Rent vs Buy Equipment Calculator
The rent versus buy equipment calculator compares the full cost of hiring an item for a defined number of days with the net cost of purchasing it.
Run — free
Enter the daily rental rate, purchase price, and how long you expect to use the equipment. You can also include delivery or setup fees and an expected resale value. The result identifies the cheaper option, quantifies the savings, and shows the usage point where cumulative rental expense reaches the effective buying cost.
Build a fair cost comparison
A useful rent-versus-buy decision needs more than a daily rate and a sticker price. Start with the number of calendar days the equipment will be required, including weekends or idle days if the rental company charges for them. Add the quoted rental rate and any unavoidable one-time rental fees, such as delivery, collection, cleaning, insurance administration, or account charges. On the buying side, use the actual purchase price plus costs that are necessary to put the item into service. These may include freight, setup, initial inspection, or sales tax when it is not already included. Enter every value in the same currency; the calculator intentionally does not perform currency conversion. If the equipment can realistically be sold after the job, include a conservative resale value. The tool subtracts that recovery from the purchase outlay. Using complete and comparable figures prevents a low headline rate from hiding fees and prevents the purchase option from being overstated when the asset retains meaningful value.
Understand the result and break-even day
The rental total equals the daily rental rate multiplied by the specified days, plus one-time rental fees. The buying total equals the purchase price plus purchase fees, less expected resale value. The recommendation is rent when the rental total is lower, buy when the buying total is lower, and equal when the two totals match exactly. Savings is the absolute difference between those totals, so it tells you the size of the cost advantage without requiring you to subtract the figures yourself. The break-even value answers a slightly different question: how many rental days would accumulate the same cost as buying, after accounting for fixed rental fees. A fractional result is useful because it shows where the crossover lies between whole billing days. If the daily rental rate is zero, no finite break-even value exists and that optional field is omitted. A break-even value of zero means the fixed rental fees already equal or exceed the net buying cost before any daily charge is added.
Use assumptions that match the decision
Treat the output as a transparent cost scenario, not a forecast of every operational consequence. Choose the planned holding period carefully: a one-week project and repeated use across a year can produce opposite recommendations for the same machine. For uncertain schedules, run several cases with short, expected, and delayed completion dates. Be cautious with resale value, since condition, market demand, transport, and selling fees can reduce what is actually recovered. Likewise, add only costs that differ between the alternatives. Fuel, operators, and consumables often apply whether the item is rented or owned, so including them on only one side would distort the comparison. Maintenance, storage, financing, downtime risk, and tax treatment are not modeled as separate fields; where they materially differ, incorporate a reasonable estimate into the relevant one-time fees or analyze them separately. The calculator is most valuable when its assumptions are documented alongside a quote, allowing a manager, contractor, or property team to review exactly why one choice appears cheaper.
What you can do with it
Price a short construction job
Compare a multi-day excavator or lift rental quote with purchasing used equipment and reselling it after the project.
Plan recurring property maintenance
Test whether repeated seasonal rentals of landscaping or cleaning equipment cost more than owning the item.
Review an event equipment quote
Include delivery and collection charges when comparing rented generators, barriers, lighting, or staging with a purchase.
FAQ
What does the calculator cost to use through the API?
Each API request costs $0.002. The browser version can run the same deterministic calculation locally.
How is total rental cost calculated?
It multiplies the daily rental rate by the number of days and then adds the one-time rental fees.
How does resale value affect buying cost?
Expected resale value is subtracted from the purchase price and purchase fees to estimate the net cost of ownership for this comparison.
Does the calculator include maintenance or financing?
It does not model them separately. Add relevant estimates to purchase fees when appropriate, or evaluate those costs in a separate scenario analysis.
What does break-even days mean?
It is the number of rental days at which rental charges plus rental fees equal the net buying cost.
For developers — API access
Everything on this page is available programmatically. This section is for teams who want to wire it into their own systems; everyone else can just use the tool above.
API endpoint
Prefer to automate it? One authenticated POST creates the task; the result comes back by webhook or a signed link. The same capability also runs here on the web, by email and from Telegram — and soon from our app too.
Call it from your stack
curl -X POST https://api.kit.forhosting.com/realestate/rent-vs-buy-equipment \
-H "Authorization: Bearer $KIT_KEY" \
-H "Content-Type: application/json" \
-d '{"days":12,"rental_rate_per_day":85,"purchase_price":1200}'const res = await fetch("https://api.kit.forhosting.com/realestate/rent-vs-buy-equipment", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.KIT_KEY}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
"days": 12,
"rental_rate_per_day": 85,
"purchase_price": 1200
})
});
const { task_id } = await res.json();import os, requests
res = requests.post(
"https://api.kit.forhosting.com/realestate/rent-vs-buy-equipment",
headers={"Authorization": f"Bearer {os.environ['KIT_KEY']}"},
json={
"days": 12,
"rental_rate_per_day": 85,
"purchase_price": 1200
},
)
task_id = res.json()["task_id"]<?php
$res = file_get_contents("https://api.kit.forhosting.com/realestate/rent-vs-buy-equipment", false, stream_context_create([
"http" => [
"method" => "POST",
"header" => "Authorization: Bearer " . getenv("KIT_KEY") . "\r\nContent-Type: application/json",
"content" => '{"days":12,"rental_rate_per_day":85,"purchase_price":1200}',
],
]));
$task = json_decode($res, true);body := bytes.NewBufferString(`{"days":12,"rental_rate_per_day":85,"purchase_price":1200}`)
req, _ := http.NewRequest("POST", "https://api.kit.forhosting.com/realestate/rent-vs-buy-equipment", body)
req.Header.Set("Authorization", "Bearer "+os.Getenv("KIT_KEY"))
req.Header.Set("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)Example request
{
"days": 12,
"rental_rate_per_day": 85,
"purchase_price": 1200
}Example response
{
"task_id": "tsk_a1b2c3d4e5f6a1b2c3d4e5f6",
"type": "realestate.rent_vs_buy_equipment",
"status": "queued",
"_links": {
"result": "/tasks/tsk_…/result"
}
}The API is asynchronous: the call returns a task_id immediately and the result arrives by webhook. Polling is capped at 1 req/s per task.
Pricing
Published price — no tokens, no invented credits. A failed task is never charged.
Errors
| HTTP | Code | Meaning |
|---|---|---|
401 | unauthorized | Missing or invalid API key. |
402 | insufficient_balance | Your balance doesn't cover the task price. |
404 | unknown_type | That task type doesn't exist. |
429 | rate_limited | Too many requests. Use the webhook instead of polling. |