Calculator
Speeding fine and points calculator
Road type, vehicle class, the limit and your measured speed — and the two tables are looked up separately.
Read alongside
Above this excess speed, the blue-ticket track does not apply
Road Traffic Act Art. 118(1)(i) excludes driving at or above this excess from the notification system entirely. It is checked BEFORE any amount table is consulted, so this page reads in the same order the law does.
- Ordinary road
- 30 km/h over the limit
- Expressway or motor-vehicle-only road
- 40 km/h over the limit
道路交通法 第百十八条第一項第一号
Speeding fine and points calculator
Results update as you type. There is no submit button.
Enter the posted limit if there is a sign. On an unsigned ordinary road you can fill in the statutory default below.
The speed recorded by the enforcement.
Result
Enter both speeds and the fine and points appear. Neither field starts filled in.
Every value on this site carries status: research — transcribed, not signed off. Sign-off is the reviewer of record's act; no figure here has been through it.
- In force
- 道路交通法施行令, consolidation in force 2026-05-21 — 別表第六 (反則金の額)
- Source
- 道路交通法施行令 別表第六（第四十五条関係） ／ 道路交通法施行令 別表第二 一
- status
- transcribed, not signed off
Speeding
One excess speed, three separate ladders
Speeding produces three consequences from one number — how far over you were — but the three tables break at different places. Reading one of them does not tell you the other two.
Hansokukin (the notice amount)
Cabinet Order, Appended Table 6 (Art. 45)
- 1–15 km/h¥9,000
- 15–20 km/h¥12,000
- 20–25 km/h¥15,000
- 25–30 km/h¥18,000
- 30–35 km/h¥25,000
- 35–40 km/h¥35,000
Priced by vehicle class and, for the top bands, by road type. It stops paying entirely at the criminal-referral threshold.
Base demerit points
Cabinet Order, Appended Table 2, part 1
- 1–20 km/h1 point
- 20–25 km/h2 points
- 25–30 km/h3 points
- 25–40 km/h3 points
- 30–50 km/h6 points
- 40–50 km/h6 points
- 50 km/h or more12 points
A different table with different boundaries and its own road-type split — and it does NOT stop at the criminal threshold.
Bakkin (a court fine)
Road Traffic Act, Art. 118(1)(i)
Ceiling
¥100,000
Floor
¥10,000
The floor comes from Penal Code Art. 15, reached through Art. 8 as the general rule. That article also carries a statutory-mitigation proviso under which a court CAN go below it; this site does not model mitigation, so what is stated here is the un-mitigated floor only.
No bands at all. The court sets the amount inside the statutory range.
Same points, different money
8 km/h over the limit and 17 km/h over the limit pay different amounts — ¥9,000 and ¥12,000 — and score the identical 1 point. The money table and the points table are not the same partition.
Past the boundary
Above the threshold the hansokukin table stops having an amount, and points keep accruing. "No hansokukin" does not mean nothing happens.
How to read it
Which tables this looks up
The amount comes from the Cabinet Order's Appended Table 6; the points come from the Cabinet Order's Appended Table 2, part 1. They are different tables with different boundaries.
Whether the case has already left the blue-ticket track (30 km/h over the limit, or 40 km/h over the limit on an expressway) is decided BEFORE any amount is looked up.
The two ladders
Why one speed produces two answers that do not track each other
Most people expect a single ladder: the faster you were, the more you pay and the more points you take, in step. The Japanese tables do not work that way. The money ladder and the points ladder are two separate schedules in the same Cabinet Order, written for two different purposes, and they break at different speeds.
The calculator shows both because showing one would mislead. A small change in measured speed can move you into a new amount band without moving you into a new points band — and further up the scale it can leave the amount unchanged while the points climb.
That is this market's own structure, not a quirk of how this site presents it. 8 km/h over the limit and 17 km/h over the limit over the limit are priced at ¥9,000 and ¥12,000, and both score 1 point. Neither table is wrong. They are simply not the same partition of the same variable, and nothing in either instrument says they should be.
