---
title: "Cubic inches to Teaspoons — in³ to tsp converter"
description: "1 cubic inch = 3.324675 teaspoons. Convert cubic inches to teaspoons with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/cubic-inches-to-teaspoons/
site: "At One Place"
---

# Cubic inches to teaspoons

**1 cubic inch in teaspoons: 1 in³ = 3.324675 tsp**

tsp = in³ × 3.324675325

To convert cubic inches to teaspoons, multiply by 3.324675325. The table below gives the values people look up most often, and the converter works for any number.

## Cubic inches to teaspoons table

*Common cubic inch values converted to teaspoons.*

| Cubic inches | Teaspoons |
| --- | --- |
| 1 in³ | 3.324675 |
| 2 in³ | 6.649351 |
| 3 in³ | 9.974026 |
| 4 in³ | 13.2987 |
| 5 in³ | 16.62338 |
| 10 in³ | 33.24675 |
| 15 in³ | 49.87013 |
| 20 in³ | 66.49351 |
| 25 in³ | 83.11688 |
| 30 in³ | 99.74026 |
| 40 in³ | 132.987 |
| 50 in³ | 166.2338 |
| 75 in³ | 249.3506 |
| 100 in³ | 332.4675 |
| 250 in³ | 831.1688 |
| 500 in³ | 1,662.3377 |
| 1,000 in³ | 3,324.6753 |

## How the conversion works

The relationship is tsp = in³ × 3.324675325. 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

### How many teaspoons are in one cubic inch?

One cubic inch equals 3.324675 teaspoons. tsp = in³ × 3.324675325.

### How do you convert cubic inches to teaspoons?

Use tsp = in³ × 3.324675325. So 10 in³ is 33.24675 tsp.

### How many cubic inches are in one teaspoon?

One teaspoon equals 0.30078 cubic inches, which is the reverse of the conversion above.

## Related pages

- [Teaspoons to Cubic inches](https://atoneplace.net/convert/teaspoons-to-cubic-inches/)
- [Cubic inches to Liters](https://atoneplace.net/convert/cubic-inches-to-liters/)
- [Cubic inches to Milliliters](https://atoneplace.net/convert/cubic-inches-to-ml/)
- [Cubic inches to Cubic meters](https://atoneplace.net/convert/cubic-inches-to-cubic-meters/)
- [Cubic inches to US gallons](https://atoneplace.net/convert/cubic-inches-to-gallons/)
- [Cubic inches to US quarts](https://atoneplace.net/convert/cubic-inches-to-quarts/)
- [Cubic inches to US pints](https://atoneplace.net/convert/cubic-inches-to-pints/)
- [Cubic inches to US cups](https://atoneplace.net/convert/cubic-inches-to-cups/)
- [Cubic inches to US fluid ounces](https://atoneplace.net/convert/cubic-inches-to-fl-oz/)
- [Cubic inches to Tablespoons](https://atoneplace.net/convert/cubic-inches-to-tablespoons/)

## 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/)