Use the XP Time Planner to estimate how long a numeric XP target will take at a rate you have measured in game. It uses four inputs: current XP, target XP, XP gained during an observation, and the observation length in minutes.
Scope: this is a rate-based planning calculator. It does not contain a verified level-to-XP table, read your Roblox account, or infer XP from pet weight or age. Keep all XP values on the same scale.
Measure the rate before estimating the wait
- Choose one pet and record its XP counter and active boosts.
- Start a short observation using a timer. Keep the same pet, food and boost conditions.
- Record the gain and elapsed minutes. If the counter resets at a level boundary, account for that reset using the game’s displayed values; do not simply subtract the two counters.
- Open the calculator’s XP Planner tab. Enter your current and target XP, then the gain and duration you observed.
- Read the remaining XP, measured rate and estimated time. Repeat the observation if the result varies noticeably.
The formula
rate = observed XP gain ÷ observation minutesremaining XP = max(0, target XP − current XP)estimated minutes = remaining XP ÷ rate
The display rounds up to the next whole second. Zero or negative gains and observation lengths are rejected because they cannot describe a positive progression rate. If the current XP already meets the target, the planner reports that no additional XP is needed.
Worked example: one unchanged rate
These are illustrative inputs, not a claim about a particular pet’s current game statistics. Suppose the counter is at 200 XP and your target on the same scale is 1,000 XP. You observed a gain of 100 XP in five minutes.
- Rate: 100 ÷ 5 = 20 XP per minute.
- Remaining amount: 1,000 − 200 = 800 XP.
- Estimated time: 800 ÷ 20 = 40 minutes.
Increasing the target to 1,800 XP leaves 1,600 XP, so the same measured rate gives 80 minutes. This is a check of the arithmetic, not evidence that the pet maintains that rate indefinitely.
Worked example: a boost expires
Suppose you need 800 XP, earn 40 XP per minute for ten more minutes, then return to a measured baseline of 20 XP per minute. The boosted interval contributes 400 XP. The remaining 400 XP takes 20 minutes at baseline, for 30 minutes total. Entering 40 XP per minute for the entire target would incorrectly suggest 20 minutes.
For changing conditions, split the plan into intervals. This calculator uses a single constant rate per run; it cannot automatically model boost expiration, offline behavior, feeding interruptions or a game update.
When the estimate is useful
Use it to budget a short session, compare two measured setups, or check whether an XP goal fits before a known boost expires. Measure each setup separately and use the same target. A larger pet weight is not an XP rate, so do not enter kilograms into any XP field.
Keep a reproducible note
Save the pet name, date, current and target XP, observed gain, minutes and active conditions. If an update changes the result, take a fresh observation. The data and accuracy policy explains the site’s limitations and how to report a mismatch.
Related tools
For kilograms, use the measured pet-growth guide. For a countdown, use the egg hatch-time guide. Neither calculation substitutes for the game’s own XP requirements.
Calculator instructions revised September 6, 2026 to match the XP Time Planner inputs.
Plan changing rates in separate intervals
Suppose 800 XP remains and the measured rate is 20 XP per minute. Ten minutes at that rate earns 200 XP, leaving 600. If a new observation after the boost ends gives 15 XP per minute, estimate the remaining interval as 600 ÷ 15 = 40 minutes. Total planned time is 50 minutes, rather than extending the original 40-minute estimate through a changed rate.
Use this arithmetic only when all XP values are on the same cumulative scale. If the game resets the counter at an age boundary, first reconstruct the gain from the displayed requirements.