Tip Calculator
Featured
Calculate tip, total, and per-person amounts for a bill.
- On your device
- No signup
Food topic guide
Best free food and kitchen tools
Free food calculators for tips, bill splitting, recipe scaling, calories, hydration, and unit-price comparisons—no signup.
6 free tools in this guide — pick one below to get started.
Tools in this guide(6)
Open a tool to calculate, convert, or edit — no signup required.
Split Bill Calculator
Featured
Split a restaurant bill evenly with tip and tax.
- On your device
- No signup
Recipe Converter
Featured
Scale recipe ingredients up or down by servings.
- On your device
- No signup
Calorie Calculator
Featured
Estimate daily calorie needs from basic inputs.
- On your device
- No signup
Water Intake Calculator
Featured
Estimate daily water intake recommendations.
- On your device
- No signup
Grocery Unit Price Comparator
Featured
Compare two grocery items by price per ounce, liter, or each.
- On your device
- No signup
Overview
Kitchen and dining tools help with everyday math: splitting a check, scaling a recipe, estimating calories, or comparing grocery unit prices.
Tip Calculator and Split Bill Calculator handle restaurant math. Recipe Converter scales ingredient amounts. Calories Calculator and Water Intake Calculator support basic nutrition planning. Grocery Unit Price Comparator finds the better shelf deal.
Nutrition outputs are estimates—not dietary or medical advice.
How to choose
- Restaurant tip → Tip Calculator.
- Split a check → Split Bill Calculator.
- Resize a recipe → Recipe Converter.
- Daily calories → Calories Calculator.
- Hydration goal → Water Intake Calculator.
- Best grocery value → Grocery Unit Price Comparator.
Frequently asked questions
Are food tools free?
Yes. All are free with no signup required.
Do these run in the browser?
Yes. Calculations happen on your device and are not uploaded.
Are calorie results medical advice?
No. Use as rough planning estimates and consult a professional for dietary needs.
Step-by-step workflows (12)
Multi-step guides that chain tools from this topic—follow numbered steps instead of guessing tool order.
- Build a personal finance planEstimate income, set a budget, plan debt payoff, fund emergencies, and project retirement.6 steps
- Plan credit card payoffCompare payoff timelines, snowball vs avalanche order, and how extra payments change interest.4 steps
- Plan a loan or major purchaseEstimate EMI, compare mortgage scenarios, and run quick percentage math before you borrow.4 steps
- Refinance or buy vs rentEstimate affordability, compare renting to buying, and model refinance savings.3 steps
- Buy a car with confidenceEstimate auto loan payments, compare offers, and check the payment against your budget.3 steps
- Split a restaurant billCalculate tip on the total, then split the check evenly among your table.2 steps
- Send a client invoiceDraft an invoice, assign a reference number, and add sales tax to the total.3 steps
- Track weight metricsEstimate BMI and percent change for wellness screening—not medical advice.2 steps
- Estimate take-home pay and budgetConvert salary or hourly pay to take-home estimates, then build a simple budget.4 steps
- Plan a mortgage payment scheduleCheck affordability, estimate payment, view amortization, then model extra payments.4 steps
- Check retirement contribution readinessModel 401(k) and Roth growth, confirm limits, compare account types, then project retirement needs.5 steps
- Compare contractor vs W-2 payWeigh contractor vs employee offers, estimate paychecks and tax drag, then size an emergency fund.4 steps