Uma Musume Affinity Calculator

Uma Musume Affinity Formula:

Variables:

• F (Final Affinity Score): The total Bond/Affinity points achieved by the end of the training period.
• P (Starting Base Affinity): The initial affinity points earned from card events or passive bonuses at the start.
• Q (Total Training Turns): The number of times you train with a specific support card, increasing the bond.
• V (Avg. Affinity Gain per Turn): The estimated average number of affinity points gained from each training session or interaction.

Related Calculators:

• Training Efficiency Calculator
• Stat Cap Prediction Tool
• Inheritance Success Rate Estimator
• Fan Count Goal Calculator

What is Uma Musume Affinity?

Affinity, or Bond (Kizuna), in Uma Musume Pretty Derby is a crucial mechanic that measures the relationship level between the player’s Uma Musume and a Support Card character. When the affinity gauge fills up (typically to 80 or 100 points), the Support Card’s character gains a high “rainbow” bonus, offering significantly better training statistics and skill acquisition chance.

Maximizing affinity as quickly as possible is key to a successful training run. Affinity is gained primarily through successful training sessions where the corresponding support card is present, through character-specific events, and sometimes through pre-run bonuses. The required affinity points for the max bonus can vary depending on the rarity and type of the Support Card.

How to Calculate Required Training Turns (Example):

Let’s find how many training turns (Q) are needed to reach the max affinity of 80 points:

1. Final Affinity Score (F): 80 points (Target)
2. Starting Base Affinity (P): 20 points
3. Avg. Affinity Gain per Turn (V): 3 points

The formula for Total Training Turns (Q) is: $$Q = (F – P) / V$$

1. Calculate Total Affinity Needed from Turns: $F – P = 80 – 20 = 60$ points.
2. Divide by Avg. Gain per Turn: $60 / 3 = 20$ turns.
3. Required Total Training Turns (Q) is **20**.

Frequently Asked Questions (FAQ):

What is the maximum Affinity Score (F)?

The maximum affinity score required to unlock the full “rainbow” training bonus is typically 80 for most Support Cards, although some may require 100 depending on their rarity and event chain. Players always aim to hit this cap quickly.

What contributes to the Avg. Affinity Gain per Turn (V)?

The gain (V) is usually fixed per training session (often 2-4 points) but can be boosted by Friendship Gauge increases, certain inherited traits, and specific ability effects on the Support Card itself. The average simplifies the stochastic gains in the game.

Why is reaching max affinity important in Uma Musume?

Reaching max affinity is critical because it activates the card’s Friendship Training bonus, which dramatically increases the stats gained from that specific training type (e.g., Speed or Stamina), and often boosts the skill hint level received.

Can the Starting Base Affinity (P) be zero?

Yes, if the Support Card has no initial event or passive ability that grants affinity at the very start of the training scenario, the base affinity (P) is 0.