Calculators
Rates are configurable because Roblox changes them; the defaults are the commonly cited published values, not live figures.
Robux → USD (DevEx)
What a Robux balance cashes out to
Payout$350.00
Marketplace cut
What you keep from one sale
You keepR$ 70
Roblox takesR$ 30
Sales → take-home
Gross sales through the fee and DevEx
GrossR$ 100,000
Net RobuxR$ 70,000
Net USD$245.00
Average session length
The same derivation used on game pages: (avg CCU × 1440) ÷ daily visits
Avg session28.8m