Convert gallon (imperial)s to cubic meters

1 gal (imp) = 0.00454609 m³ — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.004 546 09m³
✓ Exact 1 gal (imp) = 0.004 546 09 m³
As a fraction: 454609/100000000
More converter tools

Readable results

Ranges, ± tolerances, feet/inches and clock durations work in the value field.

Unit picker

Export this result

1 gal (imp) = 0.00454609 m³
Show this value in all 42 volume units
  • Cubic kilometers km³ 4.54609e-12
  • Cubic meters m³ 0.004 546 09
  • Cubic decimeters dm³ 4.546 09
  • Cubic centimeters cm³ 4546.09
  • Cubic millimeters mm³ 4 546 090
  • Kiloliters kL 0.004 546 09
  • Hectoliters hL 0.045 460 9
  • Decaliters daL 0.454 609
  • Liters L 4.546 09
  • Deciliters dL 45.4609
  • Centiliters cL 454.609
  • Milliliters mL 4546.09
  • Microliters µL 4 546 090
  • Gallon (US)s gal 1.200 949 925 5
  • Quart (US)s qt 4.803 799 702 02
  • Pint (US)s pt 9.607 599 404 04
  • Cup (US customary)s cup 19.215 198 808 1
  • Cup (US legal)s cup 18.942 041 666 7
  • Fluid ounce (US)s fl oz 153.721 590 465
  • Tablespoon (US)s tbsp 307.443 180 929
  • Teaspoon (US)s tsp 922.329 542 788
  • Gill (US)s gi 38.430 397 616 2
  • Minim (US)s min 73 786.363 423
  • Barrel (oil)s bbl 0.028 594 045 845 4
  • Barrel (US liquid)s bbl 0.038 125 394 460 5
  • Bushel (US)s bu 0.129 007 092 936
  • Peck (US)s pk 0.516 028 371 744
  • Gallon (imperial)s gal (imp) 1
  • Quart (imperial)s qt (imp) 4
  • Pint (imperial)s pt (imp) 8
  • Fluid ounce (imperial)s fl oz (imp) 160
  • Tablespoon (imperial)s tbsp (imp) 256
  • Teaspoon (imperial)s tsp (imp) 768
  • Gill (imperial)s gi (imp) 32
  • Bushel (imperial)s bu (imp) 0.125
  • Cubic inches in³ 277.419 432 792
  • Cubic feet ft³ 0.160 543 653 236
  • Cubic yards yd³ 0.005 946 061 230 96
  • Acre-foots ac·ft 0.000 003 685 575 143 16
  • Board foots FBM 1.926 523 838 83
  • Cords cd 0.001 254 247 290 91
  • Drop (metric)s gt 90 921.8

Every row is Gallon (imperial) (gal (imp)) converted through the cubic meter, in exact rational arithmetic.

How to convert gallon (imperial)s to cubic meters

Multiply the number of gallon (imperial)s by 0.00454609 to get cubic meters.

The exact factor is 0.00454609 — as a fraction, 454609/100000000.

Gallon (imperial): Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.

Gallon (imperial) to Cubic meter conversion table

Gallon (imperial)s (gal (imp)) Cubic meters (m³)
1 gal (imp) 0.004 546 09
2 gal (imp) 0.009 092 18
3 gal (imp) 0.013 638 27
5 gal (imp) 0.022 730 45
10 gal (imp) 0.045 460 9
20 gal (imp) 0.090 921 8
25 gal (imp) 0.113 652 25
50 gal (imp) 0.227 304 5
100 gal (imp) 0.454 609
250 gal (imp) 1.136 522 5
500 gal (imp) 2.273 045
1000 gal (imp) 4.546 09

Cubic meter to Gallon (imperial) conversion table

Cubic meters (m³) Gallon (imperial)s (gal (imp))
1 m³ 219.969 25
2 m³ 439.9385
3 m³ 659.907 74
5 m³ 1099.8462
10 m³ 2199.6925
20 m³ 4399.385
25 m³ 5499.2312
50 m³ 10 998.462
100 m³ 21 996.925
250 m³ 54 992.312
500 m³ 109 984.62
1000 m³ 219 969.25

Frequently asked

How many cubic meters are in a gallon (imperial)?

One gallon (imperial) equals 0.00454609 cubic meters (gal (imp) → m³). That figure is exact, not rounded.

How do you convert gallon (imperial)s to cubic meters?

Multiply the number of gallon (imperial)s by 0.00454609 to get cubic meters.

What is 1 m³ in gallon (imperial)s?

One cubic meter is 219.9692483 gallon (imperial)s.

What is 10 gal (imp) in m³?

10 gal (imp) = 0.045 460 9 m³.

What exactly is a gallon (imperial)?

Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.

Related conversions

Settings

Theme

System follows your operating system and changes with it.

Text size
High contrast

Maximises text and border contrast and removes the grid background.

Graph-paper background

Round to
Notation
Thousands separators
Decimal mark
Nearest fraction

Shows the result as the nearest tape-measure fraction, with the error it costs.


Accessibility & interaction
Reduce motion Stops interface animations even when the operating system does not.
Underline links Keeps links visually distinct without relying on colour.
Larger touch targets Makes buttons and form controls easier to tap.
Shorter reading lines Limits article width for easier scanning.
Monochrome display Removes colour as an information cue.
Always-visible focus Makes the keyboard focus ring persistent and stronger.
Verbose screen-reader results Announces the complete conversion equation.
Sticky action bars Keeps converter and calculator actions within reach.
Select values on focus Replaces a value immediately when you start typing.
Left-handed mobile layout Moves key mobile actions toward the left thumb.

Your data

Settings, recent conversions and favourites live in this browser only. Nothing is sent anywhere.

Offline library