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Free calculators

Plumbing calculators

Pipe sizing, flow, pressure and plumbing job economics.

53 calculators

Plumbing Job Profit

See what one job leaves after burdened labour, materials and the travel and overhead it consumed..

Plumbing Labour Rate

What you pay a plumber is only part of what a plumber costs.

Emergency Call Profit

Work out what an out of hours call actually returns once premium labour and the disruption are counted..

Pipe Size Calculator

Size supply pipe from demand and the velocity the material will tolerate, as a planning check against the code that applies where you work..

Pipe Flow Calculator

Work out flow and friction loss for a pipe run, so the size can be checked against both delivery and pressure..

Water Flow Calculator

Work out volumetric flow from pipe size and velocity, or check one against the other..

GPM Calculator

Convert between flow rate units and check a measured or required flow against a pipe size..

Water Pressure Calculator

Work out pressure at a point after elevation and friction losses, or what static pressure a height requires..

Water Heater Size

Size a storage water heater from peak demand and recovery rate rather than from tank capacity alone..

Drainage Calculator

Size drainage pipe from fixture load and slope, as a planning check against the code that applies locally..

Plumbing Cost

Cost a plumbing job from burdened labour, materials and the access the work actually requires..

Plumbing Labour

Work out what an hour of plumber time costs once burden, vehicle and unsold hours are counted..

Plumbing Markup

Apply a markup to job cost and see the margin it actually returns..

Pipe Size

Check supply pipe size against demand, pressure available and the length the water has to travel..

Water Flow

Check delivered flow at a fixture against what the supply and the pipe run can actually provide..

GPM

Check flow rate against fixture demand and the capacity of the pipe serving it..

Water Pressure

Check pressure at a fixture against what the supply provides once height and pipe run are accounted for..

Water Heater Size

Match water heater capacity to the household's peak hour, with recovery counted alongside storage..

Tankless Size

Size a tankless unit from temperature rise and simultaneous flow, which is where most undersizing happens..

Pipe Slope

Work out fall across a drainage run, and check it against the slope the pipe size actually needs..

Plumbing Pricing

Set a price from full job cost and the margin you intend, rather than from a markup on materials..

Plumbing Hourly Rate

Work backwards from the income you need and the hours you can sell to the hourly rate that has to be charged..

Plumbing Repair Cost

Price a water heater replacement including the code items a swap frequently triggers..

Plumbing Repair Cost

Put a figure on what a leak costs in wasted water over time, as evidence for fixing it now..

Plumbing Repair Cost

Total material cost for a job including the fittings, consumables and waste that estimates usually miss..

Plumbing Net Profit

Model the business across a period: revenue by work type, direct costs, overhead and what remains..

Plumbing Repair Revenue

Project revenue from capacity, average ticket and the mix between service and installation..

Plumbing Break-Even

Find the revenue or job volume needed each month before the business starts making money..

Plumbing Overhead

Total what the business costs to run before a single job, and see it as a share of revenue..

Plumbing Overhead

Convert total overhead into a per billable hour figure so it can be recovered in pricing..

Plumbing Payroll

Work out total payroll cost for a plumber or a team, including everything that sits on top of the wage..

Plumbing Productivity

Measure what a plumber produces in sold hours and completed jobs against what they cost..

Plumbing Productivity

Work out what share of paid plumber hours is actually sold, which is where service businesses lose money quietly..

Plumbing Acquisition Cost

Work out what winning one customer costs and whether the first job covers it..

Plumbing Customer Value

Work out what a customer returns across the whole relationship rather than on the first job..

Plumbing Lead Value

Work out what one lead is worth in gross profit and the maximum you can afford to pay for one..

Plumbing Close Rate

Measure what share of quoted work converts, and what a few points would be worth..

Plumbing Conversion Rate

See what share of enquiries become booked jobs, stage by stage..

Plumbing Average Ticket

Work out average ticket by job type and see what moves it beyond raising prices..

Revenue Per Tech

Work out revenue per plumber and what it implies about capacity and pricing..

Plumbing Recurring Revenue

Project recurring revenue from an agreement book, including renewal and the work visits generate..

Plumbing Repair Revenue

Project revenue from maintenance visits and the work those visits surface..

Plumbing Repair Revenue

Project repair revenue from call volume, approval rate and average repair value..

Plumbing Repair Revenue

Project installation revenue from leads, close rate, average job value and crew capacity..

Plumbing Markup

Price parts and fittings so sourcing, stocking and warranty are recovered rather than applying one percentage..

Plumbing Markup

Check what your billed labour rate recovers against what an hour genuinely costs..

Plumbing Gross Profit

Work out gross profit on a job or a period, with direct costs defined consistently..

Plumbing Net Profit

Work out what is left once every cost, direct and overhead, has been taken out..

Plumbing Cash Flow

Track money in against money out, which is a different question from whether the business is profitable..

Plumbing Productivity

See how much of the day reaches an invoice once travel, gaps and return trips are counted..

Plumbing Productivity

Work out how much of the working day is spent driving and what that costs across a year..

Plumbing Gross Profit

See what a single service call returns once the trip, the diagnosis and the van are counted against it..

Plumbing Recurring Revenue

Model the recurring portion of the business and what it is worth against one-off work..

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