CONSTRUKTR emblem, a steel shield with a blue circuit patternFree tool

Busy all week, but did that job actually make you money?

For example: The job felt busy all week, and you cannot tell if it made any money.

30 days free, no credit card required

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What it costs

You find out at tax time, when it is too late to change the price.

What owners do today

A guess, or a spreadsheet you build once and never update.

Work out what a job made

What you charged

What the customer pays, before sales tax.

What the job cost you

Fill in the ones that apply and leave the rest blank.

Every person's hours on the job, added up.

What an hour of labor costs you: pay, plus payroll taxes and insurance if you know them.

Permits, dump fees, rentals, fuel.

Optional

Rent, trucks, insurance, office and software, split across your jobs. Leave blank if you are not sure.

Shows the price that would keep it.

How it is worked out

  1. Labor: the hours on the job times what an hour of labor costs you.
  2. The job's own costs: labor, materials, subcontractors and other costs added up.
  3. Profit before overhead: the price minus the job's own costs.
  4. Margin: that profit divided by the price. Markup: that profit divided by the job's own costs.
  5. Profit after overhead: the profit before overhead minus the overhead share you typed.
  6. The price for the margin you want: every cost you typed, overhead included, divided by one minus that margin, rounded up to the cent.

Money is shown to the nearest cent. This calculator adds no figure that is not worked out from what you typed, and it never shows another business's margin.

With CONSTRUKTR

Job costing Pro and up

  1. Log hours and materials on the job as the work happens.

  2. See labor, materials and profit on the job.

    app.construktr.ai/jobs
    The tabs and the Job Details card of a job record on the CONSTRUKTR web dashboard for the demo company: tabs for overview, tasks and photos with a More menu, and the job details below: replaced 120 linear feet of damaged gutters and added downspout extensions for drainage away from the foundation, priority Normal, status Completed, scheduled for Saturday, September 12, 2026 at 9:00 AM, about 3 hours 30 minutes, source Internal.
    Full size Scroll to see the whole screen
    Job record: the whole job in one place

Check it yourself

Questions owners ask

Where do the numbers I type go?

They stay in your browser; the arithmetic runs on your device. Nothing is sent to us unless you fill in the optional form under the result. That form sends the first name, business email and trade you give it, a short summary of your result, and which page and link brought you here.

What margin should I be at?

This calculator does not say. It shows only what your own numbers work out to and never compares you with another business. Put the margin you want in the last box to see the price that would keep it.

What is the difference between margin and markup?

Margin is the profit as a share of the price. Markup is the profit as a share of the costs. A job that cost $1,000 and sold for $1,500 has a 33.3% margin and a 50% markup.

Should I count overhead?

Leave it out to see what the job made over its own costs. Put in your share of rent, trucks, insurance and office for the job to see what is left after those too.

Can CONSTRUKTR show what each job made?

On Pro and up, job costing shows labor, materials and profit on every job: labor from time entries, materials from expenses and revenue from invoices.

See it on your own jobs.

30 days free, no credit card required

Paid plans renew automatically. 100-day money-back guarantee on your first paid charge. Request a refund at support@construktr.ai. Cancel any time; access continues to the end of the paid period.