750 gallon tank: dimensions that work
750 gal = 2,839 L = 100.3 ft³. Full weight ≈ 6,259 lb of water. Below: every diameter/length pair that holds exactly this — geometry, not brand specs, so you can sanity-check any manufacturer sheet.
| Diameter | Length |
|---|---|
| 30 in dia | 245 in (20.4 ft) |
| 36 in dia | 170 in (14.2 ft) |
| 38 in dia | 153 in (12.7 ft) |
| 42 in dia | 125 in (10.4 ft) |
| 48 in dia | 96 in (8.0 ft) |
| Diameter | Height |
|---|---|
| 42 in dia | 125 in tall |
| 48 in dia | 96 in tall |
| 64 in dia | 54 in tall |
Have a real tank with these dimensions? Generate its inch-by-inch dip chart, or run partial fills on the universal calculator. Manufactured tanks add heads, legs and fittings — treat these tables as the geometric core and trust the nameplate where one exists.
FAQ
How big is a 750 gallon tank?
It depends on the proportions — the tables above show every horizontal length and vertical height that holds exactly 750 gallons at common diameters. Pure geometry: πr²L = 750 × 231 in³.
How much does 750 gallons weigh?
About 6,259 lb as water or 5,288 lb as diesel — grade ranges and more liquids on the weight library.
How many litres is 750 gallons?
2,839 litres (2.8 m³). Exact: 1 US gal = 3.785411784 L.