Break-even duration

Equipment rents on three rates — a day rate, a week rate and a 28-day rate — and the cheapest one changes as the job runs long. This finds the two days where it changes, on a real listing’s real published rates.

Simpson 3600 PSI Pressure Washer

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Andy Ceh · Pressure Washers

Day
$49
Week
$149
28 days
$549

Daily stops winning on

day 4

4 days at the day rate would be $196. On the week rate it is $149.

Weekly stops winning on

day 24

24 days at the day rate would be $1,176. On the 28-day rate it is $549.

The working

Whole weeks bill at the week rate; the leftover days bill at the day rate but never add up to more than one extra week; and a whole 28-day cycle never costs more than the 28-day rate. That is the rule, applied one day at a time.

Rental price by duration for Simpson 3600 PSI Pressure Washer, days 1 to 35
DaysAt the day rateOn the ladderDifferenceRate in play
1$49$49—day
2$98$98—day
3$147$147—day
4$196$149you save $47week
5$245$149you save $96week
6$294$149you save $145week
7$343$149you save $194week
8$392$198you save $194week
9$441$247you save $194week
10$490$296you save $194week
11$539$298you save $241week
12$588$298you save $290week
13$637$298you save $339week
14$686$298you save $388week
15$735$347you save $388week
16$784$396you save $388week
17$833$445you save $388week
18$882$447you save $435week
19$931$447you save $484week
20$980$447you save $533week
21$1,029$447you save $582week
22$1,078$496you save $582week
23$1,127$545you save $582week
24$1,176$549you save $62728-day
25$1,225$549you save $67628-day
26$1,274$549you save $72528-day
27$1,323$549you save $77428-day
28$1,372$549you save $82328-day
29$1,421$598you save $823day
30$1,470$647you save $823day
31$1,519$696you save $823day
32$1,568$698you save $870week
33$1,617$698you save $919week
34$1,666$698you save $968week
35$1,715$698you save $1,017week

Rental rates only. Protection and the marketplace service fee are added on top — see the checkout figure below.

What checkout will quote you

Rental · 24 days
$549
Rental protection (RPP)
$82.35
Service fee
$54.90
Estimated total
$686.25

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The numbers come from one operator’s published rates, so the tool needs to know whose.

Where these numbers come from

The rates are the operator’s own, read live from their listing. The arithmetic is the same best-price billing engine that produces 2Quip invoices — not a second copy written for this page — run on the industry-standard terms: a 28-day cycle, whole weeks at the week rate, leftover days at the day rate capped at one more week.

An operator can agree different terms on an individual rental, and a long rental bills per 28-day cycle rather than in one lump. So treat this as what the rate card says, and the operator’s quote as what you are agreeing to.