The follow-on is the provision that lets the side batting first, having built a large enough first-innings lead, require the opposition to bat again immediately rather than taking its own second innings. It exists so that a match with a very one-sided first innings can still reach a result inside the scheduled days. The size of the lead required is not a convention or a captain's judgement: it is set by the Laws, and it depends on how long the match is scheduled to last.
This calculator applies that rule. Enter the two first-innings totals and the match length and it returns the lead, the required lead, whether the option is available, and how many more runs the side batting second needs to remove it. Arb Digital builds these tools because the thresholds are frequently misremembered — almost everyone knows the 200-run Test figure and far fewer know that a three-day match uses a different one.
What This Cricket Follow-On Calculator Does
It implements Law 14 of the Laws of Cricket as published by the Marylebone Cricket Club, which sets the minimum lead by scheduled match duration. In a two-innings match of five days or more, the side batting first must lead by at least 200 runs. The thresholds for shorter two-innings matches are 150 runs for matches of three or four days, 100 runs for a two-day match, and 75 runs for a one-day two-innings match. Those figures are set out in the MCC's own text of Law 14.
It also handles the rain provision. If no play takes place on the first day of a match of more than one day's duration, the requirement is applied according to the number of days remaining, with the day on which play first commences counting as a whole day regardless of what time it starts. That is why a Test washed out on day one is played to the 150-run threshold rather than the 200-run one.
How to Use It
- Select the scheduled match length. Not the number of days actually played — the scheduled duration, adjusted only by the days-lost field below it.
- Enter days lost before play began, if any. Only whole days on which no play at all took place before the match started count, and the rule applies to the start of the match, not to interruptions later on.
- Enter the first side's completed first-innings total and the second side's score, either final or in progress.
- Read the required lead and the gap. If the second innings is still in progress, the grid shows how many more runs are needed to put the follow-on out of reach.
- Use the override for competitions with their own conditions. Some domestic first-class competitions publish playing conditions that vary the standard figures, and where they do, those conditions govern.
The Rule and How It Is Calculated
The arithmetic is simple; the rule is the substance. Let A be the first side's first-innings total, B the second side's, and R the required lead for the match length. The follow-on option exists when:
A − B ≥ R
And the runs the second side still needs to remove the option are:
A − R + 1 − B
Worked through with the values loaded on this page: in a five-day match the required lead is 200. With 587 against 312, the lead is 587 − 312 = 275, which is 75 runs more than the threshold, so the option is available. To take it away, the side batting second must reach 587 − 200 + 1 = 388, which from 312 is another 76 runs. At exactly 387 the lead is precisely 200 and the option still stands, because the Law says "at least".
That boundary is where people get it wrong most often. A lead of exactly the threshold figure qualifies. It is the side batting second that has to exceed the mark, not the side batting first.
The Thresholds Differ by Format, and That Matters
Almost all public discussion of the follow-on happens around Test cricket, so the 200-run figure has become the one everyone quotes. It applies only to matches scheduled for five days or more. County and other first-class matches are usually four days and use 150. Three-day first-class cricket, still played in several countries and historically the norm, also uses 150. Two-day matches use 100 and one-day two-innings matches use 75.
The logic behind the sliding scale is that a shorter match has less time in which to force a result, so a smaller lead is enough to justify shortening the remaining play. It also means that the same two scorecards can produce different answers depending only on the format they were made in, which is why a follow-on calculator that assumes 200 is wrong more often than it is right outside Test cricket.
Where a competition publishes its own playing conditions, those conditions govern. The ICC's published playing conditions for men's and women's Test cricket, and the equivalents for other formats and tournaments, sit on top of the Laws and are the authoritative text for matches under their jurisdiction.
Having the Option Is Not the Same as Using It
Law 14 gives the captain of the side batting first an option, and the decision is notified to the opposing captain and the umpires. Once notified it cannot be reversed. Nothing compels a captain to enforce it, and the modern tendency in Test cricket has been to enforce it less often than in earlier eras.
