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US teaspoon to Metric tablespoon (tsp (US) → tbsp (metric))

Convert us teaspoon to metric tablespoon instantly. The conversion factor below is exact by international definition.

Realtime·volume·us
Exact
tsp (US)
× 0.3286
tbsp (metric)
0.328595
Precision [auto]
6

📐tsp (US) to tbsp (metric) formulaExact

tbsp (metric) = tsp (US) × 0.328594772917
Inverse: tsp (US) = tbsp (metric) × 3.043262043166

Worked example: 1 tsp (US) = 0.328594772917 tbsp (metric)

ℹ️About these units

US teaspoon (tsp (US))
Metric tablespoon (tbsp (metric))
15 mL; international standard except Australia which uses 20 mL.

📊Reference table: tsp (US) → tbsp (metric)

US teaspoon (tsp (US))Metric tablespoon (tbsp (metric))
10.328595
20.65719
51.643
103.2859
154.9289
206.5719
258.2149
5016.4297
10032.8595
25082.1487
500164.2974
750246.4461
1,000328.5948

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: tbsp (metric) → tsp (US)tsp (US) → Ltsp (US) → mLtsp (US) → m³tsp (US) → cm³tsp (US) → dm³tsp (US) → mm³tsp (US) → in³tsp (US) → ft³

🔌API & widget

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