| Country | Catalog Number | Type of Item | Year of Issue | Notes on Content |
|---|
| Metric system (SI) |
|---|
| Australia | 541 (Mi513) | | 1973 | conversion to metric system: (kg/stones-and-pounds) mass, scale |
| Australia | 542 (Mi514) | | conversion to metric system: (°C/°F) temperature, fever |
| Australia | 543 (Mi515) | | conversion to metric system: (cm/feet-and-inches) length, tape measure |
| Australia | 544 (Mi516) | | conversion to metric system: (mL/fluid-ounces) volume, drinking glass |
| Australia | 541-544 fdc1 | Four stamps and cachet on FDC | conversion to metric system |
| Australia | 541-544 fdc2 | Four stamps and cachet (different) on FDC
|
| Bangladesh | 212 (Mi177) | | 1983 | metric system: mail scale |
| Bangladesh | 213 (Mi178) | | metric system: weights, measures |
| Brazil | 940 (Mi1018) | | 1962 | 100th anniv. introduction metric system, 1862: millimeter gauge |
| Cuba | 2173 (Mi2268) | | 1977 | SI (metric system) system: 7 (seven) SI base units, map |
| Denmark | 1388 (Mi?) | | 2007 | 100th anniv. metric system in Denmark |
| Finland | 750 (Mi1010) | | 1987 | 100th anniv. use metric system, 1887: X-cross section of standard meter bar |
| Finland | 750 fdc | Stamp and cachet on FDC
|
| France | 732 (Mi1024) | | 1954 | metric system introduction in France first: allegory |
| France | 869 fdc (Mi? fdc) | Cachet on FDC | 1958 | "participated in the establishment of the metric system" (in text) |
| France | 1435 (Mi1921) | | 1975 | 100th anniv. International Metre Convention, 1875: document, krypton atom, waves |
| France | 1435 fdc | Stamp and cancel and cachet on FDC
|
| Ghana | 570 (Mi630) | | 1976 | introduction metric system, 1975-09: liter, water |
| Ghana | 571 (Mi631) | | introduction metric system, 1975-09: kilogram, jam |
| Ghana | 572 (Mi632) | | introduction metric system, 1975-09: meter, cloth |
| Ghana | 573 (Mi633) | | introduction metric system, 1975-09: (°C) fever thermometer, ice, boiling tea kettle |
| Guyana | 437a (Mi726) | From MS6 (437 (a-f)) (BL11) | 1982 | conversion to metric system, 1982-01-02: tape measure, truck |
| Guyana | 437b (Mi727) | conversion to metric system, 1982-01-02: juggler, unit symbols (°C) |
| Guyana | 437c (Mi728) | conversion to metric system, 1982-01-02: man, envelope |
| Guyana | 437d (Mi729) | conversion to metric system, 1982-01-02: woman, baby, scale |
| Guyana | 437e (Mi730) | conversion to metric system, 1982-01-02: Canje bridge (530 m long) |
| Guyana | 437f (Mi731) | conversion to metric system, 1982-01-02: liter bucket |
| Guyana | 557a (Mi870) | From MS6 (557 (a-f)), 437 (a-f) overprinted (BL12) | 1982 | conversion to metric system, 1982-01-02: tape measure, truck |
| Guyana | 557b (Mi871) | conversion to metric system, 1982-01-02: juggler, unit symbols (°C) |
| Guyana | 557c (Mi872) | conversion to metric system, 1982-01-02: man, envelope |
| Guyana | 557d (Mi873) | conversion to metric system, 1982-01-02: woman, baby, scale |
| Guyana | 557e (Mi874) | conversion to metric system, 1982-01-02: Canje bridge (530 m long) |
| Guyana | 557f (Mi875) | conversion to metric system, 1982-01-02: liter bucket |
| Hungary | 2418 (Mi3115) | | 1976 | 100th anniv. introduction metric system, 1876: X-cross section standard meter bar, meter act |
| Hungary | 2419 (Mi3116) | | 100th anniv. introduction metric system, 1876: standard kilogram cylinder |
| Hungary | 2420 (Mi3117) | | 100th anniv. introduction metric system, 1876: interferometer, rocket |
| Italy | 1809 (Mi2147) | | 1990 | 55th anniv. metric system in Italy, 1935: MKS, Giovanni Giorgi |
| Japan | 673 (Mi705) | | 1959 | adoption metric system: measuring glass, tape measure, scales |
| Japan | 673 fdc1 | Stamp and cancel and (Watanabe) cachet on FDC, also insert
|
| Japan | 673 fdc2 | Stamp and cancel and (Watanabe) cachet (different) on FDC
|
| Japan | 673 fdc3 | Stamp and cancel and (Watanabe) cachet (different) on FDC
