Chronology of CARICOM Metrication:

Caribbean Community (CARICOM)

MSR Time Zone -4 Montserrat [GBR] Little Bay
Metric System Legal: 1864
Metric System Adoption: 1897
Compulsory Metric Implementation: 1995 (Incomplete)
British Overseas Territory
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

SUR Time Zone -3 Suriname Paramaribo
Metric System Adoption: 1871
Compulsory Metric Implementation: 1916
United Nations Member: 4 Dec 1975
Member of CARICOM – Caribbean Community

BLZ Time Zone -6 Belize Belmopan
Metric System Adoption: 1910
International System Adoption: Incomplete
Compulsory Metric Implementation: ____
United Nations Member: 25 Sep 1981
Measurements — English measurements are the norm in Belize, although the metric system is making slight inroads.
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Member of CARICOM – Caribbean Community

HTI Time Zone -5 Haïti (Haiti) Port-au-Prince
Metric System Adoption: 1920
Compulsory Metric Implementation: 1922
United Nations Member: 24 Oct 1945
Member of CARICOM – Caribbean Community

BHS Time Zone -5 Bahamas Nassau
International System Adoption: 1969
United Nations Member: 18 Aug 1973
Member of CARICOM – Caribbean Community

KNA Time Zone -4 Saint Kitts and Nevis Basseterre
International System Adoption: 1969
United Nations Member: 23 Sep 1983
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

DMA Time Zone -4 Dominica Roseau
International System Adoption: 1969
United Nations Member: 18 Dec 1978
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

VCT Time Zone -4 Saint Vincent and the Grenadines Kingstown
International System Adoption: 1969
United Nations Member: 16 Sep 1980
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

GRD Time Zone -4 Grenada Saint George’s
International System Adoption: 1969
United Nations Member: 17 Sep 1974
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

TTO Time Zone -4 Trinidad and Tobago Port of Spain
International System Adoption: 1970-71
United Nations Member: 18 Sep 1962
Member of CARICOM – Caribbean Community

GUY Time Zone -4 Guyana (Formerly known as British Guiana) Georgetown
International System Adoption: 1971
United Nations Member: 20 Sep 1966
Member of CARICOM – Caribbean Community

JAM Time Zone -5 Jamaica Kingston
International System Adoption: 1973
Compulsory Metric Legislation: 1995
Note: In 1995, Jamaica passed an amendment to the Weights and Measures Act to enforce compliance with the metric system.
United Nations Member: 18 Sep 1962
Member of CARICOM – Caribbean Community

BRB Time Zone -4 Barbados Bridgetown
International System Adoption: 1973
United Nations Member: 9 Dec 1966
Member of CARICOM – Caribbean Community

ATG Time Zone -4 Antigua and Barbuda Saint John’s
International System Adoption: 1974
United Nations Member: 11 Nov 1981
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

LCA Time Zone -4 Sainte-Lucie (French) Saint Lucia (English) Castries
International System Adoption: 2000
Compulsory Metric Implementation: 2005
St Lucia begins drive to implement metric system to catch up with region
United Nations Member: 18 Sep 1979
Member of CARICOM – Caribbean Community; Currency: East Caribbean Dollar ($) XCD

Click on the image of Earth here to see when metrication occurred in each country or territory on Earth: