Free Online Calculators

From BMI to loans, tips to age — instant calculations at your fingertips.

144 Calculators 14 Categories 100% Free

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VO2 Max Calculator

#1

Estimate VO2 Max from running performance

Health & Fitness 5 variants

Calorie Deficit Calculator

Calculate your daily calorie deficit needed for weight loss.

Health & Fitness 5 variants

Body Adiposity Index (BAI) Calculator

Estimates body fat percentage using hip circumference and height.

Health & Fitness 4 variants

Cone Volume Calculator

Calculates the volume of a cone using its radius and height.

Math Calculators 4 variants

Paint Coverage Calculator

Estimates the total liters of paint required based on wall area, number of coats, and paint coverage per liter.

Construction & Home 4 variants

Value Given Percent Calculator

Calculate the value given a percentage of a total.

Math Calculators 5 variants
All Tools Calculators Converters Generators Makers Checkers

All Calculators

144 total
Creatinine Clearance Calculator (24-Hour Urine Method) Calculates creatinine clearance in mL/min using the 24-hour urine collection met...
Health & Fitness
EN
Dew Point Calculator Estimates the dew point temperature based on air temperature and relative humidi...
Science & Engineering
EN
Stock Average Price Calculator Calculate the new weighted average cost per share after purchasing additional sh...
Financial Calculators
EN
HOMA-IR (Homeostatic Model Assessment of Insulin Resistance) Calculator Estimates insulin resistance using fasting blood glucose and fasting insulin lev...
Health & Fitness
EN
Slugging Percentage (SLG) Calculator Calculate a baseball player's Slugging Percentage using total bases divided by a...
Sports & Performance
EN
Macronutrient Grams Calculator Calculates the grams of a macronutrient based on total daily calories and macro...
Health & Fitness
EN
Standard Error Calculator Calculates the standard error of the mean (SEM) using sample standard deviation...
Statistics & Probability
EN
Ideal Gas Law Pressure Calculator Calculates gas pressure using the Ideal Gas Law (P = nRT / V).
Science & Engineering
EN
Mean Arterial Pressure (MAP) Calculator Estimates the average arterial pressure during a single cardiac cycle using syst...
Health & Fitness
EN
Annual Percentage Rate (APR) Calculator Calculates the Annual Percentage Rate (APR) based on total interest paid, loan a...
Financial Calculators
EN
Roof Pitch Calculator Calculates the roof slope (pitch) based on vertical rise and horizontal run.
Construction & Home
EN
Debt Service Coverage Ratio (DSCR) Calculator Calculate the Debt Service Coverage Ratio to evaluate a property's ability to co...
Financial Calculators
EN