Existing
Desired
ResetExample values

Tire calculation and/or rim calculation

Tire size
Warning
1: Existing tire / rim
Tire width?
105 - 405 mm
Tire height
25 - 100 %
Tire height?
20 - 55 inch
Tire width
5 - 15 inch
Diameter
5 - 25 inch
Rim width?
3 - 15 inch
Offset
-165 - 165 mm
Spacer
0 - 150 mm
2: Desired tire / rim
Tire width?
105 - 405 mm
Tire height
25 - 100 %
Tire height?
20 - 55 inch
Tire width
5 - 15 inch
Diameter
5 - 25 inch
Rim width?
3 - 15 inch
Offset
-165 - 165 mm
Spacer
0 - 150 mm
1: Enter values
Information
INFORMATION: The ratio of tire width to rim width does not correspond to the standard!
Warning
ATTENTION: Entries (highlighted in red) are out of range! Please correct your entries!

Results

 Existing
 Desired
Tire circumference
?
Rolling circumference
?
Tire height (sidewall)
?
Tire diameter
?
Rim size
?
Rim width
?
Poke (Outer Edge)
?
Inset (Inner Edge)
?
Show results in

Comparison & differences

Circumferential difference
Difference in rolling circumference
?
Speedometer display at real 100 mph or km/h
Speedometer at 100 km/h or mph
?
The following differences also arise:
Difference in ground clearance
?
Change to the outer edge of the rim per side
?
Change to the inner edge of the rim per side
?
Placeholder

Graphic display appears after entering values

The strut illustration is for illustrative purposes only
2: Read the result

Note the difference in rolling circumference:

Rolling circumferences are generally approved in the range +1.5% und -2.5% g. Please check with the responsible inspector beforehand.

Speed deviation outside the norm:

In EU countries, the speedometer may display a maximum of +10 % + 4 km/h and no km/h less than the actual speed driven.
See regulation No 39 of the Economic Commission for Europe of the United Nations (UN/ECE): Point 5.4
Share your calculations

Natsu E No Tunnel Sayonara No Deguchi Full Fixed -

Falling maple leaves, endless train tracks, crimson water reflections "Finale." and "Pre-Romance" by eill

The film follows Kaoru Tono, an introverted high schooler grieving the loss of his sister, and Anzu Hanashiro, a determined transfer student aspiring to be a manga artist. Together, they investigate the "Urashima Tunnel," a local legend said to grant any wish in exchange for years of your life. Visuals & Art: Reviewers from The Guardian Asian Movie Pulse

As the two teens spend the summer investigating the tunnel, a tender romance naturally blossoms between them. The film beautifully details the small, grounding moments of a budding relationship—the shy, stolen glances, and a battered umbrella that becomes a recurring motif for their connection.

When users search for , they typically want one of three things: natsu e no tunnel sayonara no deguchi full

As a bittersweet exploration of the human experience, Natsu e no Tunnel: Sayonara no Deguchi is a film that will stay with you long after the credits roll. It is a powerful reminder that growing up is a difficult and often painful process, but one that is ultimately necessary for growth and transformation.

Studio CLAP (known for Sonny Boy ) delivers a visually stunning experience. The film employs a contrast-heavy aesthetic.

For the best viewing experience, seek out the full movie on official platforms like or Hulu . Support the creators and enjoy the beautiful world of Kaoru and Anzu in all its high-definition glory. If you find yourself captivated by the concept, be sure to read the original light novel to experience the story with all its intended depth and detail. Falling maple leaves, endless train tracks, crimson water

Kaoru, driven by the desperate desire to bring his sister back, begins exploring the tunnel, discovering that it truly works, but it demands sacrifice. 2. Character Dynamics: Kaoru and Anzu

If you’ve ever wished you could trade time for a chance to fix the past, Natsu e no Tunnel, Sayonara no Deguchi

A: He enters at 17, spends 8 years in the tunnel, so mentally he is 25. Anzu ages naturally from 17 to 25. They are the same age. The film beautifully details the small, grounding moments

The anime film adaptation was directed and written by , a director known for his work on Persona 4: The Golden Animation and the Digimon film series. He skillfully condensed the novel's emotional depth into a brisk 83-minute runtime . The animation was produced by CLAP , a studio that had previously handled Pompo: The Cinéphile , and their work is widely praised for its visual beauty, especially in capturing the lush, dreamy atmosphere of a rural Japanese summer.

Anzu appears loud and confident, but she suffers from artist’s block after her best friend and rival, Koudai, publicly humiliated her. She sees the tunnel as material for a masterpiece.

[ Outside World ] ---> Passage of Time: Normal (Days/Months/Years) | v (Time Dilation Boundary) [ Inside Tunnel ] ---> Passage of Time: Drastically Slowed Down * Seconds inside = Hours outside * Hours inside = Years outside

The brilliance of the film lies in how it utilizes its supernatural mechanic. The tunnel represents the ultimate temptation for the grieving: the ability to stop time and dwell in the past. It is a literalization of the phrase "stuck in the past."

Adapted from the award-winning novel by Mei Hachimoku, The Tunnel to Summer, the Exit of Goodbyes is a cinematic anomaly. In a genre often saturated with melodramatic romance and supernatural high school tropes, this film distinguishes itself through a somber tone, mature character writing, and a sci-fi concept that serves as a poignant metaphor for grief. It is not just a love story; it is a study on the paralysis of loss and the terrifying courage required to move forward.

Feedback
Tire diameter
Tire diameter:
Diameter of the tire.
Rolling circumference
Calculation incl. load from the vehicle and at a speed of approx. 60 km/h (40 mph) (tire circumference * 0.97).
Tire circumference
Purely calculated circumference of the tire without mounting on a rim and without load.
Tire height
Height of the sidewall of the tire.
Rim size
Rim size:
Diameter of the rim.
Rim width
Rim width:
Width of the rim.
Poke (Outer Edge)
Distance between the OUTER rim edge and the contact surface of the brake disk or brake drum.
Inset (Inner Edge)
Distance between the INNER rim edge and the contact surface of the brake disk or brake drum.
Change in ground clearance
Value by which the vehicle is higher or lower with the new tires.
Changing the rolling circumference. If the deviation is too high, it may be necessary to adjust the speedometer.
Displayed speedometer value with desired tires, which corresponds to the displayed 100 mph or km/h with existing tires.
Change outer edge per side
Distance between the outer surfaces of the rims. The rims in the wheel housing move inwards or outwards by this value.
Change inside edge per side
Distance between the inner surfaces of the rims. The ET (offset) has an influence on this value.
Tire info
Tire info
Tire info
Tire info
Tire info
Rim info
Tire info
Tire info
Tire info
Tire info
Tire info
Rim info