Your time to rebirth is the larger of two numbers: the minutes needed to earn the missing credits, and the minutes needed to get the required droids active in your base. The credit side is plain division: credits still missing divided by your income per second. Droidex Companion reads your live stats with local screen recognition, so the income figure in that division is measured from your own screen and not guessed.
TL;DR
- Time to rebirth = max(credit time, droid time). Credit time = (target credits − current credits) ÷ income per second.
- Level 1 needs 10,000 credits and CB, Pit and DRK-1 Probe (all Basic), active in your base.
- Buy an upgrade only if (missing credits + cost) ÷ (income + gain) is lower than missing credits ÷ income.
- Early on, rebirth as soon as you qualify: delaying forfeits multiplier time that speeds up later farming.
Table of Contents
- What the rebirth clock actually measures
- The core formula
- Target credits by level
- Variables that change your estimate
- Rebirth now or keep progressing
- Practical ways to track progress
- Do versions and platforms change the math?
- Perspective
- Track the estimate automatically
- FAQ
- Sources
What the rebirth clock actually measures
A rebirth in Droid Tycoon resets your base in exchange for a permanent boost. The game has 35 rebirth levels split into 6 paths, and each level asks for two things: a credit total and a set of droids.
That gives the clock two independent timers. One counts credits and behaves like a steady stream. The other counts droid availability and behaves like a lottery, because rarer droids take longer to appear. Insider Gaming's requirements list notes that some of the rarer droids take a long time to spawn, so the droid timer often decides the real wait at higher levels.
One detail breaks many estimates. According to the same list, ticking a droid off in the Droidex is not enough: the droid must be physically active in your base. It does not need to be working, so it can sit in the rest area. Count a droid as owned only when it is standing in your base.
The core formula
Write it down once and reuse it at every level.
Credit time (seconds) = (target credits − current credits) ÷ income per second
Time to rebirth = max(credit time, droid time)
Income per second is the figure that decides accuracy. Read it over a window of at least a minute of normal play, not at a single instant, because collection and drops make the instant value jump. Divide the credits gained in that window by its length in seconds.
Worked example: Level 3
Level 3 requires 975,000 credits. These numbers are an illustration, not game data:
- Current credits: 200,000
- Income: 1,500 per second
- Missing credits: 975,000 − 200,000 = 775,000
- Credit time: 775,000 ÷ 1,500 = 516.7 seconds, about 8 minutes 37 seconds
If the droids for that level are already active, the wait is 8 minutes 37 seconds. If one droid is missing and has not appeared, the droid timer overrides the result, and the credit figure only tells you how long you can afford to wait.
Target credits by level
The credit target grows fast, then the growth per level slows. The figures below come from Insider Gaming's list of all rebirth requirements; the multiplier column is my division of one target by the one before it.
| Rebirth level | Credits | Required droids | Target vs. previous level |
|---|---|---|---|
| 1 | 10,000 | CB, Pit, DRK-1 Probe (all Basic) | n/a |
| 2 | 150,000 | BDX Explorer, 2BB, Bal-Core (all Basic) | 15× |
| 3 | 975,000 | A-LT (Basic), BU-4D (Basic), R9 (Gold) | 6.5× |
| 4 | 2.95 million | ARG (Gold), B1 Security (Gold), Groundmech (Basic) | about 3.0× |
| 5 | 5.35 million | BU-4D (Gold), HOV-R (Gold), R9 (Diamond) | about 1.8× |
Two lessons follow. The jump from Level 1 to Level 2 is the biggest in relative terms, so your income at that point must rise sharply. After Level 4 the target grows more slowly, and the droid tier requirement (Gold, Diamond and above) takes over as the main constraint.
The requirements can change with game updates, so confirm the current list on the Droidex rebirth cycles tracker before you commit to a plan.
Variables that change your estimate
The basic formula assumes constant income. Real runs have four moving parts, and each one has a simple correction.
Income growth during the wait
If your income rises while you farm, using the starting value overstates the wait. Use the average of starting and expected ending income as a first correction.
Using the Level 3 example with income rising from 1,500 to 2,500 per second, the average is 2,000. Then 775,000 ÷ 2,000 = 387.5 seconds, about 6 minutes 28 seconds. That is 2 minutes 9 seconds shorter than the flat estimate.
Upgrades bought along the way
An upgrade costs credits now and returns a higher income later. It pays off only when the cost is recovered before you reach the target. The test:
(missing credits + upgrade cost) ÷ (income + income gain) < missing credits ÷ income
Example, same Level 3 run: a 50,000-credit upgrade adds 300 per second.
- Without it: 775,000 ÷ 1,500 = 516.7 seconds
- With it: 825,000 ÷ 1,800 = 458.3 seconds
The upgrade saves 58.3 seconds, so buy it. Run the same test with a 200,000-credit upgrade that adds 300 per second: 975,000 ÷ 1,800 = 541.7 seconds. That is slower than not buying, so skip it until after the rebirth.
The lesson is that the same upgrade can be right at the start of a run and wrong near the end. The test depends on how much is still missing, so rerun it as the gap closes.
