Best apps like HMT Calc

10+ similar apps compared and reviewed

4.2 avg rating
9 free apps
Updated August 2026

Looking for something like HMT Calc? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to HMT Calc

PipeGauge – Pipe Size Finder#2

PipeGauge – Pipe Size Finder by Katherine Ryan

Instant Pipe Size Calculator
Strong Contender
🔧 Utilities
5.0(1 ratings)
Free
PipeGauge – Pipe Size Finder screenshot 1
PipeGauge – Pipe Size Finder screenshot 2
PipeGauge – Pipe Size Finder screenshot 3
PipeGauge – Pipe Size Finder screenshot 4
PipeGauge – Pipe Size Finder screenshot 5
PipeGauge – Pipe Size Finder screenshot 6

This tool instantly calculates pipe sizes for plumbing, HVAC, and construction professionals. It eliminates the need for charts or internet access, providing quick and accurate results on job sites to prevent errors and improve efficiency.

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Ayaani
Ayaani
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Devo Security
Devo Security
Devo Security
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Cornell Pump Toolkit
Cornell Pump Toolkit
Cornell Pump Toolkit
by Cornell Pump
Free

This utility app helps calculate key centrifugal pump performance metrics like head, suction, and friction loss. It also suggests suitable pumps from a catalog and allows saving and sharing results. It's designed for field use on Apple devices, functioning offline.

Calculate Total Dynamic HeadCalculate Net Positive Suction HeadCalculate Friction Loss
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7
BendPro: Conduit Bending
BendPro: Conduit Bending
BendPro: Conduit Bending
EMT Bend Calculator
Free

This app assists electricians and conduit workers with rapid bend calculations in the field. It offers various calculators for different bend types, providing detailed marks, spacing, and step-by-step instructions for efficient conduit work.

Quick calculators for multiple bend typesField-ready marks and spacingStep-by-step instructions
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(1)
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8
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
BTU Sizing for Contractors
Free
$1.99 | 100% OFF

This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.

Multiple accuracy levels (Simple, Moderate, Pro)Offline-ready calculationsProfessional PDF report generation
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9
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
HVAC Sizing & Psychrometric
Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart
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10
Allday HVAC Calc
Allday HVAC Calc
Allday HVAC Calc
Pipe and Duct calculations
Free

This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

Psychrometric air property calculationsPipe velocity and pressure loss calculationDuct speed and pressure loss calculation
🔧 Utilities
(1)
free