Green sea turtle
The green sea turtle is a marine reptile that grazes on seagrass and algae in tropical and subtropical seas.
How big is it?
1.1 m long
Also 3.609 ft
Carapace length · defined specimen
A little perspective
About the same scale as Fencing foil.
Fencing foil: A fencing foil is a lightweight sword used in the sport of fencing, designed for thrusting with a blunted tip.
Measurements, assumptions & sources +
Green sea turtle
A chosen 1.1 m carapace length and 150 kg mass. Head and flippers extend beyond the shell.
Defined examples — our methodology
The marked carapace length is calibrated. Unmeasured illustration details are representative.
Fencing foil
A senior fencing foil is limited to 110 cm overall and 500 g ready for use. The flexible blade, guard, grip and button tip are all included in the measured length.
The marked maximum overall length is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 1.1 m
For comparison, this page uses carapace length. This is labelled defined specimen: an explicit comparison model rather than a claim that every example has the same value.
A chosen 1.1 m carapace length and 150 kg mass. Head and flippers extend beyond the shell.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Green sea turtle dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 1.1 m | Not recorded | defined specimen | |
| 150 kg | Not recorded | defined specimen |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · SportLacrosse stick1.041 mA lacrosse stick is a sports implement with a netted head used to catch, carry and throw a ball in lacrosse.
Around the same scale · Living thingsCapybara1.15 mA capybara is the largest living rodent, native to South America and adapted to semi-aquatic habitats.
Nearest higher value · Living thingsEmperor penguin1.15 mThe emperor penguin is a flightless bird native to Antarctica, adapted to breed during the harsh winter.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
More ways to see it
Curated comparisons
There’s always another scale
Follow your curiosity.
Living thingsHoneybee1.5 cmA honeybee is a social insect that lives in a colony and gathers nectar and pollen from flowers.
PeopleHuman1.75 mA human is a primate of the species Homo sapiens, distinguished by habitual upright walking, language and complex tool use.
Living thingsAfrican elephant3.3 mAn African elephant is a large plant-eating mammal recognised by its trunk, tusks and broad ears.
Living thingsBlue whale25 mA blue whale is a baleen whale that feeds by filtering small animals from seawater.
SportFencing foil1.1 mA fencing foil is a lightweight sword used in the sport of fencing, designed for thrusting with a blunted tip.Living thingsCapybara1.15 mA capybara is the largest living rodent, native to South America and adapted to semi-aquatic habitats.
PeopleHuman leg1 mThe human leg is the lower limb extending from the hip to the heel, enabling standing and movement.
Everyday thingsA0 paper1.189 mA0 paper is the largest paper format in the ISO 216 A-series, from which the later A-series formats are produced by repeated halving.