Calico Mini - Always-Open Calculator & Multitool

Calico Mini is a lightweight floating calculator that opens near your cursor with a hotkey. It supports quick math, conversions, time queries, color picking, and small utility calculations without leaving the app you are using. 

Highlights

• Commands can use either ! or /, such as !help or /help
• Right-click or click the menu icon for inserts
• History for committed results
• Live calculations while typing
• Configurable global hotkey 

Math Input

• Operators: + - * / ^ ( )
• Decimals, unary signs, nested parentheses, and exponentiation
• Compact magnitudes: 10k = 10,000, 10m = 10,000,000, 10b = 10,000,000,000, 10t = 10,000,000,000,000
  • Unit context wins: 10 m and 10m to cm mean meters, while standalone 10m means ten million
• Percent handling:
  • 20% = 0.2
  • 30 + 10% applies 10% of 30
  • 15% of 80 = 12
  • what % of 2 weeks is 272.9 hr
• Constants and functions:
  • pi, e
  • sqrt(), sin(), cos(), tan(), log(), ln(), abs()
  • floor(), ceil(), round(), min(), max(), pow()
• Spacing is optional

Units And Conversions

Supported categories:

• Length: in, ft, yd, m, cm, mm, km, mi, nmi, ly
• Temperature: C, F, K
• Time: ns, us, ms, s, min, h, day, week, month, year
• Area, weight, volume, and memory units

Examples:

• 5 km = mi
• 72 F to C
• convert 100 square feet to square meters
• 1 gallon in liters
• 8 GB to MB
• 2 in + 3 m
• 2 in + 3 m to cm
• 5' 3"

Comparison Queries

Ask comparison questions and get a yes/no result:

• is 5 km > 3 miles
• is 100 F < 40 C
• is 2 hours = 120 minutes

Supported operators: >, <, >=, <=, =, ==, !=

Time And Holiday Queries

Examples:

• now
• current time
• time in Tokyo
• time in Paris, TX
• time in Spain
• timezone of Utah
• time difference between Tokyo and Dallas
• hours between Tokyo and Dallas
• current time in America/Chicago
• 2:30 PM Central to Eastern
• 2:30 PM America/Chicago to Europe/London
• until 12/25/2026 16:45
• since 1/1 9:00 PM
• between 06/01 8:00 and 06/15 20:00
• weeks until christmas
• minutes since halloween
• is today a holiday

Supported duration units: seconds, minutes, hours, days, weeks, months, years

Stats

Examples:

• avg 1, 2, 3, 4
• mean 1 2 3 4
• average of 1,000; 2,000; 3,000
• median(10, 2, 3, 4)
• mode 1, 1, 2, 2, 3

Roman Numerals

Examples:

• mcmxciv
• 49 to/in roman
• (40 + 9) in roman

Roman numeral conversion supports standard values from 1 to 3999.

Commands

Use either ! or /.

!help (or /help)

Shows the available commands.

!about

Shows the Calico Mini version and third-party data attribution.

!8ball [optional question]

Returns a random Magic 8-Ball style response.

!qr [text/link]

Generates a qr code and copies it to your clipboard.

!roll [dice notation] [modifiers]

Examples:

• !roll 6
• !roll d6
• !roll 2d6
• !roll d20 + 5
• !roll 3d6 + 2 - 1

!random [range]

Examples:

• !random
• !random 10
• !random 1-100

!color

Starts a screen color picker. Move the cursor to preview the hovered color, then left-click to save it to history and copy the hex code to your clipboard.

!opacity [value]

Changes the window opacity. Use -10 or +10 for a relative adjustment, or an absolute value from 40 through 100, optionally followed by %. With no value, the command shows the current opacity.