The details surrounding the Visayan kris can be found in a Univ. of Penn. PhD dissertation of a well-known Filipino archeologist, Dr. Eusebio "Bong" Dizon, from the Philippine's national museum.
The dissertation can be bought online from
the university. The illustration below comes from the said paper.
Based on the graphical scale, the blade length is 36 cm (14.2"), blade thickness near the guard is 0.8 cm (5/16"), and tang length is 8 cm (3.2").
Please note also that the tang has a square/rectangular cross-section, as is the characteristic of Philippine krises.