| Metric teaspoon | UK barrel |
| 1 tsp metric | 3.0551284485984E-5 bl-uk |
| 2 tsp metric | 6.1102568971969E-5 bl-uk |
| 3 tsp metric | 9.1653853457953E-5 bl-uk |
| 4 tsp metric | 0.00012220513794394 bl-uk |
| 5 tsp metric | 0.00015275642242992 bl-uk |
| 6 tsp metric | 0.00018330770691591 bl-uk |
| 7 tsp metric | 0.00021385899140189 bl-uk |
| 8 tsp metric | 0.00024441027588788 bl-uk |
| 9 tsp metric | 0.00027496156037386 bl-uk |
| 10 tsp metric | 0.00030551284485984 bl-uk |
| 11 tsp metric | 0.00033606412934583 bl-uk |
| 12 tsp metric | 0.00036661541383181 bl-uk |
| 13 tsp metric | 0.0003971666983178 bl-uk |
| 14 tsp metric | 0.00042771798280378 bl-uk |
| 15 tsp metric | 0.00045826926728977 bl-uk |
| 16 tsp metric | 0.00048882055177575 bl-uk |
| 17 tsp metric | 0.00051937183626174 bl-uk |
| 18 tsp metric | 0.00054992312074772 bl-uk |
| 19 tsp metric | 0.0005804744052337 bl-uk |
| 20 tsp metric | 0.00061102568971969 bl-uk |