Free online construction calculators — simple, practical and easy to use.
Book a Session

Book Time With an Estimator

Calculators handle the quick numbers. When you need someone to check the detail, book a session and we'll work through your project together.

What You Can Book

Choose the session that matches your stage of the project.

Estimating Consultation (30 min)

A free video call to review your drawings, agree the scope of the take-off, and confirm what you need measured.

Quantity Take-Off Booking

Reserve a slot for a full itemised measurement of concrete, masonry, reinforcement, and finishes for your project.

Cost Plan Session

Turn quantities into a working budget with labour, delivery, wastage, preliminaries, and contingency allowances.

Custom Calculator Build

Book a scoping call for a bespoke calculator or spreadsheet built around your own formulas and unit preferences.

How Booking Works

Three steps from first message to delivered estimate.

1

Send Your Details

Message us through the contact page with your project type, location, drawings if you have them, and a preferred time zone.

2

Confirm Your Slot

We reply within one working day with available times, a fixed price where paid work is involved, and a short call invitation.

3

Get Your Estimate

After the session you receive your measured quantities or cost plan in editable spreadsheet and PDF format, with the formulas shown.

No Booking Needed

Try the Free Concrete Calculator

For straightforward slabs, footings, and pads, the free calculator is usually all you need. Enter your dimensions, add a waste allowance, and get the volume in seconds — in metres or feet.

Free to use. Clear formulas. Metric and imperial units.

Concrete Volume Calculator

Free Tool
Estimated concrete required 3.15 m³ Includes 5% extra material.

Ready to Book Your Session?

Tell us about your project and preferred time — we schedule calls across every major time zone, from the Americas to Asia-Pacific.

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