Calories Burned Calculator

Pro tips most people learn the hard way

• Body weight matters more than pace. A 90 kg person running 5 km burns roughly 50 percent more than a 60 kg person running the same 5 km at the same pace. If you've lost weight, expect the same workout to burn fewer calories than it used to — that's not your watch lying, it's just less mass moving.
• Watch estimates and MET-based estimates both have plus or minus 10 to 20 percent error margins. Neither is 'right'; pick one and stay consistent so your tracking is internally comparable week to week. Switching between tools mid-cut is the fastest way to confuse your own progress data.
• Strength training burns more than people think — about 250 calories per 30 minutes at 70 kg, plus a metabolism bump for hours afterward (the EPOC effect). It's not just cardio that creates a deficit; lifting weights is the long-term play that also defends muscle while you lose fat.
• You cannot outrun a bad diet. A 60 kg woman running 5 km burns about 300 calories — exactly what a single medium chocolate bar contains. Exercise expands deficits and preserves muscle; the diet is what creates the deficit in the first place. Stop treating workouts as eating permission.
• MET values are intensity labels, not personal energy expenditures. As you get fitter, you can do higher-MET activities for longer — which is where real calorie increase comes from. The values themselves don't shrink because you're fit, but your perceived effort drops, letting you push longer and harder.