Search
Popular
Deals
Get the answers you’re looking for now.
Find calculators for...
Get the answers you’re looking for now.
Find calculators for...
theCalculator Categories
Math
theCalculator Categories
Conversion
theCalculator Categories
Finance
theCalculator Categories
Student
theCalculator Categories
Statistics
theCalculator Categories
Food
theCalculator Categories
Everyday Life
theCalculator Categories
Health
theCalculator Categories
Physics
theCalculator Categories
Biology
theCalculator Categories
Chemistry
theCalculator Categories
Ecology
theCalculator Categories
Construction
theCalculator Categories
Sport
theCalculator Categories
Technology
theCalculator Categories
Other
theCalculator Categories
Math
theCalculator Categories
Conversion
theCalculator Categories
Finance
theCalculator Categories
Student
theCalculator Categories
Statistics
theCalculator Categories
Food
theCalculator Categories
Everyday Life
theCalculator Categories
Health

The evolution of the calculator

Calculators have come a long way since their beginning. Check out the journey calculators have gone through till now.

Fingers

Since Humans Existed

Stones

Second counting method

Abacus

2500 BCE

Napier's Bones

1617

Pascal Calculator

1642

Colmar's Calculator

1850

Curta

1942

1970

Since Humans Existed

Smartphone

Present

Popular Calculators

Check out which calculators people use most often in their daily life.

Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator
Age Calculator Tool

Age Calculator

theCalculator FAQs

Have a different question? Contact us today.

How does theCalculator work?

theCalculator is a website that provides free access to hundreds of online calculators. You simply select the calculator you wish to use, input a few pieces of information and get an instant answer.

Are these calculators free to use?

All of the calculators on our website are completely free to use. There are no limits on how many calculations you can try.

Is theCalculator safe to use?

theCalculator is safe to use and does not collect any data when you use our calculators.

What countries can theCalculator be used in?

Our calculators are available worldwide and intended to be a resource for anyone, anywhere, anytime.

Resources
All articles
Illustrations Trends 2021 Canada

These cute animated icons can be used in many place, like replacing the boring spinners

Illustrations Trends 2021 Canada

These cute animated icons can be used in many place, like replacing the boring spinners

Do’s and Don’ts for Using Animation in UI

These cute animated icons can be used in many place, like replacing the boring spinners

Illustrations Trends 2021 Canada

These cute animated icons can be used in many place, like replacing the boring spinners

Visual Design Principles in UX

These cute animated icons can be used in many place, like replacing the boring spinners

Do’s and Don’ts for Using Animation in UI

These cute animated icons can be used in many place, like replacing the boring spinners

Do’s and Don’ts for Using Animation in UI

These cute animated icons can be used in many place, like replacing the boring spinners

Visual Design Principles in UX

These cute animated icons can be used in many place, like replacing the boring spinners

Visual Design Principles in UX

These cute animated icons can be used in many place, like replacing the boring spinners