Costs and deposits

Km limits and excess km charges: how to work out what a rental really costs

A simple formula for the true cost of a rental with a km limit and excess charge, with worked examples and how to compare it with an unlimited plan.

By CarBikeRent Editorial Team. Published 4 Nov 2026. Updated 4 Nov 2026. Read our editorial standards.

Quick answer

Subtract the included kilometres from your planned distance, then multiply what is left by the excess rate and add that to the rent. Add fuel, and you have the true cost. A cheap daily rate with a small allowance can cost more than a dearer plan once you travel far enough. The break-even point is the allowance plus the price gap divided by the excess rate.

What the catalogue shows

37 listings from ONN Bikes, Qvki, Royal Brothers.
Cities: Jaipur.
Vehicle types: Scooty.
Listed daily rates: median ₹439, lowest ₹289, from 27 listings.
2 listings of 37 state a deposit.

Listed figures, last checked 4 Nov 2026. They are not quotes.

The formula: three lines of arithmetic

You need four figures from the provider: the rent, the included kilometres, the excess rate per km, and your planned distance. Work it out like this:

Extra km = planned km minus included km (zero if you stay within the allowance)
Excess charge = extra km × excess rate
True cost = rent + excess charge + fuel

A worked example

Example only, with invented numbers: a provider quotes ₹1,000 a day with 120 km included and ₹5 per extra km, and you plan 200 km. Extra km is 80, so the excess charge is ₹400 and the rent plus excess is ₹1,400.

Now add fuel, which most rentals leave out. If the bike does 40 km per litre and petrol costs ₹100 a litre in this example, 200 km uses 5 litres, or ₹500. The true cost is ₹1,900. That is ₹9.50 per km, nearly double what the ₹1,000 headline suggests for this trip.

When an unlimited plan beats a cheaper limited one

To compare two plans, find the distance at which they cost the same. The formula is: break-even km = included km + (price gap ÷ excess rate). If you will travel further than that, the plan with more distance wins.

Example only: Plan A is the ₹1,000 deal above. Plan B is an invented ₹1,300 a day with unlimited km. The gap is ₹300, and ₹300 ÷ ₹5 is 60 km, so break-even is 120 + 60 = 180 km. Below 180 km Plan A is cheaper. Above it, Plan B is.

Invented example: rent plus excess at different distances, before fuel
Distance in a day	Plan A: ₹1,000, 120 km, ₹5 per extra km	Plan B: ₹1,300, unlimited	Cheaper
100 km	₹1,000	₹1,300	Plan A
150 km	₹1,150	₹1,300	Plan A
180 km	₹1,300	₹1,300	Same
200 km	₹1,400	₹1,300	Plan B
300 km	₹1,900	₹1,300	Plan B

How providers actually state a km limit

Allowances are not published in one standard form, so check the unit before comparing. Two styles appear in the catalogue at the last check:

A fixed allowance for one 24-hour window. ONN Bikes listings state free km and an extra km charge, and the allowance differs by model, roughly 109 to 254 km in the listings checked.
An allowance per hour. Royal Brothers listings record a km-per-hour figure, at about 5 to 10 km per hour depending on the model, with a minimum booking of 4 to 24 hours. Its FAQ says each city's tariff page sets the cap and the extra charge.

Turning an hourly allowance into a daily one

Multiply the km per hour by the hours booked. Example only: 6 km per hour over a 24-hour booking gives 144 km. That number depends on how long you book, so a shorter booking may give you less distance for the same trip.

Listings with no allowance shown

Many listings state neither an allowance nor an excess rate. That does not mean the distance is unlimited. Ask, and use the rental listings only as a starting point.

Pooled or daily? The question that changes a multi-day bill

On a rental of several days, ask whether the allowance is pooled across the booking or reset each day. It can matter more than the excess rate itself.

Example only: a three-day rental includes 120 km a day at ₹5 per extra km, and you ride 50 km, 50 km, then 260 km. If the allowance is pooled, you have 360 km to use and 360 km ridden, so there is no excess. If it resets daily, the third day runs 140 km over, which costs ₹700. Same trip, same rate, and a ₹700 difference.

Estimate your distance honestly

The formula is only as good as your estimate, and it is easy to guess too low. Map the route on your phone, then add the trips that never appear on a plan: getting back to your hotel, finding food, wrong turns and detours.

Long day trips are where limits bite. Before a run such as Jaipur to Pushkar or Mumbai to Lonavala on a rented bike, work out the return distance plus a margin, and run it through the formula. For a monthly rental, estimate your weekly commute and multiply. Do not rely on a daily figure.

Costs the formula leaves out

A km limit is only one line of the bill. Ask about these as well, and read what to check at pickup so you can prove the readings.

Fuel: ONN Bikes' Jaipur listing says it is not included and the vehicle must return at the same level. Royal Brothers' FAQ says no refund is given for fuel left over.
Late return: delay charges can apply after a short grace period.
Delivery or pickup fees, if the vehicle comes to you.
Taxes, if the listed rate excludes them.
Tolls and parking on a car.
A refundable deposit, which is not a cost unless deductions are made.

Five questions to send the provider

Send these before you pay, and keep the reply. Then compare real totals, not headline rates, with the listed rates in the price index. The rates further down are the listed scooty figures for Jaipur.

How many km are included, and is that per hour, per day or per booking?
Is the allowance pooled across a multi-day rental?
What is the charge per extra km, including tax?
How is distance measured: the odometer, GPS or the app?
If the plan is called unlimited, is there any fair-use cap?

Frequently asked questions

What does 'free km' mean on a rental listing?

It is the distance included in the rent. It is not a separate gift, and past that distance each extra kilometre is charged. Check whether the allowance applies per hour, per day or to the whole booking.

Does an unlimited km rental always work out cheaper?

No. It only wins if you travel past the break-even distance. For a short city day, a cheaper limited plan usually costs less, so run both through the formula using your own numbers.

Who decides how far I travelled?

Usually the odometer reading at pickup and return, though some providers use app or GPS data. Film the odometer at both ends, so you have your own record if the charge looks wrong.

Can I buy more km during the rental?

It depends on the provider. Some may let you extend or change a plan before you go over, and others just bill the excess at return. Ask in advance, because it may be cheaper than paying the excess rate.

Sources

Keep reading

Vehicle rental deposits: what is normal, what can be deducted and how to get yours back
How vehicle rental deposits work in India: what to expect, how they are held, which deductions are fair, and what to do if a refund is withheld.
Documents you need to rent a bike, scooty or car in India
The documents required to rent a bike or car in India: which licence class covers what, when DigiLocker counts, and what never to leave as security.
Rental vehicle pickup and return checklist: 10 minutes that protect your deposit
A step-by-step pickup and return checklist for a rental bike, scooty or car: what to film, check and get in writing to fight false damage claims.