mapbench
Interactive toolEarth Science

World Elevation Atlas

Sample 49 modelled elevations around a selected point. The resulting cells and statistics describe the samples, not every part of the ground.

By Aryan Khan, Founder & Editor · Updated October 2026

✓ No account required✓ Worldwide✓ No installation required
Tool workspace
Enter your inputs and review the result
Loading tool…

The displayed grid summarizes sampled model estimates, not a complete terrain survey.

Simple workflow

How to use World Elevation Atlas

One point's elevation is a fact; forty-nine are a landscape:

This tool requests 49 elevation samples from Open-Meteo, colors cells by their centre samples, and reports sample minimum, maximum, mean and relief. It cannot establish the true highest or lowest ground in the whole area.

  1. 1Set the centre point (search, GPS or click).
  2. 2Choose the area size.
  3. 3Press “Map the elevations” and read the grid.

What people use World Elevation Atlas for

1. Relief reconnaissance anywhere

Planning in unfamiliar country — a trek, a site, a purchase — starts with how the land rises. The Terrain Elevation Grid Map turns the same kind of sampling into slopes.

2. Comparing places' terrain character

Two candidate towns, two grids: the spread between a grid's lowest and highest cells is the place's relief personality in one glance.

3. Checking a single-point reading

A suspicious elevation from one source gets cross-examined by its neighbours. Terrain is continuous; a cell that disagrees with all forty-eight neighbours is the dataset clearing its throat.

4. Geography education

Sample the Nile delta, the Tibetan Plateau's edge and the Netherlands in one lesson — relief stops being a colour scale and becomes numbers students can argue with.

Worked examples

Example · The Denver mile

Denver's official elevation is 5,280 feet by civic pride and about 1,609 metres by survey — 'mile high' within a rounding of the published figure. An atlas grid around the city shows the plains' gentle rise toward the foothills instead.

Example · Below sea level, honestly

A model sample can be below sea level, but a sampled cell need not reproduce an exact shoreline or basin elevation. Use authoritative surveys for precise measurements.

How to interpret the result

The most common errors come from using a correct result to answer the wrong geographic question. Keep these points in mind for World Elevation Atlas:

  • Remember that elevation models see bare terrain: no buildings, no forest canopy. A line-of-sight 'clear' verdict can still be blocked by a wood, and a horizon distance assumes open ground — treat results as the terrain baseline, then add land cover from local knowledge.
  • Include your height inputs explicitly (eye height, mast height, deck level) when sharing visibility results: the same hill answers differently for a child, an adult and a 10 m antenna, and unstated heights make numbers unreproducible.

Limits & appropriate use

Terrain intelligence carries one dominant limit: the model sees bare earth at ~90 m spacing with metres of vertical error, and is blind to canopies, walls and wires. Every downstream answer inherits it — profiles show terrain truth with noisy amplitude, line-of-sight verdicts are pending trees, horizons assume open ground, and solar radiation averages assume an unshaded panel. The second limit is temporal: climate letters and hardiness zones are thirty-year character, not this year's behaviour, and seismicity is a mood, not a hazard model. Each result here is printed with its recipe precisely so these boundaries travel with the number.

The value proposition is screening-grade truth at zero cost: orientation for sites, gardens, antennas, shoots and curiosity, with the upgrade points clearly marked. When money or safety attaches to the answer — tower siting, flood insurance, structural shading, avalanche terrain — the escalation is professional: licensed survey, certified shade studies, regulatory flood determinations and geological hazard services. A good free tool makes that ladder visible instead of pretending to be the top of it.

  • Construction and tower siting → licensed topographic survey.
  • Flood decisions → regulatory determinations (FEMA/FIRM in the US).
  • Solar finance → certified shade and production studies.

Data & methodology

Open-Meteo elevation API over a 7×7 destination-computed grid; each cell uses its centre sample.

For source details, licences and model limitations, see Data Sources and Methodology.

Key terms worth knowing

Antipode
The diametrically opposite point; latitude flips, longitude shifts 180°.
Köppen class
The letter-code climate system from temperature/precipitation thresholds.

