NFPA 13 / 13R / 13D · Hydraulic calculations

Advanced hydraulic calculations for modern fire sprinkler design.

CaidentCalc is a fast, accurate, NFPA-compliant calculation engine with batch processing, professional graphs, and auto-generated cover sheets, built for modern fire sprinkler professionals.

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$25/month · no contracts · floating license · Windows 10 & 11

CaidentCalc pipe table editor on a laptop showing fire sprinkler fitting equivalent lengths
Why CaidentCalc

Smarter software for a new era of fire protection design.

Built in collaboration with fire sprinkler designers and installers, every feature is shaped by real-world project challenges to ensure the software works the way professionals do.

Design faster

Batch-calculate multiple scenarios from one workspace and export submission-ready PDFs in a click.

Improve accuracy

Intelligent errors and warnings catch problems before they ever reach the AHJ.

Save money

The best-priced calculation software in the industry with modern tools, no contracts, and a floating license.

The difference

CaidentCalc vs. The Typical Calculator

FeatureCaidentCalcTypical hydraulic calculators
Suitable for NFPA 13, 13R, 13D systems✓✓
Pumps, fixed-loss devices, and loops✓Most
Customizable pipe tables✓Some
Batch calculations✓Rare
Auto-generated cover sheets✓✗
Customizable cover sheets with your branding✓Some
Low monthly price, no contracts✓✗
Modern user interface✓✗
Professional graphs✓✗
Active development team✓Rare
Import past PDF calcs from other software as editable files✓✗
AI check for local requirementsComing soon✗
Feature requests that actually get builtYes — reach out✗
The Caident advantage

Fast, accurate, and built the way you work.

Streamlined batch calculations

Run every area from one workspace.

Calculate multiple scenarios in a single pass and generate submission-ready PDFs directly, with no need to rerun areas one at a time.

CaidentCalc batch calculation summary showing pass results for multiple sprinkler areas
Visual system analysis

Professional graphs that make review intuitive.

See supply versus demand at a glance with clean, professional-grade graphs for fast, visual system review instead of squinting at raw numbers.

CaidentCalc water supply curve graph comparing system demand to available pressure
Modern user interface

Intuitive, visual, and quick to learn.

A clean, modern interface that’s easy to learn and quick to use, with high-contrast text and multiple color profiles for comfortable, all-day work.

CaidentCalc calculation areas interface for entering sprinkler flow and K-factor data
Switch without starting over

Already have calcs in another program? Bring them with you.

CaidentCalc imports PDF calculation outputs from other fire sprinkler calculation software and converts them into editable CaidentCalc files. Years of data in another format are never a barrier to switching. They come right along with you.

CaidentCalc importing a fire sprinkler calculation PDF into an editable project file
Full access
$25 / month
  • Zero onboarding fees
  • No contracts, cancel anytime
  • Flexible, floating licenses
Buy now → Full pricing & FAQ →
Get started

Modernize your fire sprinkler calculations today.

The modern solution trusted by fire protection professionals, with the best price in the industry and no contracts.

Get CaidentCalc → Request a demo