---
title: "120 tsp to gal = 0.15625 gal"
description: "120 teaspoons is 0.15625 US gallons. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/120-teaspoons-to-gallons/
site: "At One Place"
---

# 120 tsp to gal

**120 teaspoons in US gallons: 120 tsp = 0.15625 gal**

gal = tsp × 0.001302083333

120 teaspoons is 0.15625 US gallons. To get there, multiply by 0.001302083333.

## Values either side

*Teaspoons near 120, converted to US gallons.*

| Teaspoons | US gallons |
| --- | --- |
| 90 tsp | 0.11719 |
| 95 tsp | 0.1237 |
| 100 tsp | 0.13021 |
| 110 tsp | 0.14323 |
| 120 tsp ← | 0.15625 |
| 125 tsp | 0.16276 |
| 150 tsp | 0.19531 |
| 175 tsp | 0.22786 |
| 180 tsp | 0.23438 |

## How the conversion works

The relationship is gal = tsp × 0.001302083333. 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.

> US gallon: US liquid gallon. The imperial gallon is about 20% larger.

## Common questions

### What is 120 tsp in US gallons?

120 tsp is 0.15625 gal.

### How do you convert teaspoons to US gallons?

Multiply by 0.001302083333.

## Related pages

- [Teaspoons to US gallons](https://atoneplace.net/convert/teaspoons-to-gallons/)
- [120 gal to tsp](https://atoneplace.net/convert/120-gallons-to-teaspoons/)
- [90 tsp to gal](https://atoneplace.net/convert/90-teaspoons-to-gallons/)
- [95 tsp to gal](https://atoneplace.net/convert/95-teaspoons-to-gallons/)
- [100 tsp to gal](https://atoneplace.net/convert/100-teaspoons-to-gallons/)
- [110 tsp to gal](https://atoneplace.net/convert/110-teaspoons-to-gallons/)
- [125 tsp to gal](https://atoneplace.net/convert/125-teaspoons-to-gallons/)
- [150 tsp to gal](https://atoneplace.net/convert/150-teaspoons-to-gallons/)
- [175 tsp to gal](https://atoneplace.net/convert/175-teaspoons-to-gallons/)
- [180 tsp to gal](https://atoneplace.net/convert/180-teaspoons-to-gallons/)

## 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/)