---
product_id: 121592692
title: "Ductulator Trane- Duct Sizing Calculator, English & Metric Units"
brand: "builder'book inc."
price: "$88"
currency: NZD
in_stock: true
reviews_count: 2
category: "Builder'book Inc."
url: https://www.desertcart.nz/products/121592692-ductulator-trane-duct-sizing-calculator-english-and-metric-units
store_origin: NZ
region: New Zealand
---

# Ductulator Trane- Duct Sizing Calculator, English & Metric Units

**Brand:** builder'book inc.
**Price:** $88
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ductulator Trane- Duct Sizing Calculator, English & Metric Units by builder'book inc.
- **How much does it cost?** $88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/121592692-ductulator-trane-duct-sizing-calculator-english-and-metric-units)

## Best For

- builder'book inc. enthusiasts

## Why This Product

- Trusted builder'book inc. brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Calculating duct dimensions is a cinch with the Ductulator! The Ductulator - Duct Sizing Calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. This accurate, easy-to-use duct size calculator includes scales for friction loss per unit length, air volume, air velocity, round duct diameter and rectangular duct diameters. One side uses English units, the other side uses Metric units. Includes a protective sleeve with ASHRAE recommended design air velocities for system components/applications.

Review: As advertised - As advertised
Review: Great product - Used for work

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07KCZC2DF |
| Best Sellers Rank | #93,240 in Office Products ( See Top 100 in Office Products ) #185 in Basic Office Calculators |
| Brand | BUILDER'BOOK INC. |
| Calculator Type | Specialized (HVAC Duct Sizing) |
| Customer Reviews | 4.8 out of 5 stars 25 Reviews |
| Display Type | LED or VFD |
| Enclosure Material | Plastic |
| Manufacturer | BUILDER'BOOK INC. |
| Material | Plastic |
| Model Name | Ductulator Trane- Duct Sizing Calculator, English & Metric Units |
| Number of Batteries | Nonstandard Battery batteries required. |
| Power Source | Battery Powered |

## Product Details

- **Brand:** BUILDER'BOOK INC.
- **Calculator Type:** Specialized (HVAC Duct Sizing)
- **Power Source:** Battery Powered
- **Number of Batteries:** Nonstandard Battery batteries required.
- **Model Name:** Ductulator Trane- Duct Sizing Calculator, English & Metric Units

## Images

![Ductulator Trane- Duct Sizing Calculator, English & Metric Units - Image 1](https://m.media-amazon.com/images/I/315JsIRToSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ As advertised
*by G***A on November 1, 2022*

As advertised

### ⭐⭐⭐⭐⭐ Great product
*by C***H on December 18, 2020*

Used for work

## Frequently Bought Together

- Ductulator Trane- Duct Sizing Calculator, English & Metric Units
- Air Duct Sizing Calculator
- REVISED AND UPDATED! HVAC Tables, Equations & Rules of Thumb Quick-Card

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**Shop now:** [https://www.desertcart.nz/products/121592692-ductulator-trane-duct-sizing-calculator-english-and-metric-units](https://www.desertcart.nz/products/121592692-ductulator-trane-duct-sizing-calculator-english-and-metric-units)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-20*