Health and family calculators

Your basal metabolic rate with Mifflin-St Jeor, Harris-Benedict and Katch-McArdle, in pounds and inches or metric.

Maintenance calories from your BMR and activity level, plus targets to cut or bulk.

Split daily calories into grams of protein, fat and carbs with a preset or your own percentages.

Grams of protein a day from your weight and goal, from the 0.8 g/kg RDA to athlete ranges.

How much water to drink a day in cups, ounces and liters, from the National Academies Adequate Intake.

Calories burned walking, running, cycling, lifting and 30 more activities, from Compendium MET values.

Estimate body fat percentage with the US Navy tape method and see where it falls in the ACE categories.

Find pace, finish time or distance, in minutes per mile or per km, with race times and splits.

Estimate your 1RM from any set with Epley and Brzycki, plus a percent-of-max load table.

Zones 1 to 5 and your zone 2 range from age, with 220 minus age, Tanaka and Karvonen.

When to go to bed or wake up in full 90-minute sleep cycles, with CDC hours by age.

Find your due date and how far along you are from your last period, conception date or IVF transfer.

Recommended weight gain for your week of pregnancy and starting BMI, for one baby or twins.

Your baby's age in months, weeks and days, with adjusted age for babies born early.

Height, weight and BMI-for-age percentiles for ages 2 to 20 on the CDC growth charts, with the BMI category.

Your dog's age in human years by size, with life stage and the DNA-based formula.

Your cat's age in human years and life stage, from the AVMA chart and AAHA/AAFP guidelines.

How many cups of food your dog needs a day, from weight, life stage and the calories on the bag.