---
title: "0.5 tbsp to tsp = 1.5 tsp"
description: "0.5 tablespoons is 1.5 teaspoons. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/0-5-tablespoons-to-teaspoons/
site: "At One Place"
---

# 0.5 tbsp to tsp

**0.5 tablespoons in teaspoons: 0.5 tbsp = 1.5 tsp**

tsp = tbsp × 3

0.5 tablespoons is 1.5 teaspoons. To get there, multiply by 3.

## Values either side

*Tablespoons near 0.5, converted to teaspoons.*

| Tablespoons | Teaspoons |
| --- | --- |
| 0.5 tbsp ← | 1.5 |
| 1 tbsp | 3 |
| 1.5 tbsp | 4.5 |
| 2 tbsp | 6 |
| 2.5 tbsp | 7.5 |

## How the conversion works

The relationship is tsp = tbsp × 3. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

## Common questions

### What is 0.5 tbsp in teaspoons?

0.5 tbsp is 1.5 tsp.

### How do you convert tablespoons to teaspoons?

Multiply by 3.

## Related pages

- [Tablespoons to teaspoons](https://atoneplace.net/convert/tablespoons-to-teaspoons/)
- [0.5 tsp to tbsp](https://atoneplace.net/convert/0-5-teaspoons-to-tablespoons/)
- [1 tbsp to tsp](https://atoneplace.net/convert/1-tablespoons-to-teaspoons/)
- [1.5 tbsp to tsp](https://atoneplace.net/convert/1-5-tablespoons-to-teaspoons/)
- [2 tbsp to tsp](https://atoneplace.net/convert/2-tablespoons-to-teaspoons/)
- [2.5 tbsp to tsp](https://atoneplace.net/convert/2-5-tablespoons-to-teaspoons/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)