Free calculators
Plumbing calculators
Pipe sizing, flow, pressure and plumbing job economics.
53 calculators
Plumbing Job Profit
Find out what a plumbing job really earns after parts, labour and the van are covered..
Plumbing Labour Rate
What you pay a plumber is only part of what a plumber costs.
Emergency Call Profit
After-hours work pays a premium, but it also costs more.
Pipe Size Calculator
Find the supply pipe size needed to carry a given flow without excessive velocity..
Pipe Flow Calculator
Calculate the flow rate a pipe carries at a given velocity, or the velocity at a given flow..
Water Flow Calculator
Measure real flow rate from a fill test, and see what it means for fixture capacity..
GPM Calculator
Convert between GPM, litres per minute, cubic feet per second and gallons per hour..
Water Pressure Calculator
Convert between pressure and head height, and work out pressure at a fixture after elevation and friction losses..
Water Heater Size
Size a water heater from household size and peak demand, for both tank and tankless..
Drainage Calculator
Estimate drain pipe size from drainage fixture units and check the slope needed..
Plumbing Cost
Estimate the cost of a plumbing job from fixtures, pipe runs and labour..
Plumbing Labour
Cost the labour on a plumbing job, including travel, helpers and after-hours premiums..
Plumbing Markup
Set markups on plumbing parts, fixtures and labour so the whole job hits your target margin..
Pipe Size
Size a water supply pipe from the flow it has to carry and the velocity you want to hold it to..
Water Flow
How much water a pipe can carry at a given size and velocity, in GPM and litres per minute..
GPM
Measure or estimate flow in gallons per minute, by timing a bucket or from fixture demand..
Water Pressure
Convert between pressure and head, and see what height costs you in PSI..
Water Heater Size
Size a storage water heater from the household's peak hour, not from the number of bedrooms..
Tankless Size
Size a tankless heater from simultaneous flow and the temperature rise your winter water needs..
Pipe Slope
Fall for a drain line, in inches per foot, total drop and percentage grade..
Plumbing Pricing
Price a plumbing job from what it costs you to deliver, with overhead and your target margin both accounted for..
Plumbing Hourly Rate
Work backwards from the income you need to the hourly rate a plumbing business has to charge..
Plumbing Repair Cost
Estimate what a plumbing repair costs, broken into labour, parts and the call-out..
Plumbing Repair Cost
Estimate what a plumbing repair costs, broken into labour, parts and the call-out..
Plumbing Repair Cost
Estimate what a plumbing repair costs, broken into labour, parts and the call-out..
Plumbing Net Profit
What a plumbing business keeps after both the cost of the work and the cost of running the company..
Plumbing Repair Revenue
What the repair side of a plumbing business brings in, and what it actually earns after the cost of delivering it..
Plumbing Break-Even
How much plumbing work you need each month before the business starts making money..
Plumbing Overhead
Add up what a plumbing business costs to run before a single job is done, and what that is as a share of revenue..
Plumbing Overhead
Add up what a plumbing business costs to run before a single job is done, and what that is as a share of revenue..
Plumbing Payroll
What a plumbing employee really costs once burden, overtime and unbillable hours are counted..
Plumbing Productivity
How much of a paid technician day actually reaches an invoice, and what the rest is costing..
Plumbing Productivity
How much of a paid technician day actually reaches an invoice, and what the rest is costing..
Plumbing Acquisition Cost
What it costs a plumbing business to win one customer, and whether the first job covers it..
Plumbing Customer Value
What a plumbing customer is worth across the whole relationship, not just the first job..
Plumbing Lead Value
What one plumbing enquiry is worth, and therefore the most you can sensibly pay for one..
Plumbing Close Rate
Your plumbing close rate, and what one more point of it is worth in revenue..
Plumbing Conversion Rate
How many plumbing enquiries turn into booked work, at each step from call to job..
Plumbing Average Ticket
Your average plumbing invoice, and what a small lift in it is worth across a year..
Revenue Per Tech
What each tech produces in a plumbing business, and what one more would be worth..
Plumbing Recurring Revenue
What a book of plumbing agreements is worth, including the repair work members bring back..
Plumbing Repair Revenue
What the repair side of a plumbing business brings in, and what it actually earns after the cost of delivering it..
Plumbing Repair Revenue
What the repair side of a plumbing business brings in, and what it actually earns after the cost of delivering it..
Plumbing Repair Revenue
What the repair side of a plumbing business brings in, and what it actually earns after the cost of delivering it..
Plumbing Markup
Turn a plumbing job cost into a price at the markup you want, and see the margin that markup actually produces..
Plumbing Markup
Turn a plumbing job cost into a price at the markup you want, and see the margin that markup actually produces..
Plumbing Gross Profit
What is left on plumbing work after the direct cost of delivering it, before overhead..
Plumbing Net Profit
What a plumbing business keeps after both the cost of the work and the cost of running the company..
Plumbing Cash Flow
What actually lands in the bank each month once plumbing customers pay at the speed they really pay..
Plumbing Productivity
How much of a paid technician day actually reaches an invoice, and what the rest is costing..
Plumbing Productivity
How much of a paid technician day actually reaches an invoice, and what the rest is costing..
Plumbing Gross Profit
What is left on plumbing work after the direct cost of delivering it, before overhead..
Plumbing Recurring Revenue
What a book of plumbing agreements is worth, including the repair work members bring back..
Beyond the numbers
Tools that produce something you can send
Invoice Generator
Build a clean, itemised invoice and print it to PDF.
Open toolEstimate Generator
Turn a scope of work into a priced estimate the customer can approve.
Open toolWork Order Generator
Write the job down before the technician leaves: what, where, who, and what they need to take with them..
Open toolOther categories
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