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Basic Calculator

Calculators

Basic Calculator

Fast, simple and accurate calculator – works directly in your browser. Perform basic math operations instantly with keyboard support.

100% Private Instant Results Keyboard Support Unlimited & Free

Basic Calculator

No data stored. All calculations run locally in your browser — 100% private.

How to Use

Click Numbers

Click on number buttons (0-9) to enter digits

Select Operation

Choose +, -, ×, ÷, or % for calculations

Get Result

Press = button to see the answer

Clear or Delete

Use C for clear all, ⌫ to delete last digit

Features

Instant Results

Get calculations in milliseconds

100% Private

All processing in your browser

Keyboard Support

Use keyboard for faster input

Mobile Friendly

Works perfectly on all devices

Unlimited Use

No limits, no registration

Keyboard Shortcuts

0-9

Numbers

Add

Subtract

Multiply

Divide

Percentage

Decimal

Enter

Equals

Escape

Clear

←

Backspace

Why Use Our Calculator?

Instant Results

Get calculations in milliseconds — no waiting

100% Private

All calculations happen locally — no server

Keyboard Support

Use your keyboard for faster calculations

Any Device

Works perfectly on mobile, tablet and desktop

Frequently Asked Questions

Is this calculator free?

Yes, completely free with unlimited calculations. No registration or login required.

Can I use it offline?

Once the page loads, you can use it offline. All calculations happen in your browser.

Does it support keyboard?

Yes! You can use your keyboard numbers and operators for faster calculations.

What is the percentage button for?

The % button calculates percentages. For example, 20% of 100 = 20.

Is my data private?

Yes! All calculations happen in your browser. We never store or transmit any information.

Can I use decimal numbers?

Yes, use the . button to enter decimal numbers like 3.14 or 10.5.

What does ⌫ button do?

The backspace button (⌫) deletes the last digit you entered, useful for correcting mistakes.

Does it work on mobile?

Yes, the calculator is fully responsive and works perfectly on all devices.

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