DevEx Calculator

How to use it and how it works

What this tool Does?

The DevEx Calculator converts Robux to USD using the current Developer Exchange (DevEx) rate. You type an amount of Robux and the tool returns the cash payout you’d receive through Roblox’s DevEx program. It’s built for speed, uses only system fonts, and rounds to cents so totals look like a real payment amount.

Core entities and terms: Roblox, Robux, USD, Developer Exchange, DevEx rate, Robux to dollars, payout, conversion, rounding, available Robux, pending Robux, marketplace fee, tax, group funds, Premium Payouts.

How to use the DevEx Calculator

1. Enter Robux
   In the input, type the Robux balance you can withdraw (your available Robux, not the pending amount).
2. Read the result
   The big number shows Amount in USD. The line under it repeats the math so you can check the calculation.
3. Change the rate if Roblox updates it
   The tool’s default is $0.0035 per Robux. If Roblox changes the official DevEx rate, edit the constant in the code: const USD_PER_ROBUX = 0.0035; That instantly updates all results.
4. Use whole numbers
   Robux is an integer currency. The calculator accepts whole numbers and returns a dollar amount rounded to the nearest cent.

How it works under the hood

The formula?

The DevEx payout is a simple linear conversion:

payout_usd = robux × devex_rate

With the default rate:

payout_usd = robux × 0.0035

The tool multiplies your input by the rate and rounds to two decimals:

• Multiply Robux by 0.0035
• Round to cents: Math.round(result × 100) / 100
• Format with a currency formatter for a clean result like $35.00

Example conversions

• 10,000 Robux → $35.00
• 50,000 Robux → $175.00
• 100,000 Robux → $350.00
• 1,000,000 Robux → $3,500.00

What about the “Roblox tax” or marketplace fee

That fee is separate from DevEx. The 30 percent marketplace fee applies when Robux is earned (on sales of game passes, UGC, private servers, etc.). DevEx then converts your available Robux after any platform fees into USD at the DevEx rate.
Use the Robux Tax Calculator to estimate the fee on sales. Use the DevEx Calculator to estimate the cash withdrawal from your Robux balance.

Best practices for accurate results

• Use “Available Robux,” not “Pending Robux.” Pending amounts have not cleared yet, so they are not withdrawable.
• Confirm the latest DevEx rate. If Roblox announces a rate change, update the single rate constant in the snippet.
• Keep results realistic. The tool shows a conversion, but actual withdrawals must meet DevEx eligibility (age, identity, tax details, account standing, and minimum balance set by Roblox).
• Remember currency and fees outside Roblox. Your payment provider or bank may apply exchange fees or holds. The calculator focuses on the Robux→USD conversion only.

When to use the DevEx Calculator vs the Robux Tax Calculator

• DevEx Calculator: You already have Robux and want to know how much cash you’ll receive.
• Robux Tax/Marketplace Calculator: You’re pricing a pass or UGC item and want to know how many Robux you’ll keep after the 30 percent platform fee, or how much to charge to net a target amount of Robux.

Using both gives a full picture: set your price with the marketplace tool, track earnings inside Roblox, then estimate the payout with this DevEx calculator once funds are available.

Quick step-by-step walkthrough

1. Open the tool on your site.
2. Look at your Available Robux in Roblox (account or group funds).
3. Type that number into the field labeled Enter Robux Amount.
4. Instantly see Amount in USD.
5. If you’re planning, test different balances (e.g., 30k, 100k, 250k) to see future payouts.
6. If Roblox updates the rate, change USD_PER_ROBUX in the snippet and recheck the totals.

FAQS

Does the calculator include bank or provider fees?

No. It converts Robux to USD using the DevEx rate only. Any external payment fees are outside Roblox and vary by region and method.

Do I need to subtract the 30 percent marketplace fee here?

No. That fee happens on the earn side. DevEx converts whatever Robux you have available at the DevEx rate.

Is the payout capped?

Roblox sets eligibility rules and minimums/maximums for withdrawals. Those rules can change. The calculator focuses purely on the currency conversion.

Can I use decimals for Robux?

Robux is an integer currency. The tool rounds your input down to the nearest whole Robux for consistency.