Tip Splitter
Split a bill with tip among any number of people. Per-person breakdown.
5 calculators
Lifestyle Calculators
Tips, fuel, sleep, GPA, and random picks. All calculators are free, instant, and require no signup.
Fuel & Trip Cost Calculator
How much will your road trip cost? Fuel, distance, and efficiency.
Sleep Cycle Calculator
Find the best time to wake up or go to sleep based on 90-min sleep cycles.
GPA Calculator
Calculate your Grade Point Average. Add courses, credits, and grades.
Random Picker
Can't decide? Enter your options and let chance choose for you.