Roblox Utilities
Calculate Robux, tax, and DevEx like a pro.
ToolBLX gives you fast, accurate Roblox calculators and utilities. Work out how much Robux you actually keep after tax, see DevEx estimates, convert Robux to USD in seconds and so much more.
Listing price
1,000 R$
Roblox tax
-300 R$
You take home
700 R$
Featured Roblox calculators
Roblox Tax Calculator
See how much Robux you keep after marketplace fees.
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DevEx Calculator
Estimate real–world payouts from your Robux.
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Robux to USD Converter
Convert between Robux and USD in both directions.
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Limited Item Profit Calculator
Flip limiteds: see net profit after tax and your break-even price.
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Group Payout Split Calculator
Split group funds between members equally or by custom percentages.
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Pathfinding Cost Calculator
Estimate server load from NPC pathfinding and tune your NPC counts.
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Limited Sniping ROI Calculator
Check if a snipe is actually worth it after Roblox tax and your target ROI.
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Robux Spending Estimator
For parents: estimate monthly and yearly Roblox spend and see if it’s low, typical, or high.
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Roblox Premium Value Calculator
Compare Roblox Premium to one-off Robux purchases and see if it actually saves money.
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Roblox Parental Controls Wizard
Create a safe Roblox setup based on your child’s age, play style, and safety level.
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Roblox Game Spend Checker
Paste a Roblox game and see how aggressive its monetisation and upsell pressure might feel for kids.
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FAQ – how ToolBLX works
Is this official or affiliated with Roblox?
No. ToolBLX is a fan-made toolset built by Roblox players for Roblox players. It is not endorsed by or affiliated with Roblox Corporation in any way.
Are the calculations accurate?
The formulas are based on commonly known Roblox tax and DevEx rates. They are estimates only, so always check the latest info in the official Roblox documentation or DevEx portal.