---
title: "40 mL to qt = 0.042268 qt"
description: "40 milliliters is 0.042268 US quarts. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/40-ml-to-quarts/
site: "At One Place"
---

# 40 mL to qt

**40 milliliters in US quarts: 40 mL = 0.042268 qt**

qt = mL × 0.001056688209

40 milliliters is 0.042268 US quarts. To get there, multiply by 0.001056688209.

## Values either side

*Milliliters near 40, converted to US quarts.*

| Milliliters | US quarts |
| --- | --- |
| 32 mL | 0.033814 |
| 35 mL | 0.036984 |
| 36 mL | 0.038041 |
| 37 mL | 0.039097 |
| 40 mL ← | 0.042268 |
| 45 mL | 0.047551 |
| 50 mL | 0.052834 |
| 55 mL | 0.058118 |
| 60 mL | 0.063401 |

## How the conversion works

The relationship is qt = mL × 0.001056688209. Both units measure volume, so the conversion is a fixed factor that never changes.

## Common questions

### What is 40 mL in US quarts?

40 mL is 0.042268 qt.

### How do you convert milliliters to US quarts?

Multiply by 0.001056688209.

## Related pages

- [Milliliters to US quarts](https://atoneplace.net/convert/ml-to-quarts/)
- [40 qt to mL](https://atoneplace.net/convert/40-quarts-to-ml/)
- [32 mL to qt](https://atoneplace.net/convert/32-ml-to-quarts/)
- [35 mL to qt](https://atoneplace.net/convert/35-ml-to-quarts/)
- [36 mL to qt](https://atoneplace.net/convert/36-ml-to-quarts/)
- [37 mL to qt](https://atoneplace.net/convert/37-ml-to-quarts/)
- [45 mL to qt](https://atoneplace.net/convert/45-ml-to-quarts/)
- [50 mL to qt](https://atoneplace.net/convert/50-ml-to-quarts/)
- [55 mL to qt](https://atoneplace.net/convert/55-ml-to-quarts/)
- [60 mL to qt](https://atoneplace.net/convert/60-ml-to-quarts/)

## 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/)