Ducts with cross-sectional length greater than 1,200mm are recommended to be split into two or more ducts, whereever possible. The proposed duct sizes are for the cross-sectional dimensions of the ducts as the linear length is determined by location of the room(s).

Disclaimer

The online calculators are to generate queries only, we recommend working with experts to ensure suitability; if you are unsure or would like assistance analysing your current setup or application, feel free to contact us with your questions for professional advice from one from our experts. Nehmeh assumes no responsibility or liability for any errors or omissions using these online calculators. These online tools are guides and do not constitute as professional advice.

Unique Online Tools Unique Online Tools

Compressor Sizing

Air Compressor Sizing Calculator

Air Flow Converter

HVAC & pneumatic calculator

Concrete Calculator

Calculate concrete pours required

Duct Calculator

Get draft proposals for duct sizing

Extension Calculator

Extension Wire Size Calculator

Oil-Mix
Calculator

Oil/petrol ratio calculator

Power Calculator

Energy consumption calculator

Paint Estimator

Paint calculator & estimator

RAL
Colors

RAL Classic Colors System

Universal Converter

Powerful universal unit converter

Vibration
Calculator

Hand & Arm Vibration Calculator

Water
Flow

Volume & Flow Rate Converter

Service Tracker

Track service live

Health
Check

Health Audit Booking

Service Booking

Easy service online booking

Nehmeh eLearning

Never stop learning

Our
Catalogs

Access all the catalogs

Our
Apps

Mobile Apps

Part of our Value-Added Services

We go the Extra Mile