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.

21in Craftsman EZ walk self propelled mower

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Joel Valls Sr · Compressors - Air Manifolds

Day
$85
Week
$320
28 days
$1,050

Daily stops winning on

day 4

4 days at the day rate would be $340. On the week rate it is $320.

Weekly stops winning on

day 23

23 days at the day rate would be $1,955. On the 28-day rate it is $1,050.

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 21in Craftsman EZ walk self propelled mower, days 1 to 35
DaysAt the day rateOn the ladderDifferenceRate in play
1$85$85—day
2$170$170—day
3$255$255—day
4$340$320you save $20week
5$425$320you save $105week
6$510$320you save $190week
7$595$320you save $275week
8$680$405you save $275week
9$765$490you save $275week
10$850$575you save $275week
11$935$640you save $295week
12$1,020$640you save $380week
13$1,105$640you save $465week
14$1,190$640you save $550week
15$1,275$725you save $550week
16$1,360$810you save $550week
17$1,445$895you save $550week
18$1,530$960you save $570week
19$1,615$960you save $655week
20$1,700$960you save $740week
21$1,785$960you save $825week
22$1,870$1,045you save $825week
23$1,955$1,050you save $90528-day
24$2,040$1,050you save $99028-day
25$2,125$1,050you save $1,07528-day
26$2,210$1,050you save $1,16028-day
27$2,295$1,050you save $1,24528-day
28$2,380$1,050you save $1,33028-day
29$2,465$1,135you save $1,330day
30$2,550$1,220you save $1,330day
31$2,635$1,305you save $1,330day
32$2,720$1,370you save $1,350week
33$2,805$1,370you save $1,435week
34$2,890$1,370you save $1,520week
35$2,975$1,370you save $1,605week

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

What checkout will quote you

Rental · 23 days
$1,050
Rental protection (RPP)
$157.50
Service fee
$105
Estimated total
$1,312.50

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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.