When is it cheaper to rent a 1000 Gallon Water Trailer by the week than by the day?

From day 4. 4 days at the $124 day rate would be $496, but the weekly rate caps it at $372.

When is it cheaper to rent a 1000 Gallon Water Trailer on the 28-day rate?

From day 17. At that point the week-and-day composition reaches the $1,116 28-day rate, and the price stops climbing for the rest of the cycle.

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.

1000 Gallon Water Trailer

See the listing →

Simon Equipment Rentals · Tanker

Day: $124
Week: $372
28 days: $1,116

Daily stops winning on

day 4

4 days at the day rate would be $496. On the week rate it is $372.

Weekly stops winning on

day 17

17 days at the day rate would be $2,108. On the 28-day rate it is $1,116.

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 1000 Gallon Water Trailer, days 1 to 35
Days	At the day rate	On the ladder	Difference	Rate in play
1	$124	$124	—	day
2	$248	$248	—	day
3	$372	$372	—	day
4	$496	$372	you save $124	week
5	$620	$372	you save $248	week
6	$744	$372	you save $372	week
7	$868	$372	you save $496	week
8	$992	$496	you save $496	week
9	$1,116	$620	you save $496	week
10	$1,240	$744	you save $496	week
11	$1,364	$744	you save $620	week
12	$1,488	$744	you save $744	week
13	$1,612	$744	you save $868	week
14	$1,736	$744	you save $992	week
15	$1,860	$868	you save $992	week
16	$1,984	$992	you save $992	week
17	$2,108	$1,116	you save $992	28-day
18	$2,232	$1,116	you save $1,116	28-day
19	$2,356	$1,116	you save $1,240	28-day
20	$2,480	$1,116	you save $1,364	28-day
21	$2,604	$1,116	you save $1,488	28-day
22	$2,728	$1,116	you save $1,612	28-day
23	$2,852	$1,116	you save $1,736	28-day
24	$2,976	$1,116	you save $1,860	28-day
25	$3,100	$1,116	you save $1,984	28-day
26	$3,224	$1,116	you save $2,108	28-day
27	$3,348	$1,116	you save $2,232	28-day
28	$3,472	$1,116	you save $2,356	28-day
29	$3,596	$1,240	you save $2,356	day
30	$3,720	$1,364	you save $2,356	day
31	$3,844	$1,488	you save $2,356	day
32	$3,968	$1,488	you save $2,480	week
33	$4,092	$1,488	you save $2,604	week
34	$4,216	$1,488	you save $2,728	week
35	$4,340	$1,488	you save $2,852	week

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

What checkout will quote you

Rental · 17 days: $1,116
Rental protection (RPP): $167.40
Service fee: $111.60
Estimated total: $1,395

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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.