Tip51 is a smart tip calculator designed specifically for savvy diners who want to maximize their credit card reward points. When the bill arrives, simply enter the amount into the calculator. The app calculates a range of tip amounts that bring the total payment amount to end in .51 cents. This provides you with the most value from your credit rewards program.

For those who earn reward points for dining expenses, this calculator is an invaluable tool. Since card companies round up to the nearest point, maximizing your points potential is all in the cents. By ensuring your dining expenses end in .51 cents, you can earn more points per dollar. Imagine having your total bill end in .49 or .50 cents - you're missing out on that value. This calculator takes the guesswork out of tipping and ensures every dine-out experience is earning the most possible points. Whether it's a casual dinner, a business expense, or a big group outing, get the most points from your spending with Tip51.