Icebreaker Length Comparison (Meters)
Compare 12 icebreaker overall lengths in meters, from the 40 m Ymer to the 173.3 m Arktika. Exact official coast guard specs for polar ships in a linked tool.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Ymer Buoy Tender Shortest here at 40 m, buoy work. | 40 m (131.2 ft) | Sweden, lake ice buoy | Swedish Maritime Ymer specs: 40 m LOA |
| Oden Research Research ice at 107.8 m. | 107.8 m (353.7 ft) | Sweden, polar research | Swedish Maritime Oden specs: 107.8 m LOA |
| Polarstern Mosaic drift at 117.9 m. | 117.9 m (386.8 ft) | Germany, Alfred Wegener research | AWI Polarstern specs: 117.9 m LOA |
| Healy WAGB-20 US science ice at 128 m. | 128 m (419.9 ft) | USA USCG medium icebreaker | USCG Healy specs: 420 ft (128 m) LOA |
| Polar Star WAGB-10 Heavy polar at 122 m, actually shorter than Healy. | 122 m (400.3 ft) | USA USCG heavy icebreaker | USCG Polar Star specs: 399 ft (122 m) LOA |
| Terry Fox Atlantic guard at 88 m. | 88 m (288.7 ft) | Canada, east coast ice | Canadian Coast Guard Terry Fox specs: 88 m LOA |
| Louis St Laurent Heavy Canadian at 119.8 m. | 119.8 m (393 ft) | Canada, heavy icebreaker | Canadian Coast Guard Louis St Laurent specs: 119.8 m LOA |
| Xue Long 2 Snow dragon at 122.5 m. | 122.5 m (401.9 ft) | China, polar research | Polar Research Institute Xue Long 2 specs: 122.5 m LOA |
| Shirase AG Antarctic run at 138 m. | 138 m (452.8 ft) | Japan, Antarctic supply | JMSDF Shirase specs: 138 m LOA |
| Arktika 22220 Nuclear giant at 173.3 m. | 173.3 m (568.6 ft) | Russia, nuclear Project 22220 | Rosatom Arktika 22220 specs: 173.3 m LOA |
| 50 Let Pobedy Tourist nuclear at 159.6 m. | 159.6 m (523.6 ft) | Russia, nuclear Arktika class | Rosatom 50 Let Pobedy specs: 159.6 m LOA |
| Yamal Shark bow art at 150 m. | 150 m (492.1 ft) | Russia, nuclear Arktika class | Rosatom Yamal specs: 150 m LOA |
About this converter
Icebreakers run 40 to 173.3 m in this table. Ymer buoy tender at 40 opens the small end. Terry Fox at 88, Oden at 107.8, Polarstern at 117.9, Louis St Laurent at 119.8, Polar Star at 122, Xue Long 2 at 122.5, Healy at 128, Shirase at 138, Yamal at 150, 50 Let Pobedy at 159.6 and Arktika 22220 at 173.3 close the polar end. Every figure is overall length LOA from coast guard or institute specs. Helicopter decks stay inside LOA. Ice class stays out because length is the topic.
How to use it
Pick two icebreakers and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. Try 1 Arktika 22220 against 1 Ymer to see the 173.3 to 40 gap in meters or feet. Click any table row to load it as Entry A with amount 1.
Values pin LOA with masts excluded. Polar Star lists 399 ft (122 m), actually shorter than Healy at 420 ft (128 m) despite heavy rating, kept in true size order with note. Arktika 22220 lists 173.3 as longest nuclear here. Ymer buoy tender is small for lakes, kept with note to anchor the scale.
FAQ
Which icebreaker longest here?
Arktika 22220 at 173.3 m LOA, per Rosatom specs.
How long Healy?
128 m (420 ft), per USCG specs.
Why Polar Star shorter than Healy?
Heavy rating is power, not length. Polar Star 122 m, Healy 128 m.
Do heli decks count?
Yes. Decks sit inside LOA.
Sources
- Swedish Maritime Ymer 40 m and Oden 107.8 m; AWI Polarstern 117.9 m
- USCG Healy 128 m and Polar Star 122 m; Canadian Terry Fox 88 m and Louis 119.8 m; Xue Long 2 122.5 m; JMSDF Shirase 138 m; Rosatom Arktika 173.3 m, 50 Let 159.6 m, Yamal 150 m
Last verified: 2026-10-07 · 12 entries
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