Smart calculators for every financial decision
From charitable giving to mortgages, celebrations to savings—get clarity on life's biggest money choices. Purpose-built tools that give you the right answer in minutes.
⚡ Open instantly
Your financial toolkit
Account Selector
Find the right bank, investment, or credit card.
Expense Roaster
Upload your bank CSV and get roasted.
First 100K War Plan
Monthly targets to hit your first six figures.
Maaser Calculator
Halacha-aware giving in 2 minutes.
Budget Planner
Frum-first monthly plan with buffers.
Simcha Planner
Wedding and bar/bat mitzvah costs mapped.
Home Analyzer
True costs near shuls and schools.
Education Calculator
Tuition, travel, and savings gap per child.
Wealth Timeline
Visualize your investment growth over time.
Negotiation Sheet
Scripts and levers for any vendor or deal.
Car Comparison
Buy vs lease vs finance with all costs.
Summer Money
Turn earnings into daily spending budget.
🚀 Launch in one tap
Quick access to every calculator
Bookmark this page or share: kesefsmart.com/tools
Account Selector
Find the right account for your situation.
100K War Plan
Month-by-month path to your first $100k.
Maaser
Halacha-aware giving in 2 minutes.
Budget
Realistic frum-first monthly plan.
Simcha
Wedding/bar mitzvah budget with buffers.
Negotiation
Scripts and levers for any deal.
Home
True costs near shuls and schools.
Education
Plan tuition, travel, and savings gaps.
Wealth Timeline
Visualize your investment growth over time.
Car Comparison
Buy vs lease vs finance with total costs.
Summer Money
Turn earnings into daily spending budget.
Expense Roaster
Get brutally honest spending feedback.
🌱 Starting out
Build your financial foundation
Set your giving commitments, create a realistic budget, and start building breathing room month to month.
💍 Couples & celebrations
Plan events with confidence
Budget your celebration realistically, negotiate with vendors confidently, and stay aligned with transparent numbers.
🏡 Big life decisions
Model major financial choices
Calculate real costs for tuition, housing, and education with smart assumptions built right in.
Thoughtfully designed
Every calculator includes charitable giving, holiday budgets, tuition, and community expenses—the real costs of life.
Instant clarity
Get answers in minutes, not hours. Simple inputs, clear breakdowns, and actionable next steps.
Works everywhere
Perfect on phones, beautiful on desktop, and printer-ready for sharing with family or advisors.
Plan your simcha from start to finish
1. Anchor giving
Run the Maaser Calculator2. Plan the event
Open the Simcha Planner3. Negotiate smart
Use the Negotiation SheetShare this page with family or vendors—everything is mobile and printable.
Common scenarios, solved in minutes
- House hunting? Run the Home Analyzer before you tour to see true monthly costs.
- Seminary or yeshiva? Model full tuition + flights + living costs upfront.
- Budget feels tight? Rebuild with thoughtful categories that actually fit your life.
Your complete financial toolkit
Twelve powerful calculators designed with your values in mind. Pick what you need and launch instantly—no signup, no hassle.
Account Selector Wizard
Get personalized recommendations for bank accounts, investment accounts, or credit cards based on your goals and timing.
- Answer 3 quick questions for a tailored recommendation.
- Smart timing advice for simchas, Yom Tov, and big purchases.
First 100K War Plan
Build a personal, month-by-month plan to reach your first $100,000 in net worth with clear milestones.
- Sets savings, debt payoff, and income targets from your inputs.
- Flags deadlines and quick wins to keep you on track.
Maaser Calculator
Compute giving obligations with halacha-friendly defaults and a clean breakdown you can print or share.
- Handles gifts, business income, and offsets.
- Shows net obligation after previous giving.
Budget Planner
Create a realistic, frum-budget that balances tuition, kosher food, Shabbos, and savings goals.
- Uses frum-first categories you can tweak.
- Track progress with clear visuals.
Negotiation Cheat Sheet
Walk into any deal prepared with scripts, tradeoffs, and halacha-conscious talking points.
- 30+ categories from simcha vendors to rent.
- BATNA prompts so you keep leverage.
Education Savings Calculator
Model tuition, dorming, and travel for yeshiva or seminary and see what savings gap remains.
- Plan by student with tuition + travel costs.
- Project savings pace and gap to goal.
Wealth Timeline Visualizer
See your financial future in living color. Visualize investment growth, explore risk profiles, and discover the power of compound interest.
- Year-by-year wealth projections with milestone tracking.
- Compare conservative to aggressive investment strategies.
Home Purchase Analyzer
See the full carrying costs of buying near shuls, schools, and community resources.
- Upfront + monthly costs with realistic inputs.
- Compare rent vs buy for your stage.
Simcha Budget Planner
Budget for weddings, bar/bat mitzvahs, or vort prep with buffer lines so you do not overspend.
- Line items built for frum simchos.
- Shareable with family or a planner.
Car Comparison Analyzer
Compare buying, leasing, or financing options with comprehensive cost analysis including insurance, maintenance, gas, and all hidden fees.
- Month-by-month cost tracking with charts and breakdown.
- Factor in insurance, gas, maintenance, and depreciation.
Summer Money Calculator
Turn your summer earnings into a clear daily, weekly, and monthly spending budget. Perfect for students heading to Israel, college, or just managing income wisely.
- Auto-calculates 10% Ma'aser and 10% Future Fund.
- Plan for big purchases and see your exact daily budget.
What tool should we build next?
We're constantly adding new calculators based on your feedback. Tell us what financial decision you're facing and we'll help you solve it.