Cubic feet (ft³)
The cubic foot is the volume of a cube one foot on each side, about 28.3 liters or 7.48 US gallons.
Convert cubic feet to any volume unit
1 cubic foot = 28.31684659 liters
Quick facts
- Unit
- Cubic foot (plural: cubic feet)
- Symbol
- ft³
- Measures
- Volume / Capacity
- System
- US liquid
- Equals
- 28.316846592 liters
- Definition
- The volume of a cube with 1-foot edges: exactly 28.316846592 liters.
- Also written
- cu ft, ft3, cubic feet
1 cubic foot in other units
| Liters | 28.31684659 L |
| Gallons | 7.480519481 gal |
| Milliliters | 28,316.84659 mL |
| Cups | 119.6883117 cup |
| Fluid ounces | 957.5064935 fl oz |
| Tablespoons | 1,915.012987 tbsp |
| Teaspoons | 5,745.038961 tsp |
| Cubic meters | 0.02831684659 m³ |
What is a cubic foot?
The cubic foot is the volume of a cube one foot on each side, about 28.3 liters or 7.48 US gallons. In the US it is used for refrigerator and freezer capacity, natural gas billing, room volume, lumber, soil and mulch.
Where the cubic foot sits among volume units
The cubic foot is number 148 of 234 on our scale of volume units, ordered from smallest to largest.
What cubic feet are used for
- Refrigerator, freezer and oven capacity in the US
- Natural gas billing (hundreds of cubic feet, CCF)
- Bags of soil, mulch and concrete mix
- Air flow (cubic feet per minute)
Cubic feet in real life
- A typical US refrigerator is 18–25 ft³
- A cubic foot of water weighs about 62.4 lb
- A standard bag of potting soil is 1–2 ft³
One cubic foot is enough to fill about 7.5 gallon jugs, or enough to fill about 2.8 buckets, or enough to fill about 1.5 water-cooler bottles, or enough to fill about 38 wine bottles.
Top cubic foot conversions
Common amounts of cubic feet
- 0.1 ft³
- 0.2 ft³
- 0.3 ft³
- 0.4 ft³
- 0.5 ft³
- 0.6 ft³
- 0.7 ft³
- 0.8 ft³
- 0.9 ft³
- 1 ft³
- 1.5 ft³
- 2 ft³
- 2.5 ft³
- 3 ft³
- 3.5 ft³
- 4 ft³
- 4.5 ft³
- 5 ft³
- 6 ft³
- 7 ft³
- 7.5 ft³
- 8 ft³
- 9 ft³
- 10 ft³
- 11 ft³
- 12 ft³
- 13 ft³
- 14 ft³
- 15 ft³
- 16 ft³
- 17 ft³
- 18 ft³
- 19 ft³
- 20 ft³
- 21 ft³
- 22 ft³
- 23 ft³
- 24 ft³
- 25 ft³
- 26 ft³
- 27 ft³
- 28 ft³
- 29 ft³
- 30 ft³
- 31 ft³
- 32 ft³
- 33 ft³
- 34 ft³
- 35 ft³
- 36 ft³
- 37 ft³
- 38 ft³
- 39 ft³
- 40 ft³
- 41 ft³
- 42 ft³
- 43 ft³
- 44 ft³
- 45 ft³
- 46 ft³
- 47 ft³
- 48 ft³
- 49 ft³
- 50 ft³
- 51 ft³
- 52 ft³
- 53 ft³
- 54 ft³
- 55 ft³
- 56 ft³
- 57 ft³
- 58 ft³
- 59 ft³
- 60 ft³
- 61 ft³
- 62 ft³
- 63 ft³
- 64 ft³
- 65 ft³
- 66 ft³
- 67 ft³
- 68 ft³
- 69 ft³
- 70 ft³
- 71 ft³
- 72 ft³
- 73 ft³
- 74 ft³
- 75 ft³
- 76 ft³
- 77 ft³
