Job Bid Calculator: Build a Bid That Actually Makes Money

Procured Team
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You walk the job, write up a number, and send it over. The customer says yes. Great. But months later you look at the books and the profit is just not there. The work got done, the bills got paid, and somehow you barely came out ahead.

This happens to good contractors all the time. The problem is not the work. It is the bid. Most bids cover materials and a little labor, then stop. They leave out the true cost of your crew. They forget overhead, which is every bill you pay just to keep the doors open. And they guess at profit instead of pricing for it.

A bid that makes money has five parts: materials, labor, other costs, overhead, and the profit margin you want to keep. Miss one and you are working for free without knowing it. The good news is you do not need a finance degree to fix this. You just price every piece on purpose. The calculator below does the math for you. Plug in your numbers and see your real bid price, your profit, and your total cost.

The five parts of a bid that makes money

A real bid is not one number. It is five numbers stacked on top of each other. Here is each one, in plain terms.

  • Materials. Everything you buy for the job. Lumber, wire, pipe, paint, fixtures, fittings. Add it all up.
  • Labor. Your crew's hours times their true cost per hour. More on the word "true" in a second.
  • Other costs. Permits, equipment rental, dump fees, and any subs you hire.
  • Overhead. The bills you pay even when no job is running. Insurance, the truck, software, your phone.
  • Profit margin. The share of the final price you actually keep after everything above is paid.

You would never skip materials. But contractors skip the last two all the time. They bid materials and labor, add a little on top, and call it done. That little bit has to cover overhead AND profit, and it almost never does. That is how you stay busy all year and end up with nothing.

Why your labor cost is bigger than the wage

Here is a mistake that quietly drains profit on every job. You pay a worker $30 an hour, so you bid $30 an hour. But $30 is not what that worker costs you.

On top of the wage you pay payroll taxes, workers comp insurance, and any benefits. That can add 25% to 40% more. So a worker you pay $30 an hour really costs you around $40 an hour once you add it all in. That is why the calculator asks for your labor rate per hour, not just the wage. Use the true number.

Look at the default in the tool. It runs 16 hours at $45 an hour, which is $720 of labor. Bid the wage alone at $33 an hour and you would only count $528. That is $192 of real cost vanishing on one small job. Do that across a year and it is thousands. Always bid the loaded rate.

Overhead is the silent profit killer

This is the part most contractors never price, and it is the part that sinks them.

Overhead is every cost not tied to one single job. Your general liability insurance. The truck and the fuel. Your phone, software, accountant, and the rent on a yard or shop. The hours you spend at night writing quotes. None of it shows up on a job ticket, but you pay it every month no matter what.

If you do not build overhead into each bid, you pay those bills out of your own pocket. The job looks profitable on paper, but the real money goes to keep the business alive. That is why overhead is silent. You do not see it eat your profit until the year is over.

The calculator handles this with an overhead percent. Take your yearly overhead costs and figure out what share of your job costs they add up to. For many small shops that lands around 10% to 15%. In the tool, a 10% overhead on a job with $2,520 in direct costs adds $252 before you take a single dollar of profit. Set that number once and let the bid carry it. A solid job estimate template makes it easy to track these costs so your overhead percent stays honest.

Markup and margin are not the same thing

This is the trickiest part, so slow down here. It is also why the calculator prices by margin, not markup.

Markup is the amount you add to your cost. Margin is the share of the final price you keep. They are not the same number, and mixing them up costs contractors real money.

Say a job costs you $1,000 and you want to keep $300. If you think in markup, you add 30% and charge $1,300. But $300 out of $1,300 is only a 23% margin. You wanted 30% of the sale, and you came up short.

To actually keep a 30% margin on a $1,000 cost, you have to charge about $1,429. That is a 43% markup, not 30%. See the gap? The margin you want is always a bigger markup. This is why the tool asks for the profit margin you want to keep, then works the price backward for you. Set 20% margin, and it makes sure 20% of the final price is yours. For a plain breakdown, read the difference between markup and margin. It saves you from underpricing on guesswork.

How to use the job bid calculator

The tool at the top of this page builds the full bid for you. Here is how to get a real number for your next job.

  1. Enter your material cost. Add up everything you will buy.
  2. Enter your labor hours. How long the crew will be on the job.
  3. Enter your labor rate per hour. Use the true, loaded rate with taxes and insurance, not just the wage.
  4. Enter your other costs. Permits, equipment rental, dump fees, subs.
  5. Set your overhead percent. The share of direct costs that covers your monthly bills.
  6. Set your profit margin. The percent of the final price you want to keep.

