Body Fat Percentage Calculator (US Navy)
US Navy method: from neck, waist and (for women) hip circumferences, get your body fat % and health category.
Result
All Calculators
Loan Calculator
Monthly payment, total interest and full amortization schedule.
Turkish VAT (KDV) Calculator
Add or extract Turkish VAT (KDV) at 1%, 10% or 20%.
Turkish Income Tax Calculator
Calculate Turkish progressive income tax with 2025 brackets.
Profit Calculator
Calculate profit, margin and markup from cost and selling price.
Discount Calculator
Calculate final price, savings, and discount amount.
Raise Calculator
Calculate the new value after applying a percentage raise.
BMI Calculator
Body mass index from height and weight (metric or imperial).
Percentage Calculator
Percent change, percent of, and ratio calculations.
Ideal Weight Calculator
Ideal weight by height and sex (4 formulas + BMI range).
Age Calculator
Compute your exact age in years, months and days from a birth date.
Pregnancy Due Date Calculator
Estimated due date and current week from your last menstrual period (LMP).
Compound Interest Calculator
Calculate the final amount and interest earned with compounding.
BMR Calculator (Basal Metabolic Rate)
Basal metabolic rate and daily calorie needs using the Mifflin-St Jeor equation.
Tip Calculator
Add a tip to a bill and split the total evenly across the group.
Fuel Cost Calculator
Calculate trip fuel cost from distance, consumption and price per liter.
Date Difference Calculator
Compute the exact span between two dates in years, months, days and totals.
Sleep Cycle Calculator
Plan your bedtime or wake time around 90-minute sleep cycles.
Daily Water Intake Calculator
Recommended daily water from body weight, activity level and climate.
Simple Interest Calculator
Interest earned and final amount from principal, annual rate and time using simple interest.
Heart Rate Zones Calculator
Max heart rate and 5 training zones by age, using the Tanaka formula.
Running Pace Calculator
Pace per km and average speed from distance and time, with race projections.
Pet Age Calculator
Convert your dog or cat's age to its approximate human-year equivalent.
Calories Burned Calculator
Estimate calories burned from body weight, activity and duration using MET values.
Macro Calculator
Split your daily calories into protein, carbs and fat in grams and percentages.
TDEE Calculator (Total Daily Energy Expenditure)
Daily calorie needs and weight-loss / maintenance / gain targets from age, height, weight and activity.