Are all AquaPlan tools free?

The calculators, daily workouts, public builder canvas, and PDF library are free to open. Create a Free account to save custom sessions and use their PDF or limited FIT export actions.

Which tool should I start with?

If you know your times, start with the Swim Pace Calculator to find your CSS threshold. Then use the Interval Calculator to generate sets. If you just want to swim today, open the Workout of the Day.

Do I need an account?

No. All calculators and daily workouts work without an account. Creating a free account unlocks saving workouts and Garmin export.

Free Swim Tools

Free AquaPlan swim tools: pace and SWOLF calculators, intervals, daily workouts, the workout builder, PDF library, and Garmin-compatible FIT export.

Free Swim Tools Hub. All free AquaPlan swimming tools in one place. Swim Pace Calculator — convert pace, solve splits, estimate CSS threshold from a 200 m + 400 m time trial. SWOLF Calculator — measure stroke efficiency with normalized 25 m benchmarks for all four strokes. Interval Calculator — generate CSS-anchored zone sets with target rep times and send-offs.

Workout of the Day — a fresh structured swim session every day, deterministic and free. Free Workout Builder — build without signup using drag-and-drop blocks and 9 training zones; create a Free account to save and export the custom session. Swim Workout Generator — structured pool sessions with editable phases, zones, and repeats. Free Swim Workouts — 130+ ready-made sessions.

Workout PDFs — printable PDF collections. Garmin Swimming — 3 lifetime FIT trial exports on Free and unlimited export on Premium. Most tools open without signup; saving custom workouts and using their export actions requires a Free account.