Access & Pricing

The Full
Iron Institute

Every calculator, every spec sheet, every reference tool — updated as the suite grows.

Free
$0
No account required
Included
✓
CE Calculator
IIW & Pcm · NACE pass/fail
✓
Pressure Rating
Barlow's · B31.3 · B31.4 · B31.8
Use Free Tools
⬡ Best Value
Annual
$129
/ year
Save $51 — 2.5 months free
Everything in Free, plus
✓Pipe Weight Calc
✓Hardness Conversion
✓Pressure Converter
✓Pipe Chart
✓TAA / Buy American
✓Incoterms 2020
Spec Sheets
✓ASTM A106
✓ASTM A53
✓API 5L
✓PSL 1 vs PSL 2
✓ASTM A333
✓ASTM A312
✓ASTM A335
New tools and specs added regularly. Access everything as it ships.
Site License
Custom
Teams of 5 or more
Includes
✓Everything in full access
✓Up to 10 users — $499/yr
✓Unlimited users — $999/yr
✓Single invoice, NET 30 available
✓Onboarding call included
Contact Us
⬡
Cancel Anytime
No contracts. Cancel in one click.
⬡
Always Up to Date
New tools and specs included automatically.
⬡
No Credit Card
Free tools require no account at all.
Common Questions
What's included in the free tier?
The CE Calculator (IIW & Pcm with NACE MR0175 pass/fail) and the Pressure Rating Calculator (Barlow's formula with B31.3, B31.4, B31.8, DOT 192). Both are fully functional with no email or account required.
Can I switch from monthly to annual?
Yes — upgrade at any time. You'll be credited for the remaining days on your monthly plan.
Do new tools and specs cost extra?
No. Everything added to the suite is automatically included in your subscription at no additional charge.
What happens if I cancel?
You keep access until the end of your current billing period. No partial refunds, no surprise charges.
What payment methods are accepted?
All major credit and debit cards via Stripe. Site licenses can be invoiced NET 30.
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