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Mind the gap between world and map!

Geographic Calculator® is a powerful geodetic software for accurate coordinate conversion, datum transformation, and file translation.

Built on the foundation of the largest geodetic parameter database available Geographic Calculator excels in the fields of surveying, seismic data management, and energy exploration.

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High-accuracy, time-dependent, & advanced coordinate system management for all your GIS planning and mapping.

Interactive Coordinate Conversion

Convert coordinates between projections, datums, and reference systems in real time.

Advanced Point Database Transformations

Perform transformations, scaling, translation, and datum derivation on large point databases with precision.

Unmatched Vertical Datum Support

Industry’s most extensive library of vertical datums, including complex and regional height systems.

Best Fit System Creation

Align data from unknown or non-geodetic coordinate systems to known geodetic datums.

Vector Data Conversion

Convert vector datasets between coordinate systems and datums while maintaining geometry integrity.

Seismic Survey Conversion

Transform seismic survey data between coordinate systems and datums while preserving spatial accuracy.

Time-Dependent Coordinate Positioning

Manage horizontal time-dependent positioning to maintain accuracy as tectonic motion and reference frames change.

Raster Data Conversion and Georeferencing

Reproject, convert, and georeference raster data to ensure accurate alignment with other spatial datasets.

Comprehensive Georeferencing Tools

Assign, modify, and validate spatial reference information to ensure data accuracy across all GIS workflows.

Geographic Calculator Suite

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Precision geospatial calculations, anywhere you need them

Geographic Calculator Cloud brings Blue Marble’s trusted geodetic and coordinate transformation tools to the cloud. Access accurate, real-time calculations for projections, datums, and transformations from any device, streamlining workflows and ensuring consistent results across your projects.

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Bring Trusted Geospatial Accuracy to Your Application

The GeoCalc Software Development Kit® (SDK) gives developers access to Blue Marble’s trusted coordinate transformation technology. Designed for easy integration, it lets you add accurate geodetic calculations to your application without building complex transformation logic from scratch.

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One SDK for Transformations, Formats, and Geometry

GeoCore Software Development Kit® (SDK) makes it easy to add advanced geospatial functionality to your applications. Built on the trusted GeoCalc® SDK, it supports accurate coordinate transformations along with robust raster and vector file translation and geometry handling—without the overhead of building these capabilities yourself.

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Learn more about Geographic Calculator in these blogs

Updating Outdated Survey Control Points Using a Variety of Blue Marble’s Applications

In this blog, we look at a field user who needed to update survey control points that have not been visited or had their survey updated in a long time.

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When to create a Best Fit System in Geographic Calculator

A best fit job is recommended when data is in an unknown coordinate system and it needs to be aligned with data relative to a coordinate system based on a geodetic datum.

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Choosing the Correct Coordinate Transformation for Your Data

Experts break down why selecting the correct coordinate transformation matters and how it can impact the accuracy of your geospatial data. Lean how different methods and accuracy estimates influence results.

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