Editorial guidance: MapBench explains the method and limitations so the tool can be used as a transparent reference, not as a black-box answer. For legal boundaries, safety-critical routing, surveying, engineering, regulated decisions or official statistics, verify the result with the responsible authority or a qualified professional.

Category: Earth Science. Results are intended for everyday analysis and planning unless a page explicitly states otherwise.

Method, assumptions & limits

This tool’s method
Open-Meteo elevation API over a 7×7 destination-computed grid; each cell uses its centre sample.
Before relying on the answer
Check the location, height units and any model options shown by this calculator. A terrain lookup and a geometric Earth model answer different questions.
What the result cannot establish
Local terrain, atmospheric conditions and source resolution can matter more than numerical rounding. Do not use a planning result for safety-critical work.

Coverage: Worldwide. Search, basemap and external data requests may use third-party services; browser-based does not mean every operation is offline. Read the source and licence notes, calculation methodology and privacy policy. If a result looks inconsistent, report a correction with the inputs and mode used.

Common questions

Frequently asked questions

Clear answers about the calculation, accuracy and appropriate use.

Which elevation model is used?

Open-Meteo's elevation service, which blends global terrain datasets at roughly 90 m resolution.

Ocean clicks?

The provider may return a value, no value or an error. A zero is not proof of land or ocean.

Is this suitable for engineering or legal decisions?

Treat the result as planning or educational context unless the page explicitly says otherwise. Engineering, hazard and legal decisions should use authoritative specialist data.

Why can terrain data differ between sources?

Elevation and earth datasets vary in resolution, collection date and processing method. Small local features may not be represented equally.

Can I verify the data source?

Yes. MapBench documents major providers and methodology on the Data Sources and Methodology pages.

How accurate are the grid elevations?

They inherit the source terrain model's accuracy — typically a few metres in gentle country, coarser on cliffs and narrow ridges. Fine for relief reading; not a substitute for a survey where a boundary or a building depends on it.

Why a 7×7 grid instead of one point?

Terrain questions are pattern questions. Forty-nine samples expose slope direction, drainage hints and dataset oddities that one number hides — at the cost of nothing but a wider click.

Does the ocean return zero?

Ocean cells in elevation models generally read at or near sea level (bathymetry is usually outside these land models), so read sea cells as 'surface', not as seabed depth.

What area sizes make sense?

Match the question: a property wants hundreds of metres across; a mountain range wants tens of kilometres. The same grid logic serves both — cell spacing scales with the area you pick.

Why can the atlas disagree with my GPS altitude?

GPS altitude is ellipsoidal and noisy (often ±10–30 m vertically in consumer gear); the atlas is a terrain model tied to sea level. A disagreement of a few metres is normal; a hundred metres is a story worth investigating.

Highest and lowest possible readings?

The land surface spans Everest's 8,849 m down to the Dead Sea shore near −430 m — both published survey figures. Any grid value outside that span is a data error, not a discovery.

Can I sample the poles or mid-ocean islands?

Yes — the atlas is global. Polar and island grids work wherever the underlying model has coverage, which for modern global terrain data is effectively everywhere on land.

Related tools and resources

Slopes from samples: the Terrain Elevation Grid Map; one point: the Elevation Finder; profiles: the Elevation Profile.

Keep measuring

More free tools

How this page is maintained

Sources, methodology & editorial trust

Data & privacy
  • ✓ Browser-first processing where supported
  • ✓ External sources are documented
  • ✓ No account required for public tools
  • ✓ Review data sources
Method & review

Calculations are documented with their assumptions, limitations and source context rather than presented as unexplained answers.

Editor & category

Reviewed and maintained by Aryan Khan, Founder & Editor of MapBench.

Earth Science
Browse all Earth Science →

Part of our elevation & terrain hub

World Elevation Atlas sits in the elevation & terrain cluster, alongside 40 other tools that answer neighbouring questions with different methods or datasets.

You may also need

When this answer is only part of the job, these clusters cover the next step.

Read the guide behind this tool

How to Find Elevation on Google Maps — Check the elevation of any spot on Google Maps — desktop, mobile, and the precise method with exact numbers.