Calcipedia
Tom Gallagher
Writer

Tom Gallagher

Building & Renovation Specialist

Construction Home & DIY

About Tom

Tom started in the building trade as an apprentice and worked his way up to running his own crew. He specialises in residential renovation and brings a hands-on perspective to everything he writes. His articles focus on the practical details that make the difference between a job done right and an expensive mistake.

Articles by Tom

Guide

How to Plan and Build a Garden Fence: Posts, Panels, and Materials

Calculate how many fence posts, panels, and bags of concrete you need — plus stain coverage — so you can order the right materials and avoid costly mid-project trips to the builder's merchant.

Tom Gallagher Tom Gallagher
26 Mar 2026 3 calculators

Guide

How Much Does a Swimming Pool Cost to Fill and Maintain?

Calculate your pool's volume in litres or gallons, estimate annual water and electricity costs, and understand the ongoing expenses most pool owners underestimate.

Tom Gallagher Tom Gallagher
26 Mar 2026 3 calculators

Guide

Wallpapering a Room: Measuring, Ordering, and Avoiding Waste

Calculate exactly how many rolls of wallpaper you need, account for pattern repeats and windows, and avoid the costly mistake of running short mid-project.

Tom Gallagher Tom Gallagher
26 Mar 2026 3 calculators

Guide

Landscaping on a Budget: Calculating Mulch, Gravel, and Ground Cover

Work out exactly how much mulch, gravel, or ground cover you need — so you order once, spread once, and don't waste money on excess material.

Tom Gallagher Tom Gallagher
15 Mar 2026 3 calculators

Guide

Building Safe Stairs: Codes, Rise and Run, and Getting It Right

Understand riser height, tread depth, and building codes — then calculate your stair dimensions so they're comfortable, safe, and up to code.

Tom Gallagher Tom Gallagher
11 Mar 2026 2 calculators

Guide

How to Measure and Order Roofing Materials Without Wasting Money

Calculate your roof area, estimate shingle bundles, and order the right amount of underlayment — with enough margin for waste but not enough to blow your budget.

Tom Gallagher Tom Gallagher
7 Mar 2026 2 calculators

Guide

Pouring Concrete: How to Calculate What You Need for Slabs, Footings, and Posts

Get your concrete, gravel, and area calculations right before you order — because running short mid-pour is a disaster you only make once.

Tom Gallagher Tom Gallagher
3 Mar 2026 3 calculators

Guide

How to Estimate a Full Room Renovation

From drywall to paint to new flooring — calculate every material you need for a complete room makeover without over-ordering or running short.

Tom Gallagher Tom Gallagher
24 Feb 2026 4 calculators

Guide

Building a Backyard Deck: Materials, Costs, and Mistakes

Plan your deck build with confidence — calculate board quantities, stain coverage, and lumber volumes before you spend a penny.

Tom Gallagher Tom Gallagher
16 Feb 2026 3 calculators

Guide

Planning Your First DIY Tiling Project

From measuring your space to ordering the right amount of tile, grout, and thinset — with calculators to do the maths for you.

Tom Gallagher Tom Gallagher
7 Feb 2026 4 calculators