- 78 ft³
- 79 ft³
- 80 ft³
- 81 ft³
- 82 ft³
- 83 ft³
- 84 ft³
- 85 ft³
- 86 ft³
- 87 ft³
- 88 ft³
- 89 ft³
- 90 ft³
- 91 ft³
- 92 ft³
- 93 ft³
- 94 ft³
- 95 ft³
- 96 ft³
- 97 ft³
- 98 ft³
- 99 ft³
- 100 ft³
- 110 ft³
- 120 ft³
- 130 ft³
- 140 ft³
- 150 ft³
- 160 ft³
- 170 ft³
- 180 ft³
- 190 ft³
- 200 ft³
- 210 ft³
- 220 ft³
- 230 ft³
- 240 ft³
- 250 ft³
- 260 ft³
- 270 ft³
- 280 ft³
- 290 ft³
- 300 ft³
- 310 ft³
- 320 ft³
- 330 ft³
- 340 ft³
- 350 ft³
- 360 ft³
- 370 ft³
- 380 ft³
- 390 ft³
- 400 ft³
- 410 ft³
- 420 ft³
- 430 ft³
- 440 ft³
- 450 ft³
- 460 ft³
- 470 ft³
- 480 ft³
- 490 ft³
- 500 ft³
- 600 ft³
- 700 ft³
- 800 ft³
- 900 ft³
- 1,000 ft³
- 1,200 ft³
- 1,500 ft³
- 2,000 ft³
- 2,500 ft³
- 3,000 ft³
- 4,000 ft³
- 5,000 ft³
- 10,000 ft³
Convert cubic feet to all 233 other units
Metric
- ft³ to L
- ft³ to mL
- ft³ to m³
- ft³ to cm³
- ft³ to µL
- ft³ to dL
- ft³ to cL
- ft³ to mm³
- ft³ to hL
- ft³ to dm³
- ft³ to km³
- ft³ to kL
- ft³ to ML
- ft³ to GL
- ft³ to st
- ft³ to daL
- ft³ to λ
US liquid
- ft³ to gal
- ft³ to cup
- ft³ to fl oz
- ft³ to tbsp
- ft³ to tsp
- ft³ to pt
- ft³ to qt
- ft³ to yd³
- ft³ to bbl
- ft³ to in³
- ft³ to ac⋅ft
- ft³ to shot
- ft³ to FBM
- ft³ to cd
- ft³ to US legal cup
- ft³ to US liquid barrel
- ft³ to mi³
- ft³ to face cord
- ft³ to fifth
- ft³ to gi
- ft³ to ac⋅in
- ft³ to fl dr
- ft³ to min
- ft³ to US hogshead
- ft³ to pottle
US dry
Imperial (UK)
- ft³ to imp gal
- ft³ to imp pt
- ft³ to imp fl oz
- ft³ to imp qt
- ft³ to imperial cup
- ft³ to imperial bushel
- ft³ to imperial tablespoon
- ft³ to imperial teaspoon
- ft³ to UK beer barrel
- ft³ to firkin
- ft³ to imperial dessertspoon
- ft³ to imperial gill
- ft³ to imperial peck
- ft³ to imperial fluid drachm
- ft³ to imperial hogshead
- ft³ to kilderkin
- ft³ to quarter (UK dry)
- ft³ to butt
- ft³ to chaldron
- ft³ to fluid scruple
- ft³ to imperial minim
- ft³ to UK beer tun
- ft³ to coomb
- ft³ to imperial pottle
- ft³ to last
- ft³ to strike
Wine & spirits
- ft³ to standard wine bottle
- ft³ to magnum
- ft³ to half bottle
- ft³ to jeroboam
- ft³ to piccolo
- ft³ to methuselah
- ft³ to pipe
- ft³ to balthazar
- ft³ to nebuchadnezzar
- ft³ to rehoboam
- ft³ to salmanazar
- ft³ to wine tun
- ft³ to English wine rundlet
- ft³ to melchior
- ft³ to melchizedek
- ft³ to primat
- ft³ to puncheon
- ft³ to solomon
- ft³ to sovereign
- ft³ to tierce
Cooking (metric & informal)
- ft³ to metric cup
- ft³ to metric tablespoon
- ft³ to metric teaspoon
- ft³ to dash
- ft³ to pinch
- ft³ to Australian tablespoon
- ft³ to gtt
