Tank Volume Calculator gives you the exact volume of a tank at any liquid level. Enter the dimensions once, then read the volume, the percentage full and the weight of the liquid, or work backwards from a volume to the dip level. Built for fuel, water, oil and chemical tanks on farms, job sites, depots, marinas and plants. FREE • Horizontal cylinders, vertical cylinders and rectangular tanks • Flat, elliptical, hemispherical and dished (torispherical) heads, conical bottoms • Level to volume and volume to level • Liquid density presets (diesel, gasoline, water, oil) and weight in kg, lb or tons • On-screen dip chart in 1 mm to 1 in steps • Metric, US and Imperial units: liters, gallons, barrels, cubic meters • One saved tank, sample tanks, works fully offline PRO — one-time purchase, no subscription • Unlimited saved tanks with location and serial number • PDF dip charts to print or send • CSV export for Excel and Numbers • Inspection history with notes and gauge photos Head volumes are calculated by numerical integration of the real head profile, not a rule of thumb, so partially filled horizontal tanks stay accurate across the whole range. Customers who bought the original paid version keep Pro for free. Questions or a tank shape you need? Write to us from the support link.
Utilities · iPhone, iPad · Free
