Know Your Shot Before You Take It
Free ballistics calculator trusted to 0.1 MOA. Trajectory, drop, windage, and energy for 300+ ammo loads — no app install, no login.
Free forever. No account required.
Engine validated against JBM Ballistics reference data across multiple calibers and conditions.
From Ammo Load Data to Range Confidence
Professional ballistic tools that work the way you think — caliber in, data out. Free, with nothing hidden behind a paywall.
Dial In Any Loadout
Enter your cartridge, zero range, and conditions. Get trajectory, drop, and windage computed with G1/G7 drag models.
See the Full Picture
10 interactive charts — trajectory, velocity, energy, windage, time of flight. Most tools give you one. You get all of them.
Compare Before You Buy
Load two cartridges side-by-side. See every metric with delta analysis — no toggling between screens.
Find the Best Price
Coming SoonLive pricing from major retailers, updated continuously. Know what your next box costs before you click.
Save Your Guns
PremiumStore barrel length, twist rate, and sight height so every calculation starts with your exact setup.
Build DOPE Cards
PremiumDigital data cards for every gun and load combo. Print them or pull them up at the range — even offline.
Three Steps to Better Data
No downloads. No account. Just open and shoot.
- 1
Pick Your Loadout
Choose from 300+ factory ammo loads or enter custom specs.
- 2
Set Your Conditions
Zero range, altitude, temperature, wind. The engine handles the math.
- 3
Get Your Data
Trajectory, drop tables, DOPE — 10 charts, exportable, shareable.
40+ Calibers. 300+ Ammo Loadouts. Your Round Is Here.
Every load computed from manufacturer specs — not crowd-sourced guesses.
Rifle (Common)
Rifle (Tactical)
Pistol
Suppressor-Friendly
Specialty
The Calculator Is Free. Seriously.
Full ballistics engine, all 10 charts, no login required. Premium adds gun profiles, DOPE cards, and offline mode.
Free
Full calculator access, no account needed.
- Ballistics Calculator
- 10 Interactive Charts
- Ammo Comparison
- Export & URL Sharing
- Caliber Database
No account needed
Premium
or $39.99/year (save 33%)
Everything in Free, plus:
- Gun Profiles
- Custom Ammo Loadouts
- DOPE Cards & PDF Export
- Forum Posting
- Shooting Log
- Favorites & Bookmarks
- Advanced Analytics
- Offline Mode (PWA)
Cancel anytime. 33% off with annual.