Universal Tower DefenseFree Calculators, Expert Guides & Tier Lists 2026
Your ultimate UTD resource hub. Optimize gem spending, discover meta units, and master every game mode with data-driven tools.
5 Active Codes
NEWYEAR26!Ace (Spade)AstralE6
More Tools to Optimize
DPS calculator, trait reroll simulator, summon planner and more tools to perfect your builds.
DPS Calculator
Calculate unit damage with Astral DOT stacking and E-Levels.
- ✓Astral DOT stacking simulation
- ✓E-Level (E0-E6) bonus comparison
- ✓Kapachi debuff & Ninja Hat buff support
Evolution Calculator
Calculate takedowns and time needed to evolve your units.
- ✓Track progress toward evolution requirements
- ✓Compare farming spots efficiency
- ✓Estimate time to complete evolution
Summon Calculator
Calculate pull probabilities and gem costs for unit rarities.
- ✓Understand pity system mechanics
- ✓Compare expected pulls for different rarities
- ✓Maximize summon value with smart planning
Trait Reroll Calculator
Calculate gem costs for trait rerolls and stop wasting resources.
- ✓Calculate expected attempts for target traits
- ✓Know real costs of Ruler (0.1%), Duelist (0.8%)
- ✓Astral 277 pity & Fortunate 125 pity included
Relic Score Calculator
Score and optimize your relic configurations by unit priority.
- ✓Grade relics from D to SSS tier
- ✓Get recommendations for better substats
- ✓Prioritize relic upgrades efficiently
Ethereal Calculator
Calculate total pulls and gems needed for ethereal upgrades.
- ✓Calculate resources for target ethereal levels
- ✓Understand diminishing returns at higher tiers
- ✓Decide when to stop ethereal investments
SJW Mana Simulator
Calculate Shadow Legion casts, soldiers, and army DPS.
- ✓Simulate Mana generation from kills
- ✓Calculate total soldiers per fight
- ✓Compare E-Level soldier inheritance
VR Mode Simulator
Plan your Virtual Realm cards and team composition.
- ✓Fortune card double placement calculation
- ✓Path selection (Magician, Warrior, etc.)
- ✓Card stacking bonus preview
Crit Rate Calculator
Understand how crit rate stacks multiplicatively in UTD.
- ✓Learn multiplicative crit rate mechanics
- ✓Calculate true crit chance from multiple sources
- ✓Optimize crit builds for maximum effectiveness
Economy Calculator
Calculate Speed Cart income, break-even point and profit.
- ✓Optimize upgrade and ethereal investment
- ✓Find break-even wave for any setup
- ✓Maximize income with Fortunate trait
DPS Calculator
Calculate unit damage with Astral DOT stacking and E-Levels.
- ✓Astral DOT stacking simulation
- ✓E-Level (E0-E6) bonus comparison
- ✓Kapachi debuff & Ninja Hat buff support
Evolution Calculator
Calculate takedowns and time needed to evolve your units.
- ✓Track progress toward evolution requirements
- ✓Compare farming spots efficiency
- ✓Estimate time to complete evolution
Summon Calculator
Calculate pull probabilities and gem costs for unit rarities.
- ✓Understand pity system mechanics
- ✓Compare expected pulls for different rarities
- ✓Maximize summon value with smart planning
Trait Reroll Calculator
Calculate gem costs for trait rerolls and stop wasting resources.
- ✓Calculate expected attempts for target traits
- ✓Know real costs of Ruler (0.1%), Duelist (0.8%)
- ✓Astral 277 pity & Fortunate 125 pity included
Relic Score Calculator
Score and optimize your relic configurations by unit priority.
- ✓Grade relics from D to SSS tier
- ✓Get recommendations for better substats
- ✓Prioritize relic upgrades efficiently
Ethereal Calculator
Calculate total pulls and gems needed for ethereal upgrades.
- ✓Calculate resources for target ethereal levels
- ✓Understand diminishing returns at higher tiers
- ✓Decide when to stop ethereal investments
SJW Mana Simulator
Calculate Shadow Legion casts, soldiers, and army DPS.
- ✓Simulate Mana generation from kills
- ✓Calculate total soldiers per fight
- ✓Compare E-Level soldier inheritance
VR Mode Simulator
Plan your Virtual Realm cards and team composition.
- ✓Fortune card double placement calculation
- ✓Path selection (Magician, Warrior, etc.)
- ✓Card stacking bonus preview
Crit Rate Calculator
Understand how crit rate stacks multiplicatively in UTD.
- ✓Learn multiplicative crit rate mechanics
- ✓Calculate true crit chance from multiple sources
- ✓Optimize crit builds for maximum effectiveness
Economy Calculator
Calculate Speed Cart income, break-even point and profit.
- ✓Optimize upgrade and ethereal investment
- ✓Find break-even wave for any setup
- ✓Maximize income with Fortunate trait
Guides
Master Universal Tower Defense with comprehensive guides for beginners to endgame strategies.
Tier Lists
Don't waste gems on weak units. Check rankings by game mode.
Database
Complete data reference for units, traits, relics, and redeem codes.
Active Codes
Get free cash and boosts instantly. Updated regularly.
Featured Video Guides
Watch complete tutorials from top Roblox creators
Why Players Trust Our Universal Tower Defense Calculator
Join thousands of players who use our Universal Tower Defense calculator and Universal Tower Defense guides to optimize builds and dominate every game mode.
Always Updated
Data synced with latest game patches. Never outdated info.
Accurate Calculations
Precise formulas tested by pro players and verified.
Community Driven
Built with feedback from active players and creators.
100% Free
All tools and guides completely free. No hidden costs.
How to Optimize Your UTD Gameplay
Master the game in 3 simple steps using our free Universal Tower Defense calculator and expert Universal Tower Defense guides.
Use Our Calculator
Use our Universal Tower Defense calculator for Trait Reroll to estimate gem costs for Ruler (0.1%), Duelist (0.8%), and other traits. Stop wasting gems on blind rerolls.
Pick Meta Units
Check our Tier Lists to find the best units for Story, Infinite, and Virtual Realm. Invest in Sun Jin Wu, Berserker, and Kyito.
Read Our Guides
Master the game with our Universal Tower Defense guides — curated summaries of top strategies. Learn progression paths, F2P tips, and endgame tactics faster than video.
📊 Data Credibility & Sources
All data on this site is sourced from verifiable origins and marked with confidence levels:
Game screenshots, developer posts
Trusted media (VG247, RobloxDen)
Player testing, video guides
Each calculator and data table shows its source, verification date, and confidence level. We do not display unverified speculation or community trading prices.
Ready to Maximize Your UTD Strategy?
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