Calcnest: Calculator & Units

Calcnest opens straight to the calculator. Type, see the result while you type, done.

CALCULATOR THAT GETS THE MATH RIGHT
• Correct order of operations: 2 + 2 × 3 = 8
• Percent the way you expect: 50 + 10% = 55, 50 − 10% = 45
• Live result preview while you type
• Long-press the result to copy it
• Choose decimal places and the thousands separator
• Key vibration you can switch on or off

EVERYDAY TOOLS IN ONE PLACE
• Discount calculator: price and % off → final price and how much you save, plus an extra discount
• Tip and bill split: total, tip and people → what each person pays
• Unit converter: length, weight, volume, temperature, area, speed, data storage
• Cooking converter: cups, tablespoons and teaspoons to grams for flour, sugar, butter, rice, milk and water
• Date calculator: days between two dates, add or subtract days, age in years
• Loan calculator: monthly payment, total interest and total repaid
• Unit price: which pack is the better deal
• BMI calculator with the WHO adult range

EVERY RESULT IS KEPT
• Calculator and tool results go to History automatically, with no limit
• Pin the numbers you reuse, add a note like "Dinner, per person"
• Tap any result to keep calculating with it
• Swipe to delete, with undo
• Share one result or your whole history as text

ONE TAP FROM ANYWHERE
• Home screen widget: your last result, the calculator and two favorite tools
• Quick settings tile: pull down and you're in the calculator
• Star up to three favorite tools

PRIVATE BY DESIGN
No sign-up, no account. Your calculations and history stay on your phone. The app is supported by ads; ad sound is muted.

Light and dark themes. Works offline.