| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | ampero | amperoj |
| Accusative | amperon | amperojn |
| Dutch | ampère |
|---|---|
| English | ampère |
| French | ampère |
| German | Ampere |
| Greek | αμπέρ |
| Hungarian | amper |
| Luxemburgish | Ampère |
| Portuguese | ampère; ampério |
| Saterland Frisian | Ampère |
| Spanish | amperio |
| Thai | แอมแปร์ |
| Turkish | amper |
| West Frisian | ampêre |