3% Cash Back Calculator: Estimate Three Percent Earnings

Quick Overview
- Earning 3% cash back means you'll receive 3 cents back for every $1 spent, so if you spend $100, you'd get $3 in cash back.
- To calculate 3% cash back, multiply the purchase amount by 0.03. For example, 3% cash back on a $1,000 purchase is $1,000 x 0.03, which equals $30.
Use our 3% cash back calculator to quickly find out how much cash back you'll earn on any dollar amount at a 3% rate.
What is 3% cash back?
"3% cash back" means you earn 3 cents for every dollar spent on eligible purchases. For instance, if you spend $100 on a qualifying purchase, you’ll receive $3 in cash back rewards.
This rate is often offered on premium credit cards for specific spending categories such as dining, travel, or groceries. Over time, these rewards can add up, providing a valuable way to save on everyday expenses.
How do you calculate 3% cash back?
To calculate 3% cash back, start by identifying the total amount of your eligible purchase. Multiply this amount by 0.03 (the decimal form of 3%) to determine the cash back you’ll earn.
For example, if you spend $200 on a purchase that qualifies for 3% cash back, you would calculate $200 x 0.03, resulting in $6 in cash back rewards. This method applies to each eligible transaction, so the more you spend, the more cash back you’ll accumulate.
Rakuten Rewards is a free cash back portal that lets you earn up to 10% cash back (or more) when shopping online. Stack your savings by combining Rakuten cash back with existing discounts and rewards from your favorite retailers.
It’s easy to sign up and use, making it a win-win for any online shopper!
3% cash back calculator
Use this calculator to see how much 3% cash back will earn you. Common for bonus categories like dining, gas, and drugstores, this tool helps you break down your expected returns in seconds.
Calculator: How much is 3% cash back?
Total Cash Back: | $3.00 |
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3% cash back amounts
The table below lists the amounts for 3% cash back for several denominations.
Dollar amount | 3% cash back |
---|---|
$100 | $3.00 |
$200 | $6.00 |
$300 | $9.00 |
$400 | $12.00 |
$500 | $15.00 |
$600 | $18.00 |
$700 | $21.00 |
$800 | $24.00 |
$900 | $27.00 |
$1,000 | $30.00 |
$1,200 | $36.00 |
$1,400 | $42.00 |
$2,000 | $60.00 |
$5,000 | $150.00 |
$10,000 | $300.00 |
$100,000 | $3,000.00 |
$200,000 | $6,000.00 |
What's the best 3% cash back card?
There are a handful of credit cards that earn either 3% cash back or a 3% return on specific categories. Here are a few of those cards:
- Blue Cash Everyday® Card from American Express:
Earns 3% cash back on U.S. supermarket, U.S. online retail, and U.S. gas station purchases, on up to $6K in purchases per year for each category. No annual fee.
- Capital One Savor Cash Rewards Credit Card:
Earns 3% cash back on dining, entertainment, popular streaming services and at grocery stores. No annual fee.
- Citi Strata Premier℠ Card:
Earns an unlimited 3X points at restaurants, supermarkets, gas stations, hotels, air travel, and on electronic vehicle charging stations. Equal to a 3% return towards travel.
- Upgrade Triple Cash Rewards Visa Card:
Earns 3% cash back on home, auto, and health purchases.
We've run the calculations and checked them twice — here are the credit cards that consistently provide outstanding value to our users:
- Best flexible travel card: Capital One Venture Rewards Credit Card
- Best for high cash back: Blue Cash Preferred® Card from American Express
- Best for foodies: American Express® Gold Card
- Best for business travel rewards: Ink Business Preferred® Credit Card
- Best for heavy business spenders: Capital One Spark Cash Plus

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Learn moreCash Back Calculators & Guides
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1% Cash Back Calculator
Use this 1% cash back calculator to see how much you'll earn on any purchase. Instantly calculate one percent back on your spend — fast and easy. -
1.5% Cash Back Calculator
Estimate your 1.5% cash back with this interactive calculator. Quickly see how much one and a half percent of your spending earns in rewards. -
2% Cash Back Calculator
Instantly calculate 2% cash back on any purchase. Use this calculator to find out how much you earn with a 2 percent rewards rate. -
3% Cash Back Calculator
Use our 3% cash back calculator to determine how much you'll earn on any amount. Easily estimate three percent rewards on your purchases. -
4% Cash Back Calculator
Easily calculate 4% cash back on your purchases. Use this calculator to see how much four percent rewards add up to for any spend level. -
5% Cash Back Calculator
Use this interactive 5% cash back calculator to find out how much you’ll earn on any purchase amount. Instantly calculate your 5% rewards. -
10% Cash Back Calculator
Use this 10% cashback calculator to estimate how much you’ll earn from high-value offers or promos. Quickly calculate 10 percent of any purchase. -
Percent Off Calculator
Use this percent off calculator to determine the discounted price of any item. Calculate single or stacked percent-off deals with optional sales tax included.