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Volume • NIST Exact

US Tablespoons → US Teaspoons

tbsp (US) → tsp (US)

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NIST Exact

Based on U.S. National Institute of Standards

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US Tablespoons to US Teaspoons Formula

To convert from US Tablespoons to US Teaspoons, you can use the following formula:

US Teaspoons = US Tablespoons × NaN

This means you need to multiply your US Tablespoons value by NaN to get the equivalent value in US Teaspoons.

tbsp (US) → tsp (US) Reference Table

tbsp (US) tsp (US)
0.001 tbsp (US) 0.003 tsp (US)
0.002 tbsp (US) 0.006 tsp (US)
0.003 tbsp (US) 0.009 tsp (US)
0.004 tbsp (US) 0.012 tsp (US)
0.005 tbsp (US) 0.015 tsp (US)
0.006 tbsp (US) 0.018 tsp (US)
0.007 tbsp (US) 0.021 tsp (US)
0.008 tbsp (US) 0.024 tsp (US)
0.009 tbsp (US) 0.027 tsp (US)
0.01 tbsp (US) 0.03 tsp (US)
0.02 tbsp (US) 0.06 tsp (US)
0.03 tbsp (US) 0.09 tsp (US)
0.04 tbsp (US) 0.12 tsp (US)
0.05 tbsp (US) 0.15 tsp (US)
0.06 tbsp (US) 0.18 tsp (US)
0.07 tbsp (US) 0.21 tsp (US)
0.08 tbsp (US) 0.24 tsp (US)
0.09 tbsp (US) 0.27 tsp (US)
0.1 tbsp (US) 0.3 tsp (US)
0.2 tbsp (US) 0.6 tsp (US)
0.3 tbsp (US) 0.9 tsp (US)
0.4 tbsp (US) 1.2 tsp (US)
0.5 tbsp (US) 1.5 tsp (US)
0.6 tbsp (US) 1.8 tsp (US)
0.7 tbsp (US) 2.1 tsp (US)
0.8 tbsp (US) 2.4 tsp (US)
0.9 tbsp (US) 2.7 tsp (US)
1 tbsp (US) 3 tsp (US)
1.5 tbsp (US) 4.5 tsp (US)
2 tbsp (US) 6 tsp (US)
2.5 tbsp (US) 7.5 tsp (US)
3 tbsp (US) 9 tsp (US)
3.5 tbsp (US) 10.5 tsp (US)
4 tbsp (US) 12 tsp (US)
4.5 tbsp (US) 13.5 tsp (US)
5 tbsp (US) 15 tsp (US)
5.5 tbsp (US) 16.5 tsp (US)
6 tbsp (US) 18 tsp (US)
6.5 tbsp (US) 19.5 tsp (US)
7 tbsp (US) 21 tsp (US)
7.5 tbsp (US) 22.5 tsp (US)
8 tbsp (US) 24 tsp (US)
8.5 tbsp (US) 25.5 tsp (US)
9 tbsp (US) 27 tsp (US)
9.5 tbsp (US) 28.5 tsp (US)
10 tbsp (US) 30 tsp (US)
11 tbsp (US) 33 tsp (US)
12 tbsp (US) 36 tsp (US)
13 tbsp (US) 39 tsp (US)
14 tbsp (US) 42 tsp (US)
15 tbsp (US) 45 tsp (US)
16 tbsp (US) 48 tsp (US)
17 tbsp (US) 51 tsp (US)
18 tbsp (US) 54 tsp (US)
19 tbsp (US) 57 tsp (US)
20 tbsp (US) 60 tsp (US)
25 tbsp (US) 75 tsp (US)
30 tbsp (US) 90 tsp (US)
35 tbsp (US) 105 tsp (US)
40 tbsp (US) 120 tsp (US)
45 tbsp (US) 135 tsp (US)
50 tbsp (US) 150 tsp (US)
55 tbsp (US) 165 tsp (US)
60 tbsp (US) 180 tsp (US)
65 tbsp (US) 195 tsp (US)
70 tbsp (US) 210 tsp (US)
75 tbsp (US) 225 tsp (US)
80 tbsp (US) 240 tsp (US)
85 tbsp (US) 255 tsp (US)
90 tbsp (US) 270 tsp (US)
95 tbsp (US) 285 tsp (US)
100 tbsp (US) 300 tsp (US)
120 tbsp (US) 360 tsp (US)
125 tbsp (US) 375 tsp (US)
130 tbsp (US) 390 tsp (US)
140 tbsp (US) 420 tsp (US)
150 tbsp (US) 450 tsp (US)
160 tbsp (US) 480 tsp (US)
175 tbsp (US) 525 tsp (US)
180 tbsp (US) 540 tsp (US)
200 tbsp (US) 600 tsp (US)
225 tbsp (US) 675 tsp (US)
250 tbsp (US) 750 tsp (US)
275 tbsp (US) 825 tsp (US)
300 tbsp (US) 900 tsp (US)
350 tbsp (US) 1050 tsp (US)
400 tbsp (US) 1200 tsp (US)
450 tbsp (US) 1350 tsp (US)
500 tbsp (US) 1500 tsp (US)
600 tbsp (US) 1800 tsp (US)
700 tbsp (US) 2100 tsp (US)
750 tbsp (US) 2250 tsp (US)
800 tbsp (US) 2400 tsp (US)
900 tbsp (US) 2700 tsp (US)
1000 tbsp (US) 3000 tsp (US)
1200 tbsp (US) 3600 tsp (US)
1250 tbsp (US) 3750 tsp (US)
1500 tbsp (US) 4500 tsp (US)
1750 tbsp (US) 5250 tsp (US)
2000 tbsp (US) 6000 tsp (US)
2500 tbsp (US) 7500 tsp (US)
3000 tbsp (US) 9000 tsp (US)
4000 tbsp (US) 12000 tsp (US)
4500 tbsp (US) 13500 tsp (US)
5000 tbsp (US) 15000 tsp (US)
6000 tbsp (US) 18000 tsp (US)
7000 tbsp (US) 21000 tsp (US)
7500 tbsp (US) 22500 tsp (US)
8000 tbsp (US) 24000 tsp (US)
9000 tbsp (US) 27000 tsp (US)
10000 tbsp (US) 30000 tsp (US)
15000 tbsp (US) 45000 tsp (US)
20000 tbsp (US) 60000 tsp (US)
25000 tbsp (US) 75000 tsp (US)
50000 tbsp (US) 150000 tsp (US)
75000 tbsp (US) 225000 tsp (US)
100000 tbsp (US) 300000 tsp (US)