The reasons are practical rather than tactical subtleties. Enforcing means the bowling attack goes straight back out, often in the same conditions and often after a long innings in the field, and fast bowlers' workloads have become a managed quantity. Batting again puts an already large lead further out of reach and lets the opposition's fourth-innings target become impossible while the pitch deteriorates. Against that, enforcing preserves time, which matters when weather is forecast, and can catch a demoralised side while conditions are still helping the bowlers.
There is also the famous risk. A side that follows on can still win, and has done: it is rare enough to be memorable and frequent enough to weigh on a captain's mind, which is part of why the decision now goes the conservative way so often.
Where the Calculation Ends and the Match Situation Begins
What the arithmetic here settles is narrow and definite: whether the lead reaches the threshold. Everything that follows from that is judgement. How much time remains, what the pitch is doing, the state of the bowling attack, the weather forecast for the remaining days, and whether a draw is an acceptable result for either side are all outside a calculator.
There are also rule interactions the simple comparison does not cover. Play interrupted mid-match does not change the requirement — only the loss of the first day does. A declared first innings still counts as a completed innings for the purpose of the lead. And in matches where the first innings is forfeited or a side is bowled out cheaply after a delayed start, the day-counting provision has to be read carefully against the actual match record rather than assumed.
For the statistics either side generates in the process, our cricket strike rate calculator covers batting strike rate, the batting average calculator and bowling average calculator handle the standard averages, and the net run rate calculator and Duckworth-Lewis calculator cover the limited-overs side of the game where the follow-on does not exist at all.
Arb Digital builds free calculators like this one as search-visible entry points, then turns the traffic they earn into audience and enquiries with content and technical SEO built around the terms your readers actually type.
Content Marketing Talk to Arb DigitalCommon Mistakes to Avoid
- Applying 200 runs to every match. That figure is for matches of five days or more. Four-day and three-day first-class matches use 150, two-day matches 100 and one-day two-innings matches 75.
- Getting the boundary the wrong way round. A lead of exactly the threshold qualifies, because the Law says "at least". The side batting second must exceed the mark, not merely reach it.
- Applying the days-lost rule to mid-match interruptions. The provision concerns no play taking place on the first day. Rain on day three does not change the requirement.
- Assuming the follow-on is compulsory. It is an option for the captain of the side batting first, notified to the opposing captain and the umpires, and irreversible once notified.
- Looking for it in limited-overs cricket. There is no follow-on in a one-innings-per-side format. It only exists in two-innings matches.
Related Free Tools From Arb Digital
For the individual statistics from the same scorecard, the batting average calculator and bowling average calculator cover the standard measures and the cricket strike rate calculator handles scoring rate. On the limited-overs side, the net run rate calculator works out tournament standings and the Duckworth-Lewis calculator covers rain-affected targets. The winning percentage calculator handles season records across any sport. Browse the free online tools hub for the rest.
Frequently Asked Questions
At least 200 runs. Law 14 provides that in a two-innings match of five days or more, the side batting first and leading by at least 200 runs has the option of requiring the other side to follow their innings.
No. The Laws set 150 runs for two-innings matches of three or four days, 100 runs for a two-day match and 75 runs for a one-day two-innings match. Only matches of five days or more use 200.
The requirement is applied according to the number of days remaining, and the day on which play first commences counts as a whole day whatever time it starts. A five-day match washed out on day one therefore uses the 150-run figure.
Yes. The Law says the side must lead by at least 200 runs, so a lead of exactly 200 qualifies. The side batting second must exceed that margin, not merely reach it, to remove the option.
No. It is an option. The captain notifies the opposing captain and the umpires of the intention to take it up, and once notified the decision cannot be changed, but there is no obligation to take it at all.
No. The follow-on exists only in two-innings matches. Limited-overs formats give each side a single innings, so the provision has nothing to apply to.
Yes, and it has happened in Test cricket, though very rarely. The possibility is one of the reasons captains with the option sometimes choose to bat again instead.
Where a competition publishes its own playing conditions, those govern matches under its jurisdiction. The ICC publishes playing conditions for international cricket, and domestic boards publish their own, so check the relevant document for the match in question.
This calculator applies the published Laws of Cricket for information only. The playing conditions of the competition concerned, together with the match referee and the umpires, govern any actual match, and those conditions can vary the standard figures. Always check the playing conditions issued for the specific competition rather than relying on a general reference.
