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Goodfolk Toolbox

Health Utilities

Free health tools for BMI, calories, water intake, protein, walking, macros, sleep, heart rate zones, and weight planning.

Use free health utilities for BMI, calories, water intake, protein, walking calories, macros, target weight planning, sleep timing, heart rate zones, and body fat estimates. These tools are designed for general wellness planning and everyday estimates, not medical diagnosis or personalized medical advice. Goodfolk Health Utilities can help you think through goals, habits, activity, and basic health-related numbers. All tools are free and require no signup.

BMI Calculator

Calculate body mass index from height and weight and see the standard BMI category.

Calorie Calculator

Estimate daily calories for maintenance, weight loss, or weight gain based on body stats and activity level.

Water Intake Calculator

Estimate daily water intake based on weight, activity, weather, and caffeine or alcohol intake.

Protein Calculator

Estimate daily protein needs based on body weight, goal, and activity level.

Walking Calories Calculator

Estimate calories burned while walking based on weight, distance, pace, and time.

Macro Calculator

Estimate daily protein, carbs, and fat targets from calories and macro percentages.

Target Weight Planner

Estimate a target weight timeline based on current weight, goal weight, and weekly change.

Sleep Calculator

Estimate bedtime or wake-up time using sleep cycles, time to fall asleep, and desired rest.

Heart Rate Zone Calculator

Estimate training heart rate zones from age and resting heart rate.

Body Fat Estimate Calculator

Estimate body fat percentage using simple body measurements and standard formula inputs.