Health & Fitness Calculators

Body mass index with category and healthy weight range.

Daily calories to maintain, lose or gain weight.

Daily calories burned, plus intake ranges for fat loss, maintenance and muscle gain.

Estimated due date, how far along you are, and the dates of each milestone.

Estimate ovulation, your fertile window and your next period from your cycle dates.

Resting calories per day, with both standard equations side by side.

Protein, fat and carb grams per day for your calorie target.

Find pace, finish time or distance from the other two, with splits for the classic races.

Body fat percentage from tape measurements, plus fat and lean mass.

Daily protein range, meal split and matching food portions.

Four clinical formulas for ideal weight, side by side.

Calories burned for any activity, from standard MET values, with a food comparison.

Estimate blood alcohol content and time back to zero.

Estimate your 1RM and see the load for every rep count.