Convert pound/square inch to ton/square foot [long]


lb/in^2
ton/square foot

The above form works if you are measuring differential pressure, such as the difference in psi between two points. It also gives the correct answer for absolute pressure, assuming you are measuring psia, which is the pressure relative to absolute zero vacuum.

If you are measuring relative to vacuum and want to resolve the pressure relative to the atmosphere, then you should use the form below.

lb/in^2 (relative to atmosphere)
ton/square foot (relative to vacuum)



Did you mean to convert pound/square inch
pound/square inch [gauge]
pound/square inch [absolute]
 to ton/square foot [long]
ton/square foot [short]

More information from the unit converter

How many lb/in^2 in 1 ton/square foot? The answer is 15.555555555556. We assume you are converting between pound/square inch and ton/square foot [long]. You can view more details on each measurement unit: lb/in^2 or ton/square foot The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00014503773800722 lb/in^2, or 9.3238545861783E-6 ton/square foot. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between pounds/square inch and tons/square foot. Type in your own numbers in the form to convert the units!



Quick conversion chart of lb/in^2 to ton/square foot

1 lb/in^2 to ton/square foot = 0.06429 ton/square foot

10 lb/in^2 to ton/square foot = 0.64286 ton/square foot

20 lb/in^2 to ton/square foot = 1.28571 ton/square foot

30 lb/in^2 to ton/square foot = 1.92857 ton/square foot

40 lb/in^2 to ton/square foot = 2.57143 ton/square foot

50 lb/in^2 to ton/square foot = 3.21429 ton/square foot

100 lb/in^2 to ton/square foot = 6.42857 ton/square foot

200 lb/in^2 to ton/square foot = 12.85714 ton/square foot


Want other units?

You can do the reverse unit conversion from ton/square foot to lb/in^2, or enter any two units below:

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Common pressure conversions


Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.


Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!