Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.
BMI Categories:
Underweight: BMI less than 18.5
Normal weight: BMI 18.5–24.9
Overweight: BMI 25–29.9
Obesity: BMI 30 or greater
Loan Calculator
Monthly Payment:
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Total Interest:
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Total Payment:
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About Loan Calculations
This calculator uses the standard formula for fixed-rate loans to determine your monthly payment:
M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]
Where:
M = Monthly payment
P = Loan amount
i = Monthly interest rate (annual rate divided by 12)
n = Number of payments (loan term in years multiplied by 12)
Investment Calculator
Future Value:
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Total Contributions:
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Total Interest Earned:
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About Investment Growth
This calculator uses compound interest formula to project the growth of your investments:
FV = PV (1 + r)^n + PMT [((1 + r)^n - 1) / r]
Where:
FV = Future Value
PV = Present Value (initial investment)
PMT = Periodic payment (monthly contribution)
r = Periodic interest rate (annual rate divided by 12)
n = Number of periods (years multiplied by 12)
Unit Converter
Result:
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Result:
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Result:
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Result:
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About Unit Conversion
This calculator converts between different units of measurement for length, weight, volume, and temperature.
All conversions are based on standard conversion factors:
1 inch = 2.54 centimeters
1 pound = 0.453592 kilograms
1 gallon (US) = 3.78541 liters
°F = (°C × 9/5) + 32
K = °C + 273.15
Age Calculator
Your Age:
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About Age Calculation
This calculator determines your exact age in years, months, and days based on your date of birth.
If no "Age at This Date" is provided, it will calculate your current age.
The calculation accounts for leap years and varying month lengths to provide an accurate result.
Mortgage Calculator
Monthly Payment (Principal & Interest):
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Monthly Tax & Insurance:
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Total Monthly Payment:
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Loan Amount:
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About Mortgage Calculations
This calculator helps you estimate your monthly mortgage payment including principal, interest, taxes, and insurance (PITI).
The principal and interest payment is calculated using the same formula as the loan calculator, while taxes and insurance are added as monthly amounts.
Calorie Calculator
Maintenance Calories:
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Weight Loss Calories (500 cal deficit):
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Weight Gain Calories (500 cal surplus):
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About Calorie Calculations
This calculator estimates your daily calorie needs based on the Mifflin-St Jeor Equation, which is considered one of the most accurate formulas.