Site Water Consumption Calculator
Estimate water consumption on site.
The Site Water Consumption Calculator is a free tool designed for construction professionals and enthusiasts. Estimate water consumption on site. Instantly get the required materials broken down by purchase units, with an option to add a wastage allowance so you never run short on site.
Inputs
Result
Result
How to Use This Calculator
- Gather cost data: materials, labour, machinery and overheads.
- Enter the values in the corresponding fields.
- Enter the profit margin and overhead percentage if applicable.
- Review subtotals before accepting the final result.
- Click 'Calculate' to get cost breakdown, unit price and totals.
Frequently Asked Questions
Overheads typically range from 13–17 % of the direct cost. A profit margin of around 6 % is then added on top.
Selling price = Direct cost × (1 + Overhead%) × (1 + Profit%) × (1 + VAT%). The management calculators in this suite help you break down each item.
Output rate is the amount of work completed by one worker per day (e.g. m² of plastering, ml of pipe installed). This is key for calculating labour costs.