Droid availability
The droid timer has no tidy formula because spawn timing is not published as a fixed schedule. Treat it as an observed quantity: note how long each required droid took last run and use that as your estimate. Keep a per-droid log and the lottery becomes a range you can plan around.
For Level 1 the droids are all Basic, so the wait is short. At later levels, droids of Gold, Diamond, Rainbow and Beskar quality appear in the list, and the log matters more.
Rest area and active status
A droid assigned to the rest area counts for the requirement even though it earns nothing, per the Insider Gaming requirements list. That helps your estimate in one way: you can park a required droid and keep the income of your best earners. Our AFK tracking guide shows how to check that the required droids are present before you step away.
Rebirth now or keep progressing
The estimate answers "when can I?" The second question is "should I?" A Fortnite OG guide to upgrading and rebirthing says that delaying a rebirth costs you multiplier time that would make future farming faster, especially at early levels 1 through 4, and advises rebirthing as soon as you meet the requirement.
Turn that into a rule:
- At Levels 1 to 4, rebirth the moment both timers finish.
- At higher levels, rebirth when the droid timer finishes if the credit timer already has. Extra waiting only pays if a specific purchase before the reset raises your next run enough to beat the multiplier time lost.
- If the credit timer is the slow one and the droids are ready, use the upgrade test above and then reset.
The cost of waiting is easy to see in numbers. If your post-rebirth income would be 20% higher, each minute you delay is a minute at the lower rate. Over a 10-minute delay you give up the equivalent of 2 minutes of farming at the higher rate. The figure is an example, but the pattern holds at any multiplier.
For the super rebirth stage, the guide to planning super rebirths at Rank 12 covers why a reset timed badly wastes a run.
Practical ways to track progress
A calculator is only as good as its inputs. These habits keep the inputs honest.
- Measure income over a window. Note credits at the start and end of a fixed 60 to 120 seconds, then divide.
- Record droid wait times. Write down how long each required droid took in your last run.
- Log each rebirth. Time from reset to reset gives you a real baseline for the next estimate.
- Check droids physically. Look at the base, not at the Droidex tick marks.
Doing this by hand works for Level 1. By Level 10 it means a stopwatch, a notepad and constant tab switching. That is where an automatic reader earns its place. Droidex Companion reads live stats from your screen with local screen recognition, and its manual on hotkeys and calibration explains how to set it up. For deciding which numbers to record, the post on four Droid Tycoon stats worth tracking lists them.
If you want the income side modeled before a run, the base profit and income planner takes the same inputs the formula uses.
Do versions and platforms change the math?
The formula does not change. The inputs can. Credit targets, droid lists and droid stats shift when the game patches, so a table from an older version produces a wrong estimate. Patch notes on this site record what changed, for example the v1.25 patch notes and the v1.32.0 update with Kyber Droids and Huyang. Read the one that matches your game version before you reuse an old plan.
The game runs inside Fortnite, and Droidex Companion is a Windows app. Plan with the requirement list for the version you are playing, and recheck it after every update.
Perspective
Most rebirth calculators fail at the same point: they ask you to type in numbers. Income per second changes every few seconds, so a typed number is stale before the division is done.
We built Droidex Companion around reading the screen locally, so your live stats feed the estimate directly. The calculation stays simple, and what improves is the input. Overlays you can customize put the countdown where you already look, and rebirth planning keeps your next target in view between runs.
All main features are free. We think a precise estimate should not depend on a purchase, and a player who knows the exact gap to the next level plays the run differently: buying the right upgrade, parking the right droid, resetting at the right moment.
Daniel
Daniel
Track the estimate automatically
Droidex Companion is a free Windows app for Droid Tycoon with live stat tracking, rebirth planning, collection management, customizable overlays and leaderboards. It reads your screen locally, and every main feature is free to use. Donations through Ko-fi are optional.
Start on the Droidex Companion page, then use the rebirth cycles tracker to see the requirement for your next level. If you are heading for your first reset, the beginner guide to the first rebirth walks through it.
FAQ
How do I calculate the time left until my next rebirth?
Subtract your current credits from the level's credit target and divide by your income per second. Then compare that result with the time you expect the required droids to need. The longer of the two is your rebirth time.
Do the droids have to be working to count?
No. The droids must be active in your base, but they can sit in the rest area, according to the Insider Gaming requirements list. Ticking a droid off in the Droidex does not count.
What does the first rebirth require?
Level 1 needs 10,000 credits and three Basic droids active in your base: CB, Pit and DRK-1 Probe, per Insider Gaming. You can read more about the last of these on the DRK-1 Probe page.
Should I wait to rebirth until I have more credits?
At early levels, no. A Fortnite OG rebirth guide advises resetting as soon as you qualify, because waiting gives up multiplier time. At later levels, use the upgrade test in this article to judge a purchase before the reset.
Will the same estimate work after a game update?
The formula will. The credit targets and droid lists may not, so check the current requirements after each patch and update your inputs.
Sources
- All Fortnite Star Wars Droid Tycoon Rebirth Requirements, Listed (Insider Gaming)
- Fortnite OG: How to Upgrade, Expand, and Rebirth in Droid Tycoon (Final Boss)
- Rebirths (Star Wars Droid Tycoon Wiki)