18 tbsp ≈ 1.125 cup (Imperial; in US cups: 18 tbsp = 1.3511 US cup). To convert tablespoons to cups, multiply by 0.062500031: 18 × 0.062500031 = 1.125.
How to convert tablespoons to cups
cup = tbsp × 0.062500031
- 1 tbsp = 0.062500031 cup (and 1 cup = 15.999992 tbsp).
- Multiply the amount by the factor: 18 × 0.062500031 = 1.125.
- Answer: 18 tbsp ≈ 1.125 cup (rounded to 6 significant figures).
Tablespoons to Cups table
| Tablespoons (tbsp) | Cups (cup) |
|---|---|
| 13 tbsp | 0.8125 cup |
| 14 tbsp | 0.875 cup |
| 15 tbsp | 0.9375 cup |
| 16 tbsp | 1 cup |
| 17 tbsp | 1.0625 cup |
| 18 tbsp | 1.125 cup |
| 19 tbsp | 1.1875 cup |
| 20 tbsp | 1.25 cup |
| 21 tbsp | 1.3125 cup |
| 22 tbsp | 1.375 cup |
| 23 tbsp | 1.4375 cup |
| tbsp | cup |
|---|---|
| 1 tbsp | 0.0625 cup |
| 5 tbsp | 0.3125 cup |
| 10 tbsp | 0.625 cup |
| 50 tbsp | 3.125 cup |
| 100 tbsp | 6.25 cup |
| 1,000 tbsp | 62.5 cup |
Good to know
The tbsp here is the Imperial (UK) tablespoon: 1 tbsp = 0.0177582 L. A US tablespoon is 0.0147868 L.
In US tablespoons: 18 US tbsp = 0.936759 cup.
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 18 tbsp = 1.3511 US cup.