SnapCalorieBurn — free MET-based calorie calculators
45 minutes of cycling burns 280–500 calories. Weight-based table with tips for maximizing your calorie burn on the bike.
Cycling for 45 minutes at moderate intensity burns roughly 280–500 calories, offering an excellent balance of duration and calorie expenditure.
Forty-five minutes on the bike covers approximately 7.5–9 miles (12–14.5 km) at a moderate 10–12 mph pace. This duration is popular in structured training plans and indoor cycling classes, which typically run 45–50 minutes. It's long enough for substantial calorie burn and cardiovascular conditioning without the fatigue of an hour-long ride.
A 45-minute moderate cycling session burns roughly equivalent calories to a 30-minute moderate run or a 60-minute brisk walk. Among low-impact activities, cycling at this duration offers one of the best calorie-burn-to-joint-stress ratios available.
Forty-five minute cycling sessions fit perfectly into a training schedule as mid-week workouts. Three sessions per week burn 840–1,500 calories — creating meaningful calorie deficits for weight management alongside other daily activities.
Direct answer: 45 minutes of cycling burns an estimated 301–530 calories, depending on body weight (180 lb / 82 kg: ~418 kcal). Intensity assumed: Moderate (10–12 mph) (MET 6.8). This is an estimate, not a measurement.
| Body weight | Calories burned |
|---|---|
| 130 lb (59 kg) | ~301 cal |
| 155 lb (70 kg) | ~357 cal |
| 180 lb (82 kg) | ~418 cal |
| 205 lb (93 kg) | ~474 cal |
| 230 lb (104 kg) | ~530 cal |
Example: At MET 6.8, a 180 lb (82 kg) person doing 45 minutes of cycling burns approximately 418 calories: 6.8 × 82 × 0.75 h ≈ 418 kcal.
There is no single universal calorie figure for this activity. At 180 lb (82 kg) and the same 45 minutes:
| Style / effort | MET | Estimate |
|---|---|---|
| Leisure (under 10 mph) | 4 | ~246 cal |
| Vigorous (14–16 mph) | 10 | ~615 cal |
| Racing (16–19 mph) | 12 | ~738 cal |
An estimated 301–530 calories, depending on body weight. A 180 lb (82 kg) person burns about 418 kcal, calculated as MET 6.8 × 82 kg × 0.75 hours.
About 9.3 kcal per minute for a 180 lb (82 kg) person, or 5.1 kcal per kilogram of body weight across the whole session.
Because the MET formula scales directly with body mass: a 130 lb person burns about 301 kcal here versus 530 kcal for a 230 lb person — a 76% spread for the identical session.
From the 2024 Adult Compendium of Physical Activities, the reference database of measured MET intensities for physical activities. Every figure on this page uses that value in the formula Calories = MET × body weight (kg) × duration (hours).
They are estimates from population averages, not measurements. Individual results commonly land within about ±15% of the figure shown; actual intensity and pace, body composition and fitness, terrain and technique all shift the real number. The values are gross calories, so they include the energy you would have burned at rest.
Open the cycling calorie calculator to enter your own weight, intensity and duration.