Ordnance Survey – Great Britain's national mapping agency
To use the batch coordinate transformer, please first select the type of conversion you want to undertake, then click 'Proceed'. Click here for an explanation of the format definitions and examples.
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Ordnance Survey is Great Britain's national mapping agency, providing the most accurate and up-to-date geographic data, relied on by government, business and individuals.
Ordnance Survey © Crown copyright 2007