Is your SAC improving?

Upload your dive computer's export and 67xDives turns it into your own SAC trend — dive by dive, private to you. Log the ballast you carried to track your weighting too.

Start free

Works today with files from Suunto, Garmin, Shearwater (Shearwater Cloud Desktop export) and Mares, Scubapro, Aqualung, Cressi, Oceanic (exported through Subsurface).

Example SAC trend — illustrative data, not a real diver's log

How it works

Create a free account
Signing up takes a minute.
Import your dives
Upload the export file from your dive computer's app.
Watch your trend
See your SAC change from dive to dive.

What you get

SAC trend

Surface air consumption (SAC) for every dive with gas data from a tank pressure transmitter, plotted across your whole history.

Weighting insight

Compare the ballast you carried with a rule-of-thumb target built from your body profile, gear and water type.

Gear locker

Keep your cylinders, wetsuits and weights in one place.

Private by default

No social feed: other divers never see your dives.