Work out trench volume and backfill quantities on site. TradeSet’s trench calculator works offline so you can quote and plan even without reception.
This calculator is one tool inside the TradeSet app Toolbox: 18 calculators, jobs, history, and PDF export in one place.
Last updated: 18 February 2026
Metric units (mm/m) are used throughout, with Australian standards context where applicable.
Fast on-page input check using metric units for planning only.
Adjusted planning quantity is 111 units (base 100 with 10% allowance).
General guidance only. Verify with plans/engineer/local requirements.
This page is one calculator from the TradeSet Toolbox. Use the app to keep calculator history, attach results to jobs, and export clean PDFs from one place.
Open another tool now so your workflow stays in the same TradeSet calculator cluster.
Concrete Volume Calculator
Concrete volume for slabs, footings and pours. Quick and accurate for concreting.
Open toolMaterial Wastage Calculator
Add wastage to materials for ordering. Reduce waste and reorders.
Open toolJob Cost Calculator
Material and labour cost for jobs. Quick quotes and tracking.
Open toolTrench & Backfill Calculator is built for Australian tradies who need fast, practical answers while planning work, ordering materials, or checking quantities on site.
It supports metric workflows (mm/m) and helps you move from raw measurements to usable outputs without spreadsheet delay. Use this page as an answer resource first, then as a tool.
Excavation volume is 3.24 m3 before pipe displacement and bedding adjustments.
Trench & Backfill Calculator gives fast planning outputs for measuring, ordering, and quoting tasks on Australian jobs in metric units.
No. Use outputs as general guidance only, then verify decisions against approved plans, engineering advice, and local requirements.
Yes. TradeSet is designed for on-site workflows where reception can be unreliable, with calculators and saved context available quickly.
Use these links to move from guide to calculator, then continue in the TradeSet app workflow.
Concrete Volume Calculator
Concrete volume for slabs, footings and pours. Quick and accurate for concreting.
Open calculatorMaterial Wastage Calculator
Add wastage to materials for ordering. Reduce waste and reorders.
Open calculatorJob Cost Calculator
Material and labour cost for jobs. Quick quotes and tracking.
Open calculatorOutputs use metric units and are intended as general guidance for Australian site planning. Check NCC/AS and project-specific requirements for your situation.
General guidance only. Verify with plans/engineer/local requirements.