Have your say on government e-petitions

Amend law to complete the UK’s transition from use of miles to kilometres

Submitted by Ryan Greenhalgh on Friday 26th December 2025

Published on Friday 30th January 2026

Current status: Open

Open until: Thursday 30th July 2026

Current Signatures: 107
(count is updated approximately hourly)

Relevant Departments

Tagged with

Bodies ~ Internationals ~ Law ~ leisure ~ Mandate ~ Metric ~ Miles ~ Primary ~ property ~ Public bodies ~ remain ~ ROADS ~ SPEED ~ Sport ~ Standards ~ Transport ~ Unite

Petition Action

Amend law to complete the UK’s transition from use of miles to kilometres

Petition Details

Legislate for a phased transition to full use of metric units. From 2031 convert road signage to kilometres, require all new vehicles to display km/h as the primary speed unit, issue binding guidance to public bodies, & mandate metric units in property descriptions enforced via Trading Standards.

Additional Information

The UK already uses metric units in most areas of daily life. Miles now remain mainly in road transport, some sports and leisure, and land or property descriptions. We believe this inconsistency causes confusion and inefficiency. Completing the transition to kilometres would improve clarity and international alignment.


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216.73.216.219 Thu, 04 Jun 2026 06:39:42 +0100