Free Online Calculators

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

505 Calculators 18 Categories 100% Free

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BMI Prime Calculator

#1

Calculates BMI Prime by comparing BMI to the upper limit of the normal BMI range (25).

Health & Fitness 5 variants

Continuous Compounding Future Value Calculator

Calculates the future value of an investment using continuous compounding.

Financial Calculators 4 variants

Sharpe Ratio Calculator

Calculates the Sharpe Ratio to measure risk-adjusted investment return.

Financial Calculators 4 variants

EV Energy Efficiency Calculator

Calculates an electric vehicle's energy efficiency in miles per kilowatt-hour (mi/kWh).

Travel & Geography 5 variants

Value Given Percent Calculator

Calculate the value given a percentage of a total.

Math Calculators 5 variants

Free Cash Flow (FCF) Calculator

Calculates the Free Cash Flow (FCF) by subtracting Capital Expenditures from Operating Cash Flow.

Financial Calculators 4 variants
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505 total
Real Wage Increase Calculator Calculates your real wage increase after accounting for inflation to show the tr...
Financial Calculators
EN
Fibonacci Retracement Level Calculator Calculates a single Fibonacci retracement price level based on a given price swi...
Financial Calculators
EN
Target Heart Rate Calculator (Karvonen Formula) Calculate your target heart rate for exercise using the Karvonen formula based o...
Health & Fitness
EN
Savings Rate Calculator Calculates the percentage of monthly income that is saved.
Financial Calculators
EN
Inflation-Adjusted Salary Calculator Calculate the real (inflation-adjusted) value of a nominal annual salary based o...
Financial Calculators
EN
Fat-Free Mass Index (FFMI) Calculator Estimates muscularity level based on body weight, body fat percentage, and heigh...
Health & Fitness
EN
Surface Speed Calculator Calculates the surface (linear) speed at the outer edge of a rotating object usi...
Science & Engineering
EN
Protein Calorie Percentage Calculator Calculates the percentage of total daily calories that come from protein.
Health & Fitness
EN
Full-Time Equivalent (FTE) Calculator Calculates the number of full-time equivalent employees based on total hours wor...
Business & Retail
EN
Household Electricity Carbon Footprint Calculator Estimates the monthly carbon emissions based on household electricity usage and...
Science & Engineering
EN
Serum Osmolality Calculator Estimates calculated serum osmolality using sodium, glucose, and blood urea nitr...
Health & Fitness
EN
Pool Chlorine Requirement Calculator Calculate how much chlorine (in grams) is needed to raise your swimming pool’s f...
Construction & Home
EN