BoxFillCalculator.com vs Mike Holt

Mike Holt is a well-known name in electrical education, offering training materials and calculation tools.

Quick Summary

Both tools can help with box fill calculations, but BoxFillCalculator.com offers a completely free, web-based solution with no downloads or registration required. Our calculator is updated for NEC 2023 including terminal block requirements (314.16(B)(6)).

Feature Comparison

FeatureBoxFillCalculator.comMike Holt
Free to use
Some tools paid
No registration
Account may be needed
NEC 2023 compliant
Terminal blocks (314.16(B)(6))
Likely
Educational content
Extensive
Instant results
Mobile friendly
Varies
No ads
Minimal
Varies

Mike Holt Advantages

  • Trusted name in electrical education
  • Comprehensive NEC training resources
  • Detailed explanations

Mike Holt Limitations

  • Some tools require purchase
  • May be part of larger course packages
  • Can be overwhelming for simple calculations

Why Choose BoxFillCalculator.com

100% Free, Always

No subscriptions, no premium tiers, no hidden costs. Our calculator is completely free to use.

No Downloads Required

Access instantly from any web browser. No app installation, no storage space needed.

NEC 2023 Compliant

Updated for the latest code including terminal block requirements per 314.16(B)(6).

No Account Needed

Start calculating immediately. No registration, no email, no passwords to remember.

Try Our Free Calculator

See why electricians choose BoxFillCalculator.com for their NEC 314.16 calculations.

Open Box Fill Calculator

Making the Right Choice

When choosing a box fill calculator, consider your specific needs:

  • Accessibility: Do you need web-based access or prefer a mobile app?
  • Cost: Are you looking for a free tool or willing to pay for additional features?
  • Code Compliance: Is the calculator updated for the latest NEC edition?
  • Ease of Use: How quickly can you start calculating without setup?

BoxFillCalculator.com excels in all these areas by providing a free, instant-access, web-based calculator that's always up to date with NEC requirements.

Other Comparisons

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