Ho-Oh IV Calculator for Sun and Moon
Estimate Ho-Oh individual values from observed stats in Pokemon Sun, Moon, Ultra Sun, and Ultra Moon. Enter your Ho-Oh’s level, nature, current stats, and optional EV assumptions to calculate exact IVs or valid IV ranges for each stat.
Calculator
Observed Stats
EV Assumptions
Ho-Oh Base Stats
- HP: 106
- Attack: 130
- Defense: 90
- Sp. Atk: 110
- Sp. Def: 154
- Speed: 90
IV Range Chart
This chart compares the minimum and maximum valid IV for each Ho-Oh stat based on your level, nature, observed stats, and EV assumptions. If a stat shows the same minimum and maximum value, you have an exact IV for that stat under the selected assumptions.
Expert Guide to the Ho-Oh IV Calculator in Sun and Moon
The Ho-Oh IV calculator for Sun and Moon is a specialized tool that helps players estimate the hidden individual values, commonly called IVs, of a Ho-Oh they have caught, traded, or transferred into Generation 7. While many players casually check a legendary Pokemon with the in game judge function, a dedicated calculator is far more useful when you want a detailed stat by stat breakdown, especially at levels below 100 or when you need to account for nature and EV assumptions. Because Ho-Oh is a premium legendary with a unique blend of offensive power, special bulk, and recovery potential, understanding its IV spread can save countless soft resets and help you decide whether a specimen is worth keeping for competitive formats, Battle Tree play, or collection value.
Ho-Oh has outstanding base stats, including 106 HP, 130 Attack, 90 Defense, 110 Special Attack, 154 Special Defense, and 90 Speed. Those numbers already tell you a lot about its role. It naturally leans toward bulky offense and can run both physical and mixed sets. In Generation 7, however, tiny differences in IV quality still matter. A high Attack IV improves Sacred Fire damage and general offensive pressure. A high Speed IV matters if you want to speed creep other base 90s under favorable conditions. HP and Special Defense IVs are especially valuable if your goal is to maximize switching durability against special attackers. That is why a precise Ho-Oh IV calculator remains relevant even when the game offers rough appraisal labels.
What IVs mean for Ho-Oh in Generation 7
IVs are hidden values from 0 to 31 assigned to each stat. Higher IVs produce higher final stats at the same level, assuming the same base stat, EV investment, and nature. For Ho-Oh, this means two apparently similar catches can perform differently in battle. At level 100 the gap between a 0 IV and a 31 IV in a non HP stat is effectively 31 stat points before nature is applied. For HP, the gap is also substantial. At lower levels, the visible difference is compressed by the formula, which is why calculators often show ranges rather than exact values unless your Pokemon is very high level or multiple observations are available.
- High HP IV improves general survivability and the number of hits Ho-Oh can take.
- High Attack IV strengthens physical sets built around Sacred Fire, Brave Bird, Earthquake, and other coverage.
- High Defense IV helps offset Ho-Oh’s vulnerability to strong physical Rock coverage.
- High Special Attack IV can matter on mixed or surprise sets, though it is often less critical than Attack.
- High Special Defense IV amplifies one of Ho-Oh’s biggest strengths, its natural special bulk.
- High Speed IV can determine whether Ho-Oh outspeeds specific targets in restricted formats or custom rulesets.
How this calculator works
This calculator uses the standard Pokemon stat formulas from the main series games. For HP, the formula is based on base HP, level, IV, and EVs. For all other stats, the formula adds the effect of nature after the initial stat calculation. Since Ho-Oh’s base stats are fixed, the calculator simply checks every possible IV from 0 through 31 for each stat and keeps the values that produce your observed stat total. If exactly one IV fits, the result is exact. If several values fit, the calculator reports a valid range.
That approach is especially important for Ho-Oh in Generation 7 because players do not always inspect their legendary at level 100. A level 60 Ho-Oh may produce multiple valid IVs from a single stat line, particularly if EVs are unknown. The easiest way to tighten the results is to enter the Pokemon immediately after capture before it gains any EVs. That is why this page includes an untouched legendary preset with all EVs set to 0.
Why nature matters so much
A nature changes one non HP stat by 10 percent upward and one by 10 percent downward, except neutral natures. That modifier can shift visible stats enough to alter an inferred IV range. For example, an Adamant Ho-Oh boosts Attack and lowers Special Attack, while a Careful nature boosts Special Defense and lowers Special Attack. If you pick the wrong nature in a calculator, your ranges may be completely wrong for the affected stats. Always verify the exact nature before entering numbers.
Some natures are more popular on Ho-Oh than others because of its stat spread and movepool. Adamant, Jolly, and Careful are frequent points of discussion. Adamant helps maximize immediate physical pressure. Jolly can matter if the format rewards Speed control without compromising too much damage. Careful increases resilience against special attacks, turning Ho-Oh into an even more frustrating wall under favorable support.
| Ho-Oh Base Stat | Value | Competitive Importance | Typical IV Priority |
|---|---|---|---|
| HP | 106 | Supports mixed bulk and repeated switching | Very High |
| Attack | 130 | Primary damage source on common physical sets | Very High |
| Defense | 90 | Useful for surviving neutral physical hits | Medium to High |
| Special Attack | 110 | Relevant on mixed sets, less central on standard physical builds | Medium |
| Special Defense | 154 | One of Ho-Oh’s defining strengths | Very High |
| Speed | 90 | Useful for benchmark based optimization | High |
Interpreting the results from your Ho-Oh IV calculator
When the calculator outputs a range such as 28 to 31, that means all four of those IVs could produce the visible stat you entered under your level, EV, and nature assumptions. An exact result such as 31 means only one IV fits. If you get a very wide range, there are several likely causes. First, the level may be too low for precise inference. Second, the EVs may not actually be zero. Third, the entered nature may be wrong. Fourth, the observed stats might come from a battle format or temporary effect rather than the summary screen. Always use summary screen values and avoid temporary battle modifiers.
