Calories Burned by Activity Calculator

HIIT vs LISS Cardio: Which Burns More Fat?

Compare High-Intensity Interval Training (HIIT) and Low-Intensity Steady-State (LISS) cardio for fat loss. Learn which burns more total calories and when to use each.

How Many Calories Do Different Activities Burn?

A complete guide to calorie burn by activity type using MET values, and why exercise estimates are often overstated.

Cardio for Weight Loss: Which Type Is Most Effective?

Compare steady-state cardio, HIIT, and zone 2 for fat loss — with evidence on what works best and how to structure cardio in your program.

Hydration for Exercise: How Much Water You Need and When

Evidence-based hydration guidelines for exercise — how much to drink before, during, and after workouts, signs of dehydration, and electrolyte timing.

Heart Rate Zones for Training: How to Use Them for Results

Understand the 5 heart rate training zones, how to calculate your personal zones, and which zone to train in for fat loss, endurance, or performance.

Running for Weight Loss: How Much You Need and How to Structure It

Evidence-based guide to using running for weight loss — calories burned, how much to run, avoiding common mistakes, and getting started safely.

Heart Rate Zones for Fat Burning: The Truth About the Fat Burn Zone

Does exercising in the 'fat burning zone' actually burn more fat? What the science says about heart rate, fat oxidation, and the best cardio intensity for weight loss.