Calculate the tip amount and total bill per person. Customize tip percentage and split among any number of people. Everything runs locally in your browser — nothing is uploaded.
Calculate total price including sales tax. Enter the pre-tax amount and tax rate to see the exact tax amount and final total. Everything runs locally in your browser — nothing is uploaded.
Calculate monthly car loan payments, total interest, and total cost. Enter loan amount, rate, and term for a complete auto financing picture. Everything runs locally in your browser — nothing is uploaded.
Calculate monthly mortgage payments with amortization schedule. Enter loan amount, interest rate, and term to see total interest paid. Everything runs locally in your browser — nothing is uploaded.
Computes percentage values, percentage increases and decreases, and what-percent-of-what relationships with precise decimal arithmetic. Essential for everyday math — tips, discounts, tax rates, grade scores, and statistical comparisons where quick percentage answers are needed.
Computes cost per mille (CPM) — the cost advertisers pay per 1,000 ad impressions. Includes platform presets for YouTube, Twitch, Facebook, Instagram, TikTok, Twitter, and LinkedIn with average rates, plus RPM (revenue per mille) calculation for creators.
Enter the bill amount, select a tip percentage, and specify how many people are splitting. The calculator shows the tip amount, total bill, and per-person amount including both bill and tip.
Common presets: 10%, 15%, 18%, 20%, 25%. You can also enter any custom percentage for specific situations like buffets (10%) or exceptional service (25%+).
The calculator shows exact amounts. You can manually round up the per-person figure to make splitting easier — the extra goes toward a larger tip.
Yes. Split among any number of people. The calculator handles the arithmetic whether it's 2 people or 20.
No. All calculations run locally in your browser. No bill amounts or tip data are transmitted.
Sales Tax Calculator
Calculate total price including sales tax. Enter the pre-tax amount and tax rate to see the exact tax amount and final total. Everything runs locally in your browser — nothing is uploaded.
Discount Calculator
Calculate savings and final price after a percentage discount. Perfect for shopping, sales, and budget planning. Everything runs locally in your browser — nothing is uploaded.