Explore an illustrative ab-roller calorie estimate from body weight and repetitions, with optional effort assumptions. The existing per-repetition factor and effort multipliers have not been validated for individual calorie expenditure.

Explore the site’s existing weight-and-repetition estimate. Its calorie-per-rep factor and effort multipliers have not been validated for individual calorie burn.

Changing units converts the entered weight.

Count complete rollouts. Zero repetitions gives zero estimated calories.

Effort assumption

These are the original site’s illustrative multipliers, not measured individual energy costs.