|
| Japan | 673 fdc4 | Stamp and cancel and cachet (different) on FDC (post card)
|
| Japan | 673 fdc5 | Stamp and cancel and cachet (different) on FDC
|
| Japan | 673 fdc6 | Stamp and cancel and cachet (different) on FDC
|
| Kenya, Uganda, and Tanzania | 225 (Mi213) | | 1971 | conversion to metric system: kilogram/pounds, pan balance |
| Kenya, Uganda, and Tanzania | 226 (Mi214) | | conversion to metric system: two (°C/°F) thermometers |
| Kenya, Uganda, and Tanzania | 227 (Mi215) | | conversion to metric system: liters, petrol |
| Kenya, Uganda, and Tanzania | 228 (Mi216) | | conversion to metric system: kilometers, surveyors |
| Kenya, Uganda, and Tanzania | 225-228 fdc1 | Four stamps and cachet on FDC | conversion to metric system |
| Kenya, Uganda, and Tanzania | 225-228 fdc2 | Four stamps and cachet on FDC (different cancel)
|
| Korea (South) | 428 (Mi416) | | 1964 | introduction metric system: metric symbols ("kg" incorrectly given as "Kg") |
| Mexico | C241 (Mi1077) | | 1957 | 100th anniv. adoption metric system, 1857: measures, globe |
| New Zealand | 594 (Mi677) | | 1976 | metric conversion, 1976: symbolic measures: weight, length, temperature, (unscaled) thermometer |
| Nigeria | 394 (Mi377) | | 1980 | World Standards Day: kilogram scale, centimeter ruler, emblem |
| Pakistan | 364 (Mi367) | | 1974 | introduction metric system: metric measures |
| Poland | None | Postal card | 1979 | 60th anniv. Measurement Service, 1919: standards, SI units |
| Romania | 1873 (Mi2533) | | 1966 | 100th anniv. introduction metric system, 1866: derivation meter |
| Romania | 1874 (Mi2534) | | 100th anniv. introduction metric system, 1866: metric symbols |
| Singapore | 316 (Mi322) | | 1979 | introduction metric system: distance, kilometer |
| Singapore | 317 (Mi323) | | introduction metric system: tape measure, centimeter |
| Singapore | 318 (Mi324) | | introduction metric system: scale, kilogram |
| Singapore | 316-318 fdc | Three stamps and cachet on FDC | introduction metric system |
| South Africa | 497 (Mi534) | | 1977 | introduction metric system: world map, "M": 10th anniv. Metric Advisory Board, 1967 |
| South Africa | 497 fdc | Stamp and cancel and cachet on FDC
|
| Tonga | 449 (Mi?) | | 1975 | introduction metric system: decade progress |
| Yugoslavia | 1180 (Mi1538) | | 1974 | 100th anniv. introduction metric system, 1874: measure |
| 100th Anniversary of the International Metre Convention (1875 — 1975) |
|---|
| Bulgaria | 2236 (Mi2381) | | 1975 | 100th anniv. International Metre Convention, 1875: standard kilogram cylinder, X-cross section standard meter bar |
| Indonesia | 941 (Mi809) | | 1975 | 100th anniv. International Metre Convention, 1875: X-cross section standard meter bar, standard kilogram cylinder, globe |
| Korea (South) | 975 (Mi979) | | 1975 | 100th anniv. International Metre Convention, 1875: metric symbols |
| Netherlands | 531 (Mi1056) | | 1975 | 100th anniv. International Metre Convention, 1875: symbolic scale |
| Norway | 655 (Mi704) | | 1975 | 100th anniv. International Metre Convention, 1875: Ole Jacob Broch |
| Romania | 2547 (Mi3263) | | 1975 | 100th anniv. International Metre Convention, 1875: emblem |
| Russia (USSR) | 4304 (Mi4337) | | 1975 | 100th anniv. International Metre Convention, 1875: metric symbols |
| Surinam | 421 (Mi695) | | 1975 | 100th anniv. International Metre Convention, 1875: symbolic design |
| Surinam | 422 (Mi696) |
|
| Surinam | 423 (Mi697) |
|
| Sweden | 1121 (Mi903) | | 1975 | 100th anniv. International Metre Convention, 1875: tape measure |
| Sweden | 1121-1123 fdc1 | One of three stamps and cachet on FDC, also insert
|
| Sweden | 1121-1123 fdc2 | One of three stamps on FDC (different), also insert (same)
|
| Switzerland | 599 (Mi1046) | | 1975 | 100th anniv. International Metre Convention, 1875: X-cross section standard meter bar, krypton spectrum |