- ft³ to stick of butter (volume)
- ft³ to smidgen
- ft³ to Japanese cup
- ft³ to Canadian cup
- ft³ to tad
- ft³ to teacup
- ft³ to coffeespoon
- ft³ to saltspoon
- ft³ to wineglass
Oil, gas & shipping
- ft³ to scf
- ft³ to TEU
- ft³ to MMbbl
- ft³ to Nm³
- ft³ to Mbbl
- ft³ to Mcf
- ft³ to Bcf
- ft³ to MMcf
- ft³ to Sm³
- ft³ to Tcf
- ft³ to FEU
- ft³ to freight ton
- ft³ to RT
- ft³ to displacement ton (volume)
- ft³ to water ton
Scientific
Ancient
- ft³ to Roman amphora
- ft³ to ephah
- ft³ to sextarius
- ft³ to Biblical hin
- ft³ to Roman cyathus
- ft³ to bath
- ft³ to congius
- ft³ to cor
- ft³ to hemina
- ft³ to heqat
- ft³ to log
- ft³ to modius
- ft³ to omer
- ft³ to Egyptian hin
- ft³ to acetabulum
- ft³ to choinix
- ft³ to chous
- ft³ to culleus
- ft³ to kab
- ft³ to khar
- ft³ to kotyle
- ft³ to kyathos
- ft³ to lethech
- ft³ to ligula
- ft³ to medimnos
- ft³ to metretes
- ft³ to quartarius
- ft³ to ro
- ft³ to seah
- ft³ to urna
- ft³ to xestes
East & Southeast Asian
- ft³ to 合
- ft³ to 升
- ft³ to 石
- ft³ to 升
- ft³ to 斗
- ft³ to 石
- ft³ to 홉
- ft³ to 斗
- ft³ to 撮
- ft³ to 合
- ft³ to 勺
- ft³ to 勺
- ft³ to Thai sat
- ft³ to 되
- ft³ to kwian
- ft³ to 말
- ft³ to 才
- ft³ to 섬
- ft³ to thanan
European (pre-metric)
- ft³ to Mass
- ft³ to fanega
- ft³ to vedro
- ft³ to Russian chetvert
- ft³ to Schoppen
- ft³ to alqueire
- ft³ to cantara
- ft³ to charka
- ft³ to cuartillo
- ft³ to pinte
- ft³ to Dutch kan
- ft³ to Dutch mud
- ft³ to Eimer
- ft³ to Fuder
- ft³ to Ohm
- ft³ to Oxhoft
- ft³ to Russian vodka bottle
- ft³ to Scheffel
- ft³ to Seidel
- ft³ to Swedish stop
- ft³ to almud
- ft³ to almude
- ft³ to azumbre
- ft³ to bochka
- ft³ to boisseau
- ft³ to canada
- ft³ to chetverik
- ft³ to chopine
- ft³ to copa
- ft³ to demiard
- ft³ to feuillette
- ft³ to garnets
- ft³ to kanna
- ft³ to kappe
- ft³ to kruzhka
- ft³ to moio
- ft³ to muid
- ft³ to osmina
- ft³ to posson
- ft³ to quartaut
- ft³ to quartilho
- ft³ to roquille
- ft³ to setier
- ft³ to shkalik
- ft³ to tunna
- ft³ to velte
Everyday comparisons
Convert to cubic feet
Frequently asked questions
What is a cubic foot?
The cubic foot is the volume of a cube one foot on each side, about 28.3 liters or 7.48 US gallons.
How is the cubic foot defined?
The volume of a cube with 1-foot edges: exactly 28.316846592 liters.
How many liters are in a cubic foot?
One cubic foot equals 28.31684659 liters.
How many gallons are in a cubic foot?
One cubic foot equals 7.480519481 gallons.
How many milliliters are in a cubic foot?
One cubic foot equals 28,316.84659 milliliters.