The iCalculator

Everyday calculations made simple. Calculate, convert kitchen units and temperatures, split tips, compare percentages, find date differences, and plan fuel costs.

The iCalculator is back.

A classic calculator with an intentionally retro personality, rebuilt for modern iPhone and iPad with useful everyday tools that go far beyond basic arithmetic.

CLASSIC CALCULATOR

The familiar calculator experience returns with:

• Addition, subtraction, multiplication, and division • Percent • Positive/negative values • Decimal calculations • Memory controls • Chained calculations • Calculation history • Tactile button feedback

The large circular controls and bold display preserve the spirit of the original iCalculator while the app underneath has been completely rebuilt in modern SwiftUI.

QUICK TOOLS

Skip the formulas and jump straight to the answer.

KITCHEN CONVERSIONS

Convert common cooking measurements quickly with dedicated Volume, Weight, and Butter tools.

Common conversions include:

• Cups • Tablespoons • Teaspoons • Fluid ounces • Milliliters • Liters • Pints • Quarts • Gallons • Ounces • Pounds • Grams • Kilograms • Butter measurements • And more

Quick amount presets make common recipe conversions even faster.

TEMPERATURE

Convert Celsius and Fahrenheit instantly.

TIP & SPLIT

Enter the bill, choose a tip, and split the total between any number of people.

Quick presets include:

• 15% • 18% • 20% • 25%

See the tip amount, total bill, and amount per person immediately.

PERCENTAGE & DISCOUNT

Handle common percentage problems without remembering the formula.

Calculate:

• X% of a value • Percentage change • Discounts • Amount saved • Final price

DATE DIFFERENCE

Choose two dates and see:

• Total days • Weeks and days • Calendar difference in years, months, and days

FUEL ECONOMY & TRIP COST

Estimate fuel use and trip cost using:

• MPG • L/100 km • Trip distance • Fuel economy • Fuel price

HISTORY

Review previous calculator operations, reuse results, delete individual entries, or clear the history when you are finished.

MADE FOR IPHONE AND IPAD

The iCalculator adapts to iPhone and iPad while preserving its distinctive retro calculator design.

ENGLISH & SPANISH

The full interface is available in English and Spanish.

Calculation history and preferences stay local to your device.

The iCalculator combines the personality of the original app with practical everyday tools designed to help you get an answer quickly.