Gram Converter
A modern, minimal unit converter for macOS.
Precision meets simplicity.






"g stands for Gram, the foundation of unit conversion."
Features
Instant conversions,
right from your menu bar.
15+ Unit Categories
Length, mass, volume, area, density, fuel economy, temperature, and more — all in one compact window.
Live Conversion Table
See all related unit conversions at a glance. Results update instantly as you type.
Adjustable Precision
Control decimal precision from 1 to 10 digits — perfect for everyday use and scientific needs.
10 Accent Themes
Choose from 10 accent colors with full dark and light mode support. Your converter, your aesthetic.
Menu Bar & Detach
Lives in your menu bar, or detach to a floating window. Always-on-top mode keeps it accessible.
Global Shortcut
Summon or dismiss with ⌥X by default. Fully customizable — never interrupt your flow.
Copy Result Instantly
Click any value to copy it to your clipboard. A light sweep confirms it — no keyboard needed.
Smooth Animations
Polished category transitions and copy effects that make every interaction feel intentional.
Make It Yours
Set default units per category, hide what you don't need, and drag categories into your preferred order.
Available on macOS
g Converter v2 is built natively with SwiftUI for Mac.
One-time Purchase.
Start with the essentials for free.
Free
The essentials, always free.
- Fast menu bar access
- 6 unit categories (Length, Mass, Volume, Area, Temperature, Speed)
- Real-time conversion table
- One-click copy to clipboard
- Precision control (up to 15 digits)
- Adjustable font size (S / M / L / XL)
- 3 accent colors
- Dark & light mode support
- Global keyboard shortcut
Upgrade to Pro
Pay once. Use forever.
- Everything in Standard
- All 15+ unit categories
- All 10 accent colors
- Reorder & hide categories
- Custom default units per category
- Detachable floating window
- Animations (transitions & copy effects)
One-time purchase · macOS 14+