Cubic Feet to Cubic Decimeters
Convert cubic feet to cubic decimeters instantly. 1 ft³ = 28.316846592 dm³. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert cubic feet to cubic decimeters
To convert cubic feet to cubic decimeters, multiply by 28.316846592. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
dm³ = ft³ × 28.316846592
Cubic Feet to Cubic Decimeters conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Cubic Feet | Cubic Decimeters |
|---|---|
| 1 ft³ | 28.316847 dm³ |
| 2 ft³ | 56.633693 dm³ |
| 3 ft³ | 84.95054 dm³ |
| 5 ft³ | 141.584233 dm³ |
| 10 ft³ | 283.168466 dm³ |
| 20 ft³ | 566.336932 dm³ |
| 25 ft³ | 707.921165 dm³ |
| 50 ft³ | 1,415.84 dm³ |
| 100 ft³ | 2,831.68 dm³ |
| 500 ft³ | 14,158.42 dm³ |
| 1,000 ft³ | 28,316.85 dm³ |
What is a cubic feet?
About 28.3 litres. Standard for appliance capacity and gas volumes.
What is a cubic decimeter?
Exactly one litre, by definition.
The formula
dm³ = ft³ × 28.316846592
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Cubic Feet to Cubic Decimeters
- Type the number of cubic feet you want to convert.
- Read the result in cubic decimeters straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked cubic decimeters to cubic feet page.
Cubic Feet to Cubic Decimeters — frequently asked questions
How many cubic decimeters are in a cubic feet?
One cubic feet equals 28.316846592 dm³. dm³ = ft³ × 28.316846592
What is the formula to convert cubic feet to cubic decimeters?
The formula is dm³ = ft³ × 28.316846592. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert cubic decimeters back to cubic feet?
Divide instead of multiplying: one cubic decimeter is 0.0353146667 ft³. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this cubic feet to cubic decimeters free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error