Calculate
SQM Calculator
Turn stone dimensions into square metres with clarity.
Stone measurements
Enter your dimensions to calculate area.
Material Pricing
Estimate the material cost using an area or piece rate.
Results update as you type. Your measurements stay in this page and are not saved or submitted.
Area summary
Live calculationEnter valid measurements to see your area summary.
Every piece starts with a measurement
Enter a positive length, width and whole-piece quantity. Your area summary will appear here automatically.
Export Calculation
Download the current calculation as text, an editable spreadsheet or a printable PDF.
Length is required.
How to Calculate ManuallyLearn the formula and calculate it yourself.
Enter a valid length, width and whole-piece quantity to see your measurements worked through step by step.