Then read the results. You will see your bid price, your profit in dollars, your total cost, and your labor cost on its own. Change one input and watch the price move. When you see your real numbers move in real time, you stop pricing by gut feeling and start pricing by the numbers.

A real example, start to finish

Let me walk through the default numbers in the job bid calculator so you can see every piece.

  • Materials: $1,500
  • Labor: 16 hours at $45 an hour, which is $720
  • Other costs: $300
  • That gives direct costs of $2,520.
  • Overhead at 10% adds $252, so total cost is $2,772.
  • You want a 20% profit margin.

To keep 20% of the final price, you charge $2,772 divided by 0.80, which is $3,465. Your profit is $693. That is real money you keep after every bill, including overhead, is paid.

Now watch what happens if you forget overhead and bid only the direct costs. You price off $2,520 instead of $2,772. At the same 20% margin you charge $3,150 and think you made $630. But $252 of that has to go to overhead. Your real profit is $378, not $630. You gave away $315 on one small job because you skipped one line.

Win bids without underpricing

The fear behind every low bid is the same. You think a higher price loses the job, so you shave the number to be safe.

Here is the truth that takes years to learn. If you win every bid you send, your prices are too low. Losing some jobs on price is normal and healthy. It means you are not the cheapest, and being the cheapest is a trap. The cheapest contractor works the most and keeps the least.

You do not win by being lowest. You win by being clear, fast, and trustworthy. Send a detailed bid before your competitor calls back. Show the customer exactly what they get. Price for the full cost plus a fair margin, and let the bargain hunters go elsewhere. A strong sales proposal template helps you look professional and close more of the right jobs without dropping your price.

Common bidding mistakes that cost you money

Bidding the wage instead of the loaded labor rate. Taxes and insurance add 25% to 40%. Bid the wage alone and your profit is gone before you start.

Skipping overhead. This is the big one. If your bid does not carry your monthly bills, you are paying them yourself.

Confusing markup with margin. A 30% markup is not a 30% margin. Always price for the margin you want to keep.

Leaving out small costs. Dump runs, fuel, small tools, and quoting time all add up. Build them in.

Pricing every job the same. A messy, high-risk job should cost more than an easy one. Adjust your margin for the work.

Let Procured do this on every quote

Once you know how to build a bid that makes money, the next problem is doing it fast on every single job, without a spreadsheet you lose track of.

That is where Procured helps. Procured is built for trades businesses, and it bakes your pricing right into your quotes. You set your labor rate, overhead, and target margin once, and every quote uses them automatically. You can build a bid on your phone, send a clean quote, get it signed on the spot, and turn it into an invoice when the job is done. No more pricing by hand at the kitchen table, and no more underbidding because you were in a hurry.

The calculator on this page shows the right price. Procured makes sure you charge it on every job.

The bottom line

A bid that makes money is not about charging more for its own sake. It is about charging enough to cover every real cost and still pay yourself for the skill you bring. Price your materials, your true labor, your other costs, your overhead, and the margin you want to keep. Miss one and you work for free.

Use the job bid calculator at the top of this page on your next job. Build the full bid, watch your real profit, and price so the money is still there at the end of the month. Then let Procured do it for you on every quote after that.

Ready to stop leaving money on the table? Book a demo and see how Procured prices your jobs for you.

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Frequently Asked Questions

What is a good profit margin for a contractor? 

It depends on your trade and overhead, but many shops aim for 15% to 30% net margin after overhead is paid. Run your real numbers in the job bid calculator before you settle on a figure.

Should I show the customer my overhead and margin? 

No. Customers care about the total price and the value, not your math. Present one clear, fair price.

What if my bid is higher than the other guy's? 

That is fine if your work and service are better. Competing only on price is a race to the bottom.

How do I know my overhead percent? 

Add up your yearly costs that are not tied to one job, like insurance, the truck, and software. Divide that by your yearly job costs.

Should I use the same margin on every job? 

No. A risky, messy, or rushed job should carry a higher margin than an easy one. Set a base margin that covers your business, then raise it for jobs that bring more risk or hassle.

About the Author

Procured Team

The Procured Team builds field service software for contractors and trade businesses. Our goal is to make everyday work easier, from sending quotes and scheduling jobs to tracking payments and managing crews.