- Confirm the Ho-Oh’s level from the summary page.
- Confirm its exact nature.
- Use current stat values from the summary page, not battle values.
- Set EVs to 0 if the Ho-Oh is untouched, or enter custom EVs if trained.
- Recalculate after each correction to narrow your IV ranges.
Fresh catch versus trained Ho-Oh
One of the biggest reasons players get inaccurate results is forgetting that EVs affect final stats. An untouched Ho-Oh is easiest to calculate because every EV can safely be treated as 0. A trained Ho-Oh needs either exact EV data or more cautious interpretation of the range. If you are reviewing a Ho-Oh from another player, the safest route is to ask whether it has battled before, used vitamins, or participated in Poke Pelago training. Even small EV gains can change your inferred IV spread.
| Scenario | EV Assumption | Expected Precision | Best Use Case |
|---|---|---|---|
| Freshly caught legendary | All EVs = 0 | High precision, especially at higher levels | Soft reset hunting and immediate quality checks |
| Lightly used in story or battles | Unknown EVs | Moderate to low precision | General estimation only |
| Fully trained competitive build | Known custom EV spread | High precision if EVs are accurate | Validating a finished set |
| Transferred or traded specimen | Varies | Depends on data quality | Authenticating usefulness before training |
Real stat benchmarks players care about
The key hidden statistic range in Pokemon games is simple and fixed: every IV is an integer from 0 to 31. That means each stat has 32 possible hidden values before level scaling, EVs, and nature are considered. Natures modify one non HP stat by a multiplier of 1.1 or 0.9, while neutral natures keep a multiplier of 1.0. EVs can contribute up to 252 in a single stat, with each 4 EVs translating into 1 effective stat point before level scaling in the formula. Across all stats, the practical total EV cap is 510. Those are the real mathematical boundaries your calculator is working inside.
For Ho-Oh specifically, this means an untouched legendary is the cleanest possible test case. With EVs at 0 and a known level, the only hidden variable left is IV. If your Ho-Oh is level 100, each visible stat gives an especially accurate picture. At lower levels such as 50 or 60, a single visible point can sometimes correspond to multiple IVs, which is why calculators present ranges. Even so, a range like 29 to 31 is usually more than good enough to decide whether a Ho-Oh is strong enough to keep.
Common mistakes when using a Ho-Oh IV calculator for Sun and Moon
- Entering battle modified stats instead of summary screen stats.
- Forgetting that mints do not exist in Generation 7, so nature must be the original nature.
- Assuming EVs are zero when the Pokemon has battled at least once.
- Ignoring level changes that occurred after capture.
- Using a different species base stat profile by mistake.
- Treating Hyper Training as if it changes IV data. It affects battle calculations, not the underlying IV value shown by standard breeding logic.
When to keep, reset, or train your Ho-Oh
A practical player often wants a fast answer: should this Ho-Oh be kept? If your Ho-Oh has excellent Attack, HP, and Special Defense ranges, it is usually worth serious consideration even if one less central stat is mediocre. If your goal is a mixed set, higher Special Attack also becomes more valuable. If your goal is a collection piece, broad high ranges across all six stats can be enough. Perfection is ideal, but utility matters more than theoretical maximums in many actual play environments.
Use this calculator as a decision tool rather than a pure perfection filter. A Ho-Oh with several stats in the 28 to 31 range is often very strong in practice. On the other hand, if your intended build absolutely depends on Speed ties or maximizing Sacred Fire output, then exact 31 values in Speed and Attack may justify additional resets.
Authoritative references for understanding the math behind the tool
While Pokemon specific formulas are game mechanics, the underlying ideas involve probability, hidden variables, and measurement uncertainty. If you want broader background on the type of reasoning used in calculators and data interpretation, these public resources are useful:
- NASA: Sun science overview
- NASA: Moon science overview
- University of California, Berkeley: Statistics glossary
Final strategy advice
The best way to use a Ho-Oh IV calculator in Sun and Moon is to combine careful data entry with realistic goals. Start by checking your Pokemon immediately after obtaining it. Enter the correct level, nature, and observed summary stats. Leave EVs at zero if the Ho-Oh is untouched. Review the range outputs and focus on the stats that matter most to the role you want to play. If your results are still broad, level the Ho-Oh slightly or gather another stat snapshot later, because higher levels tighten the math. Above all, remember that the calculator is not replacing the game. It is translating the game’s hidden numbers into a practical decision making tool.
For collectors, this tool helps identify standout specimens. For competitive players, it saves training time and helps evaluate whether a legendary deserves a full investment. For theory minded trainers, it reveals exactly how base stats, level, EVs, and nature interact. Ho-Oh is one of the franchise’s most iconic legendary Pokemon, and a high quality specimen is worth understanding properly. With the calculator above, you can estimate IVs accurately, visualize the result on a chart, and make a confident decision about whether your Ho-Oh is ready to keep, trade, or reset for something better.