How Much Cashback Can You Earn With a Crypto Card?

Crypto card cashback is calculated as a percentage of qualifying purchases. Most programs also set a monthly cap, a ceiling on how much you can earn in a single month, regardless of how much you spend. At a 2% rate, $2,000 in qualifying purchases earns $40 before the cap applies. The realistic monthly reward is whichever figure is lower: your spend multiplied by the rate, or the monthly cap. That's the entire model.

The Formula

The calculation runs in two steps.

• First, multiply your monthly qualifying spend by the cashback rate. Spend $2,000 at a 2% rate, and you get $40. At the same 2% rate, $500 in qualifying purchases returns $10.

   

• Second, compare that result with the monthly cap. If the cap is $300 and your calculation produces $40, you receive $40. If your calculation produces $350, you receive $300. The cap kicks in, limiting the reward.

Written out: monthly reward = min(monthly qualifying spend × rate, monthly cap).

The cap is not a separate reward calculation. It is the final limit on the result you already calculated from qualifying spend. A program can advertise an appealing rate, but the rate matters only until the monthly reward reaches that limit. Once it does, extra qualifying purchases do not raise that month's payout.

One more variable matters before the table: not every purchase qualifies. Programs can exclude specific merchant categories, transaction types, or regions. The rate you see advertised applies only to qualifying spend, so your effective qualifying spend is often lower than your total card spend. Keep that in mind when reading the scenarios below. Every figure assumes that 100% of the shown spend is qualifying spend.

Scenario Table: Cashback at Different Spend Levels

The table below shows three illustrative rate-and-cap scenarios side by side at five monthly spend levels. They are 1% with a $100 monthly cap, 2% with a $300 monthly cap, and a hypothetical high-rate example of 5% with a $100 monthly cap. It shows how a higher headline rate can produce a lower payout once the cap is reached. All figures are illustrative scenarios based on the stated rates and caps. They assume 100% qualifying spend.

Cap thresholds are easy to calculate before you compare cards. Divide the monthly cap by the rate, expressed as a decimal. In these examples, the 5% scenario reaches its $100 cap at $2,000 in qualifying spend, while the 2% scenario reaches its $300 cap at $15,000. That threshold indicates when additional spending no longer increases the monthly reward.

The hypothetical 5% card looks attractive at $500/month. At $3,000/month, it hits its $100 cap and stops growing. The illustrative 2%, $300-cap scenario keeps climbing until $15,000/month, where it also caps out. The rate alone doesn't tell you which program pays more. At $3,000/month, the 5% scenario and the 1%, $100-cap scenario both return less than the 2%, $300-cap scenario. That's the cap doing its work. A higher rate and lower cap are common patterns in cashback marketing. The headline number is real. It just stops mattering once you cross the cap threshold.

Annualizing: What This Looks Like Over a Year

Monthly figures are useful for checking the math. Annual figures are more useful for deciding whether a card is worth it. To annualize, multiply the cap-aware monthly result by 12. The monthly spend assumption stays the same throughout. This projection assumes consistent qualifying spend every month, which won't match everyone's reality.

These are illustrative projections, not guarantees of what any specific cardholder will receive. The annual total does not smooth out a monthly cap. It repeats the same cap-aware calculation twelve times. A month with less qualifying spend earns less, and a month that reaches the cap cannot make up for it later. Use the annual figure as a planning estimate, then check it against the way you actually spend. It cannot predict a year of changing spending habits.

Notice what happens at $6,000/month. The hypothetical 5% card is already capped at $1,200/year and remains at that limit regardless of additional spending. The illustrative 2%, $300-cap scenario keeps growing. At $15,000/month, the difference is $2,400 per year, entirely due to the cap structure, not the rate.

For high spenders, the cap can limit earnings before the rate does. At lower spend levels, the percentage has more influence because the cap may not be reached.

What Actually Changes the Math

Three variables shift the outcome meaningfully.

• Qualifying spend. The rate applies only to purchases of the program. Programs can exclude small purchases, specific merchant categories, certain transaction types, or purchases in particular regions. For example, if $200 of a $2,000 monthly total is excluded, calculate the rate against $1,800, not $2,000. Check the program's terms before assuming a purchase earns rewards.

   

• Tier and rate. A higher rate produces more cashback at every spend level below the cap. If you're spending $1,500/month in qualifying purchases, moving from a 1% rate to a 2% rate doubles your monthly reward from $15 to $30, an extra $180 per year at no change in spending behavior.

   

• Fees versus cashback. If accessing a higher-rate tier requires a fee, the break-even calculation needs your realistic qualifying spend, not the advertised percentage. A fee that costs more than the incremental cashback you'd actually earn isn't a net benefit. For example, $180 in additional annual cashback offsets a fee of less than $180. The math works in your favor only once the additional cashback exceeds the fee.

None of these variables is fixed. Qualifying spend shifts as your spending habits change. Tier access can be upgraded. Fees can be offset once the spend crosses a threshold. The formula stays the same; the inputs are yours to adjust.

Try the Math With Your Own Numbers

You only need three inputs to estimate a $2,000 monthly qualifying spend at a 2% rate. Start with your monthly qualifying spend. Be conservative. Exclude categories you know the program doesn't count, and trim any irregular, large purchases that won't repeat. A realistic qualifying spend figure is lower than your total monthly card spend. Multiply that number by the cashback rate. At $2,000 and 2%, the result is $40. Then compare it with the program's monthly cap. The lower figure is your realistic monthly reward. Multiply by 12 for the annual figure.

If you're comparing two programs, run the same calculation for each. The program with the higher rate doesn't always win. A lower cap or stricter exclusions can flip the result at your actual spend level. If a tier charges a fee, subtract it from the projected annual cashback. That's your net annual benefit. If it's negative, the tier doesn't pay for itself at your spend level.