When is it cheaper to rent a Kobelco SK55-7 by the week than by the day?

From day 4. 4 days at the $350 day rate would be $1,400, but the weekly rate caps it at $1,300.

When is it cheaper to rent a Kobelco SK55-7 on the 28-day rate?

From day 17. At that point the week-and-day composition reaches the $3,400 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.

Kobelco SK55-7

See the listing →

Zachary Grivner · Excavators - Mini

Day: $350
Week: $1,300
28 days: $3,400

Daily stops winning on

day 4

4 days at the day rate would be $1,400. On the week rate it is $1,300.

Weekly stops winning on

day 17

17 days at the day rate would be $5,950. On the 28-day rate it is $3,400.

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 Kobelco SK55-7, days 1 to 35
Days	At the day rate	On the ladder	Difference	Rate in play
1	$350	$350	—	day
2	$700	$700	—	day
3	$1,050	$1,050	—	day
4	$1,400	$1,300	you save $100	week
5	$1,750	$1,300	you save $450	week
6	$2,100	$1,300	you save $800	week
7	$2,450	$1,300	you save $1,150	week
8	$2,800	$1,650	you save $1,150	week
9	$3,150	$2,000	you save $1,150	week
10	$3,500	$2,350	you save $1,150	week
11	$3,850	$2,600	you save $1,250	week
12	$4,200	$2,600	you save $1,600	week
13	$4,550	$2,600	you save $1,950	week
14	$4,900	$2,600	you save $2,300	week
15	$5,250	$2,950	you save $2,300	week
16	$5,600	$3,300	you save $2,300	week
17	$5,950	$3,400	you save $2,550	28-day
18	$6,300	$3,400	you save $2,900	28-day
19	$6,650	$3,400	you save $3,250	28-day
20	$7,000	$3,400	you save $3,600	28-day
21	$7,350	$3,400	you save $3,950	28-day
22	$7,700	$3,400	you save $4,300	28-day
23	$8,050	$3,400	you save $4,650	28-day
24	$8,400	$3,400	you save $5,000	28-day
25	$8,750	$3,400	you save $5,350	28-day
26	$9,100	$3,400	you save $5,700	28-day
27	$9,450	$3,400	you save $6,050	28-day
28	$9,800	$3,400	you save $6,400	28-day
29	$10,150	$3,750	you save $6,400	day
30	$10,500	$4,100	you save $6,400	day
31	$10,850	$4,450	you save $6,400	day
32	$11,200	$4,700	you save $6,500	week
33	$11,550	$4,700	you save $6,850	week
34	$11,900	$4,700	you save $7,200	week
35	$12,250	$4,700	you save $7,550	week

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

What checkout will quote you

Our pricing service couldn’t be reached just now, so there’s no checkout figure to show. The rate table above is unaffected — it’s the operator’s published card.

Pick a listing

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.