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UtilHQ

Guides & Tutorials

Expert advice for your construction and DIY projects. Page 12 of 14.

legal

How to Write a Freelance Contract (Clauses & Tips)

Learn every clause your freelance contract needs to protect your work, guarantee payment, and prevent scope creep. Includes clause examples and a free template download.

business

How to Write a Letter of Recommendation (With Examples)

Complete guide to writing effective recommendation letters for employment, academic, and character references. Includes structure, examples, and what to avoid.

business

How to Write a Resignation Letter (Templates & Examples)

Step-by-step guide to writing a professional resignation letter. Covers two-weeks notice, immediate resignation, counteroffers, and common mistakes to avoid.

developer

Subnetting Guide: CIDR, Subnet Masks & Design

Learn subnetting from scratch. Covers CIDR notation, subnet masks, calculating host ranges, and practical network design examples for home, office, and data center.

developer

MAC Addresses: OUI Lookup & Vendor Guide

Learn what MAC addresses are, how OUI vendor lookup works, the difference between MAC and IP addresses, and when MAC lookups are useful for network security.

finance

How to Calculate ROI: Formulas, Examples & Tips

Learn how to calculate ROI accurately, understand annualized returns, and adjust for inflation. A complete guide with formulas for investors and business owners.

construction

How Many Deck Boards Do I Need for My Deck?

Calculate exact deck board quantities with our complete guide. Includes formulas, waste factors, reference charts, and pro tips for all deck sizes and board widths.

construction

How Many Fence Pickets Do I Need? Complete Material Guide

Calculate exact fence materials with our complete guide. Includes formulas, post spacing charts, picket counts, and concrete requirements for all fence styles.

flooring

How Much Flooring Do I Need? Complete Calculator Guide

Calculate exact flooring quantities for any room shape or size. Includes formulas, waste factors, and pro tips for hardwood, laminate, vinyl, tile, and carpet.

paint

How Much Paint Do You Need for a Room? Complete Guide

Calculate exact paint quantities for any room with our complete guide. Includes formulas, coverage charts, and professional painter tips for all room sizes.

data

Word Count Guide for Writers and Content Creators

Master word count requirements for every platform and content type. Includes character limits, reading time formulas, and SEO content length guidelines for writers.

developer

Cron Job Examples for Common Tasks (Copy-Paste Ready)

Practical cron job examples with clear explanations. Copy-paste ready crontab schedules for backups, reports, cleanup, monitoring, and automation tasks.

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