Free everyday calculators
SAS Quick Tools
Everyday decisions often start with a small calculation: what a sale really saves you, how long a savings goal will take, or how many days remain before a deadline. SAS Quick Tools brings those answers together in one place.
Choose from ten free calculators for math, money, time, and measurements. Each has its own page with formulas, worked examples, and practical answers to common questions. No account is needed, and calculator inputs stay in your browser.
Math
Find a percentage, compare two values, or measure an increase or decrease.
Money
Compare sale prices, plan a monthly budget, set a savings target, share a bill, or estimate loan payments.
Discount Calculator
Sale price, amount saved, and optional sales tax.
Budget Calculator
Monthly income versus expenses, with a balance.
Savings Goal Calculator
How many months until you reach a target.
Split Bill Calculator
Share a bill, tip, and extra charges fairly.
Loan Payment Estimator
Estimated monthly payment and total interest.
Time & dates
Find an age, count calendar days, or work out the hours and minutes between two times.
Conversion
Convert length, weight, temperature, and volume between common metric and imperial units.