Values based on NIST SP 811 conversion factors

Why Convert US Tablespoons to US Teaspoons?

Converting between us tablespoons (tbsp (US)) and us teaspoons (tsp (US)) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert tbsp (US) to tsp (US) saves time and prevents errors.

Volume conversions (tbsp (US) to tsp (US)) play a key role in the automotive industry, cooking, and chemical manufacturing. Drivers comparing engine displacement or fuel tank capacity need clear conversions to understand vehicle performance and range. In the kitchen, converting liquid ingredients like milk, oil, or broth is essential when adapting recipes from different regions. For industrial applications, mixing chemical solutions requires exact volume measurements to maintain product stability and safety. An error in volume conversion can lead to mechanical failures, ruined culinary creations, or hazardous chemical reactions, making precision indispensable.

How to Convert US Tablespoons to US Teaspoons

To convert us tablespoons to us teaspoons, use the following formula:

tsp (US) = tbsp (US) × 3

Example: 1 tbsp (US) = 3 tsp (US)

For example, 5 tbsp (US) = 15 tsp (US), 10 tbsp (US) = 30 tsp (US), and 100 tbsp (US) = 300 tsp (US). For larger values, 1000 tbsp (US) = 3000 tsp (US). Conversely, 1 tsp (US) = 0.3333333333 tbsp (US). Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Fluid vs Dry: confusing fluid pints/quarts with dry pints/quarts.
  • US vs Imperial: US gallons are smaller than UK Imperial gallons.
  • Cubic conversion: forgetting to cube linear factors (1 m = 100 cm, 1 m³ = 1,000,000 cm³).

Pro Tips

  • Cooking spoon: 1 Tablespoon = 3 Teaspoons = 15 ml.
  • Cup size: A standard US cup is 240ml, but metric cup is often 250ml.
  • Cube visual: 1 cubic meter is a box 1m x 1m x 1m (huge!).

What is a US Tablespoon?

A US unit of volume for cooking, equal to 3 teaspoons (approx. 14.8 ml).

Standard culinary measure in US recipes.

What is a US Teaspoon?

A US unit of volume for cooking, equal to 1/3 of a tablespoon.

Standard culinary measure for small quantities.

Frequently Asked Questions

Volume More Conversions

L → gal (US)gal (US) → LmL → fl oz (US)fl oz (US) → mLL → cup (US)cup (US) → LL → mLmL → Lgal (US) → qt (US)L → m³

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