🧮 Basic Calculator

Simple arithmetic — add, subtract, multiply, divide

Calculation type

Percentage (X%)

Number (Y)

Weight

Height

Bill Amount

Tip % — 15%

Split between

Date of Birth

Age as of

Start Date

End Date

Show working days breakdown

Loan Amount

Annual Interest (%)

Term (years)

Category

From

Value

Country

Annual Gross Salary (€)

Filing Status

Tax Year

Select currencies and enter an amount

Amount

From

ⓘ Rates from open.er-api.com · updated daily. Not for financial transactions.

Amount

VAT Rate (%)

Amount is

Original Price

Discount (%)

Principal Amount

Annual Rate (%)

Time (years)

Compound frequency

Distance (km)

Fuel Consumption (L/100km)

Fuel Price (per litre)

Fill in any two fields — the third will be calculated.

Distance (km)

Speed (km/h)

Time (hours)

Age

Gender

Weight (kg)

Height (cm)

Activity Level

I want to wake up at

Each sleep cycle is ~90 minutes. You should sleep for 5 or 6 complete cycles (7.5–9 hours).

Course

Grade

Credits

Number → Roman

Roman → Number

Length — 16 characters

Uppercase (A-Z) Lowercase (a-z) Numbers (0-9) Symbols (!@#$)

What you can calculate

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🧮 Basic Calculator

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Money

Health

Dates

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Study

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🧮 Basic Calculator

Free calculators by category

Money

Health

Dates

Travel

Study

Utilities

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