Cubic Inch to Fluid Dram (US) Converter

Volume Converter

40 units available

Decimals:

From

To

4.4329

1 in³ = 4.4329 fl dr

Formula:

fl dr = in³ × 4.4329004329

With your value: 1 in³ = 4.43290043 fl dr

How big is that?

Everyday references on a logarithmic scale, all expressed in cubic inch so you can sanity-check the result.

Soda can (1/50 your value)0.0201 in³

Milk carton (1/16 your value)0.0610 in³

Kitchen bucket (1/1.6 your value)0.610 in³

Your value1.00 in³

Car fuel tank (3.1× your value)3.05 in³

Bathtub (12× your value)12.2 in³

Other Cubic Inch to Fluid Dram (US) conversions

2 in³ to fl dr 3 in³ to fl dr 4 in³ to fl dr 5 in³ to fl dr 6 in³ to fl dr 7 in³ to fl dr 8 in³ to fl dr

Cubic Inch to Fluid Dram (US) Conversion Table

Cubic Inch (in³)	Fluid Dram (US) (fl dr)
0.5	2.21645
1	4.4329
2	8.865801
5	22.164502
10	44.329004
15	66.493506
20	88.658009
25	110.822511
50	221.645022
100	443.290043
250	1,108.225108
500	2,216.450216
1000	4,432.900433

Fluid Dram (US) to Cubic Inch Conversion Table

Fluid Dram (US) (fl dr)	Cubic Inch (in³)
0.5	0.112793
1	0.225586
2	0.451172
5	1.12793
10	2.255859
15	3.383789
20	4.511719
25	5.639648
50	11.279297
100	22.558594
250	56.396484
500	112.792969
1000	225.585937

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Cubic Inch (in³)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Fluid Dram (US) (fl dr)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Cubic Inch to Fluid Dram (US)

To convert from Cubic Inch (in³) to Fluid Dram (US) (fl dr), multiply the value by 4.4329004329.

Formula: fl dr = in³ × 4.4329004329

Reverse: in³ = fl dr × 0.2255859375

Step-by-Step Example

Start with your value in Cubic Inch. For example: 5 in³
Multiply by the conversion factor: 5 x 4.4329004329
The result is: 22.164502 fl dr

About Cubic Inch

The cubic inch (in³) is a unit of volume and capacity. One cubic inch equals 0.016387064 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

About Fluid Dram (US)

The fluid dram (us) (fl dr) is a unit of volume and capacity. One fluid dram (us) equals 0.003696691195 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

Frequently Asked Questions

How many Fluid Dram (US) are in 1 Cubic Inch?

There are exactly 4.4329004329 Fluid Dram (US) in 1 Cubic Inch. This means the conversion factor from Cubic Inch to Fluid Dram (US) is 4.4329004329.

What is the formula to convert Cubic Inch to Fluid Dram (US)?

The formula to convert Cubic Inch to Fluid Dram (US) is: fl dr = in³ × 4.4329004329. For example, to convert 10 Cubic Inch to Fluid Dram (US), you would multiply 10 by 4.4329004329.

What is a Cubic Inch?