A level is disclosed with a sliding measurement system. The level includes a planar upper surface, a planar lower surface and a web extending between the upper surface and the lower surface. The web includes at least one elongate channel to which a track having an inwardly facing slot is mounted. The level further includes one or more pods slideably received on the track in the inwardly facing slot. The pod includes a generally cylindrical female member having upper and lower ridges extending outwardly therefrom, and a generally cylindrical male member configured to receive a marking instrument, the male member being matingly received in the female member. The upper and lower ridges of the female member are configured to be received in the inner slot of the track and are slideable thereon. The level further includes at least one bubble level vial mounted to the web of the body of the level.