Vehicle class
Why vehicle class moves the amount but usually not the points
The amount table prices each conduct category by vehicle class, using its own set of classes. The base-points table does not split the same way: it prices the conduct rather than the vehicle.
So changing the vehicle class in the calculator normally moves the amount and leaves the points where they were. If you expected the two to move together, it is the tables that separate them, not the tool.
The class names are kept in the statute's own vocabulary rather than mapped onto a familiar set of categories. The instruments do not use one shared set — a comfortable translation would quietly merge two classes the law keeps apart.
The gate that runs first
Above the threshold there is no amount to look up
The Road Traffic Act excludes a large enough excess from the notification system altogether. That exclusion is not the top rung of the amount ladder — it sits before the ladder, and this calculator checks it in the same order the law does.
Once the case is outside the notification system there is no hansokukin at all: not a larger one, none. What remains is a court-set fine within the statutory range, and the demerit points, which do not stop at that boundary.
This is why the result can read "no hansokukin" and "points apply" at the same time. Read together they are consistent; read apart, either one alone gives the wrong impression of what happened.
What it will not decide
What this calculator deliberately does not answer
It does not decide whether you are on the blue-ticket track at all. The eligibility grounds sit outside the speed arithmetic entirely, and any one of them removes the track however small the excess was. They are set out on their own page rather than folded into this result.
It does not classify an alcohol or breath reading, and it does not predict a licence suspension or revocation. Both would require tables this site has not transcribed, and producing a confident figure without them would be the opposite of accuracy.
On an expressway it asks for the posted limit rather than filling one in. The statutory default for an expressway mainline is set by an article this site has not transcribed, and the general-road figure is never quietly reused in its place.
Above this excess speed, the blue-ticket track does not apply
The boundary is 30 km/h over the limit on an ordinary road and 40 km/h over the limit on an expressway.
道路交通法 第百十八条第一項第一号 · 一般道 30 km/h / 高速自動車国道等 40 km/h
What this system does not cover
What this site does not answer, and why
These are content, not gaps. Each is a bounded statement that a NAMED instrument does not contain something — never a claim that "the law is silent".
Death and injury by driving is a different Act
The Act on Punishment of Acts Causing Death or Injury by Driving was amended by the same Act that amended the Road Traffic Act (Act No. 52 of 2026), but its offences and penalties are its own. This site has not transcribed them. A case involving death or injury is outside this calculator.
- 自動車運転死傷行為処罰法, in force 2026-07-21
The payload's own note, verbatim (an instrument name in 【 】 is this site's)
自動車運転死傷行為処罰法 (death/injury-by-driving offences) is vendored in the corpus and was amended by the SAME act that amended 道路交通法 on 2026-07-21 (令和八年法律第五十二号) — but its own offence/penalty structure is a SEPARATE instrument and is not transcribed into this payload.
The summary-trial procedure is a different Act
The Summary Trial Procedure Act for traffic cases governs HOW a minor traffic case is disposed of. It is procedural and carries no amount of its own, so it is not modelled here. Its ceiling and this offence's own ceiling are two different figures.
- 交通事件即決裁判手続法, in force 2026-05-21
The payload's own note, verbatim (an instrument name in 【 】 is this site's)
交通事件即決裁判手続法 (the summary-trial PROCEDURE for minor traffic offences) is vendored — procedural, carries no rate figure of its own, and is not modelled here.
Minimum speeds are not transcribed
【道路交通法施行令】Minimum speeds are set by Cabinet Order Art. 27. Arts. 11 and 12 only point at it ("the next Article" / "the preceding Article"); the figure itself is not within what this site transcribed. It was read, and not taken.
