How far is 500 metres?

Five hundred metres is half a kilometre. In a dense city it can span several blocks, while vertically it sits close to the height range of the tallest skyscrapers.

Lotte World TowerHeight · 0.555 km

The height of Seoul's slender, curved supertall tower.

About 10 × Olympic pool

Olympic pool · 0.05 km

Explored distance0.5 km

Bars: actual length ratio. Artwork: browsing size.

Explore the scale

0.5 kmPlayback speed

The references just below and above

Nearby references are selected by their distance on the logarithmic scale.

Time at constant speed

Time = distance ÷ speed · Assumes no acceleration or stops.

Actual time depends on route, stops, weather and operations. Airliner and spacecraft speeds are illustrative scale comparisons.

Objects move along logarithmic spacing, while size is compressed from the real ratio to remain legible.

Artwork and diagram notes

Object, landmark, planet and cosmic-scale artwork is original AI-generated imagery made for ScaleTrip. Maps use public-domain Natural Earth boundaries. Illustrations use logarithmic visual compression to keep objects recognizable; the numerical measurements retain their real values.

Natural Earth — public domain

Make the distance familiar

A 0.5 km length contains 5 straight 100 m sections. Picture a marked 100 m sprint straight repeated end to end, rather than a whole stadium lap.

The midpoint is half the distance. This ruler compares lengths; it is not a map of a real route.

Work it out, one step at a time

Turn kilometres into metres
0.5 × 1,000 = 500 m
One kilometre contains 1,000 metres. The length stays the same.
Choose a speed, then find the time
0.5 km ÷ 5 km/h = 0.1 h ≈ 6 min
At a chosen constant 5 km/h, it takes about 6 minutes. This is a calculation with no stops; hills, traffic and real journey conditions are not included.

What if the speed doubles?

For the same distance and constant speed, time halves. For example, 10 km takes 2 hours at 5 km/h but 1 hour at 10 km/h.

The distance is this page’s chosen input. The speed is a teaching assumption. Time = distance ÷ speed.

Build a scale modelChoose two references and change the model size.

Build a scale model of any two lengths

Choose from all 71 Macro and 54 Micro references, or enter your own length. Set B’s model length and see A change on the same fixed metre ruler. The bars represent the stated lengths, including their different measurement definitions.

Measurements and model scaleLength AReference length BModel length of B (cm)

Custom inputYour length AInput unit

Length ratio A / B: 1.5152×
Model length B: 10 cm
Calculated model length A: 15.152 cm

Fixed scale: 1 m uses 250 drawing units. Moving the model-size slider changes the bar lengths, while the real measurements stay fixed.

Full ratio view: the longer length fills the width. Sub-pixel lengths retain their computed width; read the numerical ratio for very different scales.

A · Chosen distance A

500 m

A chosen input length, not a new measurement of a reference.

User / page input

The ratio follows this input assumption.

Definition and evidence review

B · Eiffel Tower

330 m

Operator-listed current total tower height, 330 m.

Source claim checked

Total current height, not an observation-floor elevation or the original height without an antenna.

Definition and evidence review Original source

model A = (A / B) × model B

This calculator uses the existing journey comparison inputs. Review-pending or conceptual entries remain illustrative inputs here; the public reviewed dataset keeps their numeric values withheld. Radius, height, diameter and experimental bound keep their individual definitions.

Calculation method · Link to this comparison lab

km0.5

m500

mi0.3107

A 500 m shortcut and a 700 m walk

Imagine a flat grid with a destination 300 m east and 400 m north. Predict the direct distance, then the distance along the two perpendicular streets. These are invented endpoints for a geometric example, rather than measurements of a named city.

Illustrative right-angle grid, with equal length scale on both axes. Green: A–B–C route. Dashed: direct A–C separation.

Calculate the detour, then choose your input

The direct line is √(300² + 400²) = 500 m. The street route adds the legs: 300 + 400 = 700 m. Its detour ratio is 700 / 500 = 1.4×, adding 200 m, or 40%.

In this worked example, 500 m describes the direct separation. For a walking-time estimate along the drawn route, use 700 m in the calculator. A real map can supply the route length; crossings, gradients and pauses then supply the conditions.

Closest ScaleTrip references

Page distance: 0.5 km

Lotte World TowerReference measurement: Height · 0.555 km
Ratio (page distance ÷ reference): ≈ 0.9×
The height of Seoul's slender, curved supertall tower.
Empire State BuildingReference measurement: Height · 0.443 km
Ratio (page distance ÷ reference): ≈ 1.13×
The height including its stepped Art Deco crown and spire.
Eiffel TowerReference measurement: Height · 0.33 km
Ratio (page distance ÷ reference): ≈ 1.52×
The height of the Eiffel Tower, known for its four splayed lattice legs.