience nor good seamanship!
Vessel weight
kg
Vessel length
metres
vessel type
mono slim
mono med
mono bulky
cat slim
cat med
cat bulky
tri slim
tri med
tri bulky
Chain size
size
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
11 mm
12 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
20 mm
23 mm
26 mm
28 mm
30 mm
32 mm
36 mm
40 mm
42 mm
1/8''
3/16''
1/4''
5/16''
3/8''
7/16''
1/2''
9/16''
5/8''
11/16''
3/4''
13/16''
7/8''
15/16''
1''
17/16''
9/8''
19/16''
5/4''
21/16''
11/8''
23/16''
3/2''
Max
metres
Wind strength
knots
Anchor depth
+
metres
Seabed angle
°
Swell energy or Vessel velocity @ ⚓
Joule
knots
Snubber
quality
none
lousy
poor
ok-ish
good
very good
excellent
Chain length
metres
Bow swinging circle
metres
Anchor load
kp
Angle
°
Bow load
kp
Angle
°
Snubber stretch
metres
%
A brief introduction to the App can be found
in
English
, auf
Deutsch
, en
Français
y en
Español
A tutorial video can be found
here
!
A more powerful version of this online app, that can also do a mix of chain and rope, can be found on
Apple Store
and
Google Play
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