Financial Calculators
Plan your finances with confidence
Mortgage Calculator
Monthly payment breakdown, amortization table, LTV ratio, and PMI warning.
Financial
Home Affordability Calculator
How much house can you afford? Instant results using the 28/36 rule with your income and debts.
Financial
Loan Calculator
Monthly payments, total interest, and payoff date for personal, auto, or student loans.
Financial
Debt Payoff Calculator
Avalanche vs snowball method compared. See how fast you can become debt-free and how much interest you save.
Financial
Compound Interest
See investment growth over time with optional monthly contributions and visual chart.
Financial
Real Estate & Specialty
Property income & veteran benefits
VA Disability Calculator
Combined VA rating and monthly tax-free compensation using the VA whole-person method.
Financial
House Hacking Calculator
How much rental income offsets your mortgage when you rent rooms or units in your home.
Financial
Rental Cash Flow Calculator
Monthly cash flow, cap rate, cash-on-cash return, and GRM for any rental property.
Financial
Airbnb ROI Calculator
Annual revenue, net profit, and net yield for your short-term rental property.
Financial
Turo Earnings Calculator
