Is 15 minutes of HIIT enough to lose fat?

Yes, when paired with a modest calorie deficit. A 15-minute session typically burns 150–250 calories during the workout plus an elevated post-exercise metabolic rate for several hours.

How many days a week should I do a 15-minute HIIT workout?

Four to six days works for most people because the volume is low. Alternate high-impact and low-impact days to manage joint load.

15-Minute HIIT Workout (No Equipment) — Full Plan

Short workouts

15-minute training that actually moves the needle for busy people.

The 15-Minute HIIT Workout That Beats an Hour at the Gym
A complete 15-minute HIIT workout for busy professionals: warm-up, 10 work rounds and cool-down, with no equipment and no gym required.
6 min read

AI form & posture

How on-device pose detection corrects technique and counts reps.

How AI Form Correction Works (and Why It Runs On Your Phone)
Pose estimation turns your phone camera into a form coach: 33 body landmarks, joint angles, rep counting and live corrections — all processed on device.
7 min read
Fix Your Squat Form at Home: The Four Faults a Camera Catches First
Knee cave, heel lift, butt wink and shallow depth are the four squat faults that show up on camera. Here is how to spot and correct each one.
5 min read

Habit & consistency

Streaks, cues and behavioural design that keep training alive.

The Behavioural Science of a Workout Streak That Survives Travel
Cue, friction, variable reward and streak recovery: the four behavioural levers that decide whether a training habit lasts past week three.
6 min read

Home & no-equipment fitness

Full-body training in a bedroom-sized space, zero gear.

A Full-Body No-Equipment Workout for a Two-Metre Space
Train every major muscle group in a hotel room with zero gear: the movement pattern checklist, the session, and quiet low-impact swaps.
5 min read

Fat loss & conditioning

Calorie burn, EPOC and cardio adaptations from interval training.

HIIT vs Steady-State Cardio for Fat Loss: What the Evidence Says
Per minute, interval training wins on time efficiency and EPOC. Per week, adherence decides. Here is how to choose and how to combine both.
6 min read

Train smarter in fifteen minutes

Short workouts

The 15-Minute HIIT Workout That Beats an Hour at the Gym

AI form & posture

How AI Form Correction Works (and Why It Runs On Your Phone)

Fix Your Squat Form at Home: The Four Faults a Camera Catches First

Habit & consistency

The Behavioural Science of a Workout Streak That Survives Travel

Home & no-equipment fitness

A Full-Body No-Equipment Workout for a Two-Metre Space

Fat loss & conditioning

HIIT vs Steady-State Cardio for Fat Loss: What the Evidence Says