Tire Ukuran Kalkulator

Ana rong jinis sumbu: sumbu tangensial, sumbu tangensial lan sumbu tangensial.

mm
%
in
mm
%
in
Beda diameter
Tire 1 diameter
Tire 2 diameter
Efek speedometer

Hasilne bakal dioptimalake nalika sampeyan ngetik.

Ngenai kalkulator iki

tire size calculator compares two tires written in the standard P-metric format (for example 205/55R16) — the section width in millimetres, the aspect ratio as a percentage of that width, and the rim diameter in inches. It calculates each tire’s overall diameter as the rim plus two times the sidewall height, the rolling circumference, and the percentage difference between the two. A 225/45R17 has a 101.25 mm sidewall and a diameter of 431.8 + 202.5 = 634.3 mm — about 0.4% taller. A 205/55R16 has a sidewall of 205 × 0.55 = 112.75 mm, so its diameter is 16 × 25.4 + 2 × 1Worked example: a 205/55R16 has a sidewall of 205 × 0.55 + 2 × 112.75 = 631.9 mm. A 225/45R17 has a sidewall of 205 × 0.55 × 205.5 × 205

Takon-takon kang kerep diajukake

Канча айырма өлчөмү таажы коопсуз?

Parubahan dina diameter umum di handapeun 3% ngajaga speedometer dina toleransi sarta nyingkahan masalah ngaleupaskeun atanapi ngageser. Kalkulator ngalaporkeun persentase anu leres supados anjeun tiasa ngahukum swap.

Carane ban luwih gedhe mengaruhi speedometerku?

Speedometer ngahitung rotasi roda ngalawan ukuran ban asli. Ban anu luhurna leumpang jauhna per putaran, jadi anjeun leres-leres leumpang langkung gancang tibatan anu ditunjukkeun dial; ban anu pondokna ngalakukeun anu sabalikna. Kalkulator masihan kecepatan anu leres dina 60 mph anu dinyatakeun.

Apa tegese nomer ing 205/55R16?

205 nyaéta jangkungna tread dina milimeter, 55 nyaéta jangkungna dinding sisi salaku persentase tina jangkungna éta (sareng 55% tina 205 ≈ 113 mm), R hartosna konstruksi radial, sareng 16 nyaéta diameter rim roda dina inci.

Apa sing diarani sumbu rotasi?

Plus-sizing cocog roda diameter anu langkung ageung sareng ban profil anu langkung handap janten diameter umum tetep sami - swap "plus hiji" atanapi "plus dua". Ngajaga total diameter dina kira-kira 3% tina saham ngajaga akurasi speedometer sareng gearing nalika ngarobih penampilan sareng pangaturan.

Yen aku bisa nginstal rim sing luwih gedhe, carane aku bisa njaga diameter total sing padha?

Ngaronjatkeun rasio aspek tina tabung (sidewall thinner) sarta sering ngalegaan éta saeutik pikeun ngaganti. Ngaliput ti 16-inci ka rim 17-inci, ngaleupaskeun profil ti 55 ka 45 tetep diameterna hampir identik, sakumaha conto digawé nunjukkeun.

Bakal tire dhuwur nggawe speedometer aku maca dhuwur utawa entheng?

Tire anu leuwih luhur bakal ngajalankeun jauh leuwih per rotasi, jadi anjeun bener-bener rék leuwih gancang ti dial nu nembongkeun - speedometer maca low. Tire nu leuwih pondok nyaéta balik, maca luhur. Kalkulator bakal méré kecepatan nyata dina 60 mph dinyatakeun pikeun swap.

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API — gunakake kalkulator iki saka kode

Ngadongékeun kalkulator ieu minangka titik akhir JSON bébas — teu peryogi kunci. Kirim nilai medan di handapeun minangka parameter pitakonan atawa JSON. Waca dokumen lengkap API →

Tampilan

GET https://calculator.free/api/v1/tire-size/

curl

curl "https://calculator.free/api/v1/tire-size/?w1=205&a1=55&r1=16&w2=225&a2=45&r2=17"

JavaScript fetch()

const r = await fetch(
  "https://calculator.free/api/v1/tire-size/?" + new URLSearchParams({
    "w1": "205",
    "a1": "55",
    "r1": "16",
    "w2": "225",
    "a2": "45",
    "r2": "17"
  }));
const data = await r.json();
console.log(data.results);

Hasilna nyaéta perkiraan pikeun pituduh umum, henteu saran finansial, médis atanapi pajak.