# 21 gal (US) to m3 converter. How many cubic meters are in 21 gallons?

## 21 gal (US) to m³

The question “What is 21 gal (US) to m³?” is the same as “How many cubic meters are in 21 gal (US)?” or “Convert 21 gallons to cubic meters” or “What is 21 gallons to cubic meters?” or “21 gallons to m³”. Read on to find free gal (US) to cubic meter converter and learn how to convert 21 gal (US) to m³. You’ll also learn how to convert 21 gal (US) to m³.

Answer: There are 7.94936E-02 m³ in 21 gal (US).

Alternatively, you can say “21 gal (US) equals to 7.94936E-02 m³” or “21 gal (US) = 7.94936E-02 m³” or “21 gallons is 7.94936E-02 cubic meters”.
0.08 m³ is rounded number for your convenience. The exact value is 7.94936E-02.

## Gallons to cubic meter conversion formula

A cubic meter is equal to 264.1720523581 gallons. A gallon equals 0.0037854118 cubic meters.
To convert 21 gallons to cubic meters you can use one of the formulas:

Formula 1
Multiply 21 gal (US) by 0.0037854118.
21 * 0.0037854118 = 7.94936E-02 m³

Formula 2
Divide 21 gal (US) by 264.1720523581.
21 / 264.1720523581 = 7.94936E-02 m³

Hint: no need to use a formula. Use our free gal (US) to m³ converter.

## Alternative spelling of 21 gal (US) to m³

Many of our visitor spell gallons and cubic meters differently. Below we provide all possible spelling options.

• Spelling options with “gallons”: 21 gallons to m³, 21 gallon to m³, 21 gallons to cubic meters, 21 gallon to cubic meters, 21 gallons in m³, 21 gallon in m³, 21 gallons in cubic meters, 21 gallon in cubic meters.
• Spelling options with “gal (US)”: 21 gal (US) to m³, 21 gal (US) to cubic meter, 21 gal (US) to cubic meters, 21 gal (US) in m³, 21 gal (US) in cubic meter, 21 gal (US) in cubic meters.
• Spelling options with “in”: 21 gal (US) in m³, 21 gal (US) in cubic meter, 21 gal (US) in cubic meters, 21 gal (US) in m³, 21 gal (US) in cubic meter, 21 gal (US) in cubic meters, 21 gallons in m³, 21 gallon in m³, 21 gallons in cubic meters, 21 gallon in cubic meters.

## FAQ on 21 gal (US) to m³ conversion

How many cubic meters are in 21 gallons?

There are 7.94936E-02 cubic meters in 21 gallons.

21 gal (US) to m³?

21 gal (US) is equal to 7.94936E-02 m³. There are 7.94936E-02 cubic meters in 21 gallons.

What is 21 gal (US) to m³?

21 gal (US) is 7.94936E-02 m³. You can use a rounded number of 7.94936E-02 for convenience. In this case you can say that 21 gal (US) is 0.08 m³.

How to convert 21 gal (US) to m³?

Use our free gallon to cubic meters converter or multiply21 gal (US) by 0.0037854118.
21 * 0.0037854118 = 7.94936E-02 m³