- 道路交通法施行令 (Cabinet Order No. 270 of 1960), 第二十七条 — consolidation in force 2026-05-21
The payload's own note, verbatim (an instrument name in 【 】 is this site's)
最低速度 (minimum speed, expressway mainline — 第二十七条 and neighbours, referenced in passing by 第十一条/第十二条's own cross-references) is a separate figure this fixture did not extract.
Not every Chapter 8 article is covered
【道路交通法】Chapter 8 of the Road Traffic Act (Arts. 117–122) holds more articles than the ones this site joined to the hansokukin ceilings. Only the articles that Appended Table 2's own rows name are transcribed. Arts. 117 and 122, and Arts. 118-2 and 118-3, are referenced by no ceiling row and are not transcribed.
- 道路交通法 (Act No. 105 of 1960), 第八章 罰則（第百十七条―第百二十二条） — consolidation in force 2026-07-21
The payload's own note, verbatim (an instrument name in 【 】 is this site's)
Chapter 8 (第百十七条～第百二十二条) has MORE articles than the eight this fixture joined to jpFinesCeiling. Only the ones 【道路交通法】別表第二's own rows reference by locator are transcribed (第百十八条, 第百十八条の二/三 excluded, 第百十九条, 第百十九条の二の四, 第百十九条の三, 第百二十条, 第百二十一条); 第百十七条 and 第百二十二条 (and 第百十八条の二/三) are not referenced by any 反則金 ceiling row and are not transcribed here.
For a juvenile, the family court sets the amount
【道路交通法】Under Road Traffic Act Art. 130-2(1), second sentence, where a case reaches a family-court hearing the amount is set by that court within the Act's own Appended Table 2 ceiling. There is no fixed schedule figure to read off, so this site states none.
- 道路交通法 (Act No. 105 of 1960), 第百三十条の二第一項後段 — consolidation in force 2026-07-21
The payload's own note, verbatim (an instrument name in 【 】 is this site's)
第百三十条の二第一項後段: when a juvenile's case reaches a family-court hearing, the court MAY order 反則金 payment on its own schedule, and the AMOUNT is then set by the family court itself — "その反則金の額は、第百二十五条第三項の規定にかかわらず、【道路交通法】別表第二に定める金額の範囲内において家庭裁判所が定める額とする" — within 【道路交通法】別表第二's ceiling, but not read off any fixed schedule figure this fixture can transcribe as a number.
The mitigated floor is not stated
Penal Code Art. 15 carries a proviso: on statutory mitigation grounds a court CAN sentence below the floor. This site states only the un-mitigated floor and does not model when mitigation applies.
- Penal Code, Art. 15, proviso
Expressway mainline default speeds are out of scope
The default speed on an expressway mainline is set by Cabinet Order Art. 27, which this site has not transcribed. The general-road figure is never reused for it. On an expressway, enter the posted limit.
- Cabinet Order, Art. 27
No alcohol or BAC classification
This site's calculators do not classify alcohol readings. There is no verified threshold table here to drive one, and producing a number without it would be the opposite of accuracy.
- Not transcribed into this site's payload
No "will I lose my licence" prediction
Suspension and revocation from accumulated points are set by the Cabinet Order's Appended Table 3 together with Road Traffic Act Art. 103. Both were read; neither is modelled. There is no such calculator here.
- Cabinet Order, Appended Table 3 / Road Traffic Act, Art. 103
No foreign-licence or visitor-specific rules
Nothing in the material this site read carries rules specific to foreign licences or cross-border drivers. This English bundle is a translation of the same claims and makes no additional ones.
- Not transcribed into this site's payload
Where to physically pay is not stated here
What the statutes give is the deadline and the no-instalments rule. Counters, banks and opening hours are not sourced, so they are not written. Follow the instructions printed on your own notice.
- Road Traffic Act Arts. 128/129; Cabinet Order Art. 51(4)
NEXT STEP
Start from the ticket in your hand
Once you have the conduct category, the amount, the points and the deadline all follow.