| Data Type | Bytes Used | Number Range |
|---|---|---|
| Array | ||
| Auto | ||
| Boolean | 1 | 0 to 1 |
| Byte | 1 | 0 to 255 |
| Color | 8 | &c00000000 to &cFFFFFFFF (&cRRGGBBAA) |
| CString | 1 per char + 1 | |
| Currency | 8 | -922337203685477.5808 to 922337203685477.5807 |
| Double | 8 | Max value: ±1.79769313486231570814527423731704357e+308 Min towads 0: ±4.94065645841246544176568792868221372e-324 |
| Integer | 4 (x86) 8 (x64) | -2,147,483,648 to 2,147,483,647 -9,223,372,036,854,775,808 to +9,223,372,036,854,775,807 |
| UInteger | 4 (x86) 8 (x64) | 0 to 4,294,967,295 0 to 18,446,744,073,709,551,615 |
| Int8 | 1 | -128 to 127 |
| Int16 | 2 | -32,768 to 32,767 |
| Int32 | 4 | -2,147,483,648 to 2,147,483,647 |
| Int64 | 8 | -9,223,372,036,854,775,808 to +9,223,372,036,854,775,807 |
| UInt8 | 1 | 0 to 255 |
| UInt16 | 2 | 0 to 65,535 |
| UInt32 | 4 | 0 to 4,294,967,295 |
| UInt64 | 8 | 0 to 18,446,744,073,709,551,615 |
| String | ||
| Text | ||
| Ptr | 4 (x86) 8 (x64) | |
| Short | 2 | -32,768 to 32,767 (deprecated, use Int16) |
| Single | 4 | Max value: ±3.40282346638528859811704183484516925e+38 Min value: ±1.40129846432481707092372958328991613e-45 |
| Structure | ||
| Variant | ||
| WString | 2 per char + 2 (windows) 4 per char + 4 (mac/linux) |