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CalKit

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CalKit

Health

Body metrics

Body Mass Index (BMI)

Basal Metabolic Rate (BMR)

Total Daily Energy Expenditure (TDEE)

Sport

Calories burned

Calories Burned Walking

Calories Burned Running

Calories Burned Cycling

Finance

Income & investment

Compound Interest

Hourly to Salary

Salary to Hourly

Math

Arithmetics

Percentages

Greatest Common Factor

Least Common Multiple

Prime Numbers

Science

Physics

Half-life

Force

Chemistry

Molar Mass

All important calculators in one place.

Body mass index calculator
Body mass index calculator
Body mass index calculator
Body mass index calculator
Body mass index calculator

Science-backed

At CalKit we strive to bring you calculators backed by recent research.

User-friendly

Whether you're tracking calories, estimating loan payments, or converting distances, our tools are designed for accuracy and ease of use.

Our categories

Health

Keep track of your wellness with our health calculators. Calculate your BMI, BMR, or your daily energy expenditure. These tools offer great information to support a healthier lifestyle.

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Sport

How fit are you? Our sport calculators can estimate calories burned for exercises, check your pace, or find your VO₂-max easily. Perfect for athletes and fitness enthusiasts alike.

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Finance

Simplify your finances with tools for calculating compound interest or salary to hourly conversions. Make informed money decisions using visual results.

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Math

Solve your math problems with tools for calculating percentages, prime numbers or the area of a shape. Great for students, teachers, or anyone needing quick answers.

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Science

Interested in science or need some help with your homework? With calculators for half-life, unit conversion, and molar mass we've got your covered.

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Our calculators

Health

Body metrics

Body Mass Index (BMI)

Basal Metabolic Rate (BMR)

Total Daily Energy Expenditure (TDEE)

Popular calculators

  • Body Mass Index (BMI)
  • Compound interest
  • Calories burned running
  • Area of Shape
  • Basal Metabolic Rate (BMR)
  • Half-life
  • Molar mass
  • Calories burned cycling
  • Pace

Our categories

Health
Sport
Finance
Math
Science
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