Robux calculator
Convert Robux to dollars and back, and price a gamepass so you actually receive what you meant to after Roblox's 30% cut.
Costs to buy
$12.87
Cheapest stack of official web tiers
Worth via DevEx
$3.50
Below the 30,000 R$ cash-out minimum
How much is Robux worth?
Robux has two different values depending on which direction you’re going, and confusing them is the source of most of the bad maths on this subject.
- Buying: roughly $0.0125 per Robux at the common tiers, dropping to about $0.0089 at the largest pack.
- Cashing out: a flat $0.0035 per Robux through the Developer Exchange, and only if you qualify.
The gap between those two numbers is deliberate. Robux is a one-way currency for almost everyone — it exists to be spent inside Roblox, not converted back.
Robux to USD reference table
What each common amount costs to buy, what it’s worth at DevEx rates, and what you’d have to list a gamepass at to receive it.
| Robux | Costs to buy | DevEx value | Gamepass price to receive it |
|---|---|---|---|
| 100 R$ | $1.98 | — | 143 R$ |
| 400 R$ | $4.95 | — | 572 R$ |
| 800 R$ | $9.90 | — | 1,143 R$ |
| 1,000 R$ | $12.87 | — | 1,429 R$ |
| 1,700 R$ | $19.99 | — | 2,429 R$ |
| 2,000 R$ | $23.95 | — | 2,858 R$ |
| 4,500 R$ | $49.99 | — | 6,429 R$ |
| 5,000 R$ | $56.92 | — | 7,143 R$ |
| 10,000 R$ | $99.99 | — | 14,286 R$ |
| 25,000 R$ | $229.88 | — | 35,715 R$ |
| 100,000 R$ | $899.95 | $350.00 | 142,858 R$ |
DevEx values are shown only above the 30,000 R$ cash-out minimum. “Costs to buy” is the genuinely cheapest combination of packs, which is sometimes several small ones rather than a single large pack.
Official Roblox purchase tiers
These are the web prices. Buying inside the iOS or Android app costs more, because the app store takes its own cut on top.
| Pack | Price | Per Robux |
|---|---|---|
| 80 R$ | $0.99 | $0.0124 |
| 400 R$ | $4.99 | $0.0125 |
| 800 R$ | $9.99 | $0.0125 |
| 1,700 R$ | $19.99 | $0.0118 |
| 4,500 R$ | $49.99 | $0.0111 |
| 10,000 R$ | $99.99 | $0.0100 |
| 22,500 R$ | $199.99 | $0.0089 |
Roblox Premium stipends
Premium gives a monthly Robux stipend on top of a 10% bonus on anything you buy, plus the ability to sell on the marketplace.
| Plan | Monthly cost | Per Robux |
|---|---|---|
| Premium 450 | $4.99 | $0.0111 |
| Premium 1000 | $9.99 | $0.0100 |
| Premium 2200 | $19.99 | $0.0091 |
The gamepass 30% cut, explained
Every marketplace sale on Roblox is subject to a 30% fee, so the seller keeps 70%. The trap is that reversing a 30% fee is not the same as adding 30%:
- A gamepass listed at 1,000 R$ pays out 700 R$.
- To receive 1,000 R$ you must list at 1,429 R$ — 1,000 ÷ 0.7, rounded up.
This is exactly the calculation behind Survey.GG gamepass withdrawals. When you cash out we compute the marked-up price for you and buy the pass at that price, so the Robux that lands in your account is the full amount you asked for. The mechanics are on the withdrawal page.
Earning Robux instead of buying it
If the prices above are the reason you’re on this page, the alternative is earning it. Completing surveys and offers on Survey.GG pays out in Robux delivered by exactly the gamepass mechanism described above — no purchase, no password, no fee on our side. The free Robux guide compares that against every other method, honestly, including the ones that don’t work.
Frequently asked questions
Earn the Robux instead of buying it
Same gamepass delivery, minus the price tag. Free to join.