Free Online Calculators

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

366 Calculators 16 Categories 100% Free

Categories

Business & Retail

37 Calculators

Chemistry & Biology

6 Calculators

Construction & Home

36 Calculators

Cooking & Nutrition

2 Calculators

Date & Time

6 Calculators

Education & Learning

3 Calculators

Electrical & Electronics

8 Calculators

Financial Calculators

82 Calculators

Health & Fitness

80 Calculators

Math Calculators

25 Calculators

Science & Engineering

45 Calculators

Sports & Performance

9 Calculators

Statistics & Probability

11 Calculators

Text Tools

3 Calculators

Travel & Geography

12 Calculators

Unit Converters

2 Calculators

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VO2 Max Calculator

#1

Estimate VO2 Max from running performance

Health & Fitness 5 variants

GPA Calculator

Calculate Grade Point Average (GPA) based on two courses.

Education & Learning 4 variants

Z-Score Calculator

Calculates how many standard deviations a value is from the mean.

Statistics & Probability 5 variants

Concrete Block Calculator

Estimates the total number of concrete blocks required to build a wall based on wall dimensions and block area.

Construction & Home 4 variants

Loan Calculator

Calculate monthly loan payments, total interest, and amortization schedule for any loan amount and term.

Financial Calculators 4 variants

Ideal Weight Calculator

Calculate ideal body weight using Robinson formula

Health & Fitness 5 variants
All Tools Calculators Converters Generators Makers Checkers

Calculators

366 total
Average Annual Population Growth Rate Calculator Calculates the average annual population growth rate as a percentage based on in...
Statistics & Probability
EN
Rectangular Prism Surface Area Calculator Calculate the total surface area of a rectangular prism using its length, width,...
Math Calculators
EN
Brake Horsepower (HP) Calculator Calculates engine brake horsepower based on torque and engine speed using the st...
Science & Engineering
EN
Gross Monthly Salary Calculator Calculate your estimated gross monthly salary based on hourly wage and average w...
Financial Calculators
EN
Monthly Interest-Only Loan Payment Calculator Calculates the monthly interest-only payment based on loan principal and annual...
Financial Calculators
EN
Heart Rate Reserve (HRR) Calculator Calculates Heart Rate Reserve by subtracting resting heart rate from maximum hea...
Health & Fitness
EN
Volume to Weight Calculator Calculates the weight of a material based on its volume and density.
Construction & Home
EN
GDP Growth Rate Calculator Calculates the percentage change between an initial GDP value and a final GDP va...
Business & Retail
EN
Stock Profit / Loss Percentage Calculator Calculate the percentage gain or loss on a stock investment based on purchase an...
Financial Calculators
EN
LED Series Resistor Calculator Calculate the required series resistor value for an LED circuit using Ohm’s Law.
Electrical & Electronics
EN
PayPal Fee Calculator Calculate the net amount received after PayPal fees are deducted from a transact...
Financial Calculators
EN
Triglyceride to HDL Ratio Calculator Calculates the ratio between fasting triglycerides and HDL cholesterol levels.
Health & Fitness
EN