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Editorial Team
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Asked: 2026-05-13T22:21:11+00:00

I couldn’t find anything that rejects or confirms whether SQL Server ‘MONEY’ data type

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I couldn’t find anything that rejects or confirms whether SQL Server ‘MONEY’ data type is a decimal floating point or binary floating point.

In the description it says that MONEY type range is from -2^63 to 2^63 – 1 so this kind of implies that it should be a binary floating point.

But on this page it lists MONEY as “exact” numeric. Which kind of suggests that MONEY might be a decimal floating point (otherwise how is it exact? or what is the definition of exact?)

Then if MONEY is a decimal floating point, then what is the difference between MONEY and DECIMAL(19,4) ?

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  1. Editorial Team

    Neither. If it were an implementation of floating point it would be subject to the same inaccuracies as FLOAT and REAL types. See Floating Point on wikipedia.

    MONEY is a fixed point type.

    It’s one byte smaller than a DECIMAL(19,4), because it has a smaller range (922,337,203,685,477.5808 to 922,337,203,685,477.5807) as opposed to (-10^15+1 to 10^15-1).

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