Free Online Calculators

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

367 Calculators 16 Categories 100% Free

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Gratuity Calculator

#1

Calculate gratuity amount as per Indian labor laws

Financial Calculators 5 variants

BMI Calculator

Calculate your Body Mass Index (BMI) to assess your weight category and health status.

Health & Fitness 5 variants

Household Electricity Carbon Footprint Calculator

Estimates the monthly carbon emissions based on household electricity usage and emission factor.

Science & Engineering 4 variants

Price Elasticity of Supply (PES) Calculator

Calculates the price elasticity of supply using the standard midpoint-free formula.

Business & Retail 4 variants

Total Cholesterol to HDL Ratio Calculator

Calculates the Total Cholesterol to HDL Cholesterol ratio, a cardiovascular risk indicator.

Health & Fitness 4 variants

Roof Pitch Calculator

Calculates the roof slope (pitch) based on vertical rise and horizontal run.

Construction & Home 5 variants
All Tools Calculators Converters Generators Makers Checkers

Calculators

367 total
Power to Current Calculator Convert electrical power (watts) and voltage (volts) into current (amps).
Electrical & Electronics
EN
Inflation Rate Calculator (CPI-Based) Calculates the inflation rate between two periods using Consumer Price Index (CP...
Financial Calculators
EN
Stroke Volume Calculator Estimates the amount of blood pumped by the heart per beat using cardiac output...
Health & Fitness
EN
House Construction Cost Calculator Estimate the total cost of building a house based on total floor area and constr...
Construction & Home
EN
Voltage Divider Calculator Calculates the output voltage (Vout) of a two-resistor voltage divider circuit.
Electrical & Electronics
EN
FIB-4 Index Calculator Estimates liver fibrosis risk using age and common laboratory values (AST, ALT,...
Health & Fitness
EN
Gravitational Force Calculator Calculate the gravitational force between two masses using Newton’s Law of Unive...
Science & Engineering
EN
Medication Dosage Calculator Calculates the total medication dose based on body weight and prescribed dosage...
Health & Fitness
EN
Elastic Potential Energy Calculator Calculates the elastic potential energy stored in a stretched or compressed spri...
Science & Engineering
EN
Coffee to Water Ratio Calculator Calculate the required amount of water based on coffee grounds and desired brew...
Cooking & Nutrition
EN
Shock Index Calculator Estimates hemodynamic stability using heart rate and systolic blood pressure.
Health & Fitness
EN
Batting Average Calculator Calculate a baseball or softball player's batting average.
Sports & Performance
EN