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Free calculator · Pressure washing

Pressure washing pricing calculator

Price one job from square feet, your production rate and your bleach mix. The calculator solves the price that keeps your target margin after card fees, applies your minimum charge, rounds up, and splits the total into a deposit and a balance.

It runs in this page. Nothing you type is sent or saved.

Surfaces

One row per surface. Your production rate turns square feet into hours; the mix strength is the bleach strength in what you spray.

3 of 8 surfaces

Chemicals
Crew, equipment and travel
Including you.
Count your own time too.
Fuel, pump and engine wear.
Paid for everyone on the crew.
Dump fees, water, permits.
Your pricing
Profit as a share of the price.
Your own rate if your state taxes it.
0 for cash or check.
Twice over if deposit and balance are separate card payments.

Puts back the example job.

Your price

$880.00

Solved for your margin: $877.91, rounded up to the nearest $5. Minimum charge not needed.

Deposit when booked
$220.00
Balance on completion
$660.00
Customer total
$880.00
Job cost
$500.10
Sales tax
$0.00
Card fees if paid by card
$26.70
Your profit
$353.20

40.1% of the price, a 70.6% markup on cost. Meets your 40% margin.

The price, split by surface

  1. Driveway (concrete) 800 sq ft$235.36
  2. House siding (soft wash) 2,200 sq ft$425.00
  3. Deck (wood) 300 sq ft$219.64

Lines add up to $880.00, the price.

What the job costs you
Hours washing
5.85
Paid crew hours
15.37
Chemicals
$16.94
Labor
$384.17
Equipment
$82.20
Travel, round trip
$16.80
Other job costs
$0.00
Bleach to bring
1.9 gal
Total mix
23.2 gal

No price yet

Go to the field

Keep your rates, print a quote: the spreadsheet

The spreadsheet · US$15

Keep your rates. Print the quote.

The US$15 spreadsheet keeps your own rates in a file you save, and turns each price into a printable customer quote with your business details, one line per surface, sales tax, deposit and balance. It works in Google Sheets and LibreOffice Calc (Excel and Numbers not tested) and comes with a 2-page PDF guide.

Same rules as this page, up to eight surfaces per job. One .xlsx file, no macros.

Buy the spreadsheet: US$15

Sold through Link (Stripe); 14-day refund. CyberNative AI LLC is an AI-run company: AI agents built the spreadsheet and this page.

How the math works

Each step below is what the calculator does, with the default job worked through: an 800 sq ft driveway, 2,200 sq ft of siding and a 300 sq ft deck at a 1% mix, a crew of two at $25 an hour, a 12-mile drive and a 40% margin.

  1. Hours washing

    hours washing = sq ft ÷ sq ft per hour, added up over the surfaces

    800 ÷ 500 + 2,200 ÷ 800 + 300 ÷ 200 = 1.60 + 2.75 + 1.50 = 5.85 hours

  2. Mix and bleach

    mix gallons = sq ft ÷ 1,000 × mix gallons per 1,000 sq ft
    bleach gallons = mix gallons × mix strength ÷ strength of the bleach you buy

    3.2 + 17.6 + 2.4 = 23.2 gallons of mix; 23.2 × 1% ÷ 12.5% = 1.856 gallons of bleach, so bring 1.9

  3. Chemicals

    chemicals = bleach gallons × bleach price + mix gallons × surfactant per gallon

    1.856 × $6 + 23.2 × $0.25 = $16.94

  4. Labor

    paid crew hours = (hours washing + setup + 2 × drive minutes ÷ 60) × people on the crew
    labor = paid crew hours × pay per hour

    (5.85 + 1 + 50 ÷ 60) × 2 = 15.37 hours × $25 = $384.17

  5. Equipment and travel

    equipment = (hours washing + setup) × equipment cost per hour
    travel = 2 × miles one way × cost per mile

    6.85 × $12 = $82.20; 2 × 12 × $0.70 = $16.80

  6. Job cost

    job cost = chemicals + labor + equipment + travel + other costs, to the cent

    $16.94 + $384.17 + $82.20 + $16.80 + $0 = $500.10

  7. Price for your margin, after card fees

    price = (job cost + fixed card fee + $0.01) ÷ (1 − margin − card fee % × (1 + sales tax %))

    ($500.10 + $0.30 + $0.01) ÷ (1 − 40% − 3% × 1) = $500.41 ÷ 0.57 = $877.91

    Why this line: you want profit to be your margin times the price. Profit is the price minus the job cost and the card fee, and the card fee is a percent of everything the customer pays, sales tax included, plus a fixed part. Solve that for the price and you get the line above. The extra cent covers the rounding of tax and fees, so the profit never lands a cent under your target.

  8. Minimum charge and rounding

    your price = the larger of that price and your minimum charge, rounded up to your step

    $877.91 is above the $175 minimum; rounded up to the nearest $5 it is $880.00. Rounding only ever goes up, so the margin can only grow.

  9. Card fee and profit

    card fee = card fee % × customer total + fixed part
    profit = price − job cost − card fee

    3% × $880.00 + $0.30 = $26.70; $880.00 − $500.10 − $26.70 = $353.20, which is 40.1% of the price and a 70.6% markup on cost

  10. Deposit and balance

    deposit = customer total × deposit %, to the cent
    balance = customer total − deposit

    $880.00 × 25% = $220.00 now and $660.00 on completion

  11. Per-surface lines that add up

    each surface’s line = price × its share of labor, equipment and chemicals, to the cent; the last line takes what is left

    $235.36 + $425.00 + $219.64 = $880.00. Rounding every line on its own can miss the total by a cent; the last line takes the remainder, so the lines always add up to the price.

Margin is not markup

Margin is profit as a share of the price; markup is profit as a share of cost. Adding 40% to your cost gives you a 28.6% margin, not 40%. This calculator solves for the margin you ask for and shows the markup next to it.