g Converter iconv2
macOS 14+

Gram Converter

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

Length conversion

"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.

macOS
Requires macOS 14 (Sonoma) or later
Available

One-time Purchase.

Start with the essentials for free.

Free

$0

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
Download on Mac App Store
PRO

Upgrade to Pro

$4.99/ one-time

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)
Upgrade to Pro — $4.99

One-time purchase · macOS 14+