Pencil
A pencil is a writing or drawing instrument with a graphite or coloured core encased in wood or another material.
How big is it?
19 cm long
Also 7.48 in
Length · example
A little perspective
Pencil vs Sea hare: length comparison
The body length of a sea hare is about 1.05 times the length of a pencil.
A pencil is a writing or drawing instrument with a graphite or coloured core encased in wood or another material.
A sea hare is a soft-bodied marine mollusc related to sea slugs, capable of releasing ink when threatened.
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions.
Measurements, assumptions & sources +
Pencil
Length: 19 cm; example.
A 19 cm, 7 g example pencil.
Defined examples — our methodology
The marked length is calibrated. Unmeasured illustration details are representative.
Sea hare
Defined body length: 20 cm; defined specimen; range 12 cm–30 cm.
A defined 20 cm Aplysia sea hare measured along the relaxed body. Species, maturity and posture vary greatly; extended oral tentacles are excluded.
Monterey Bay Aquarium — California sea hare
The marked defined body length is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 19 cm
We compare the length of a pencil. This is an illustrative comparison value, not a claim that every example is the same.
A 19 cm, 7 g example pencil.
The marked horizontal span follows the measured feature, not the edges of the image. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 19 cm | Not recorded | example | |
| 7 g | Not recorded | example |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valueEveryday objectsCauliflower head18 cmDefined curd diameterA cauliflower head is the dense, edible white curd of the cauliflower plant, formed by undeveloped flower buds.
Around the same scaleEveryday objectsCabbage head20 cmDefined head diameterA cabbage head is the compact, leafy, edible part of a green cabbage plant, commonly used as a vegetable.
Nearest higher valueEveryday objectsPaperback book20 cmHeightA paperback book is a collection of printed pages bound with a flexible paper cover for reading.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 thingsSea hare20 cmA sea hare is a soft-bodied marine mollusc related to sea slugs, capable of releasing ink when threatened.Everyday thingsCabbage head20 cmA cabbage head is the compact, leafy, edible part of a green cabbage plant, commonly used as a vegetable.
SportDisc golf driver21.1 cmA disc golf driver is a specialised flying disc designed for long-distance throws in the sport of disc golf.
SpaceVanguard 116.5 cmVanguard 1 is an early American satellite launched in 1958, notable for being the oldest human-made object still in orbit.
PeopleHuman brain15 cmThe human brain is the organ that processes sensory information and coordinates thought, memory, movement and many body functions.
Living thingsBasket star20 cmA basket star is a marine echinoderm related to brittle stars, with repeatedly branching arms adapted for filter feeding.Everyday thingsCauliflower head18 cmA cauliflower head is the dense, edible white curd of the cauliflower plant, formed by undeveloped flower buds.
Built worldBrick21.5 cmA brick is a rectangular block made from clay or concrete, commonly used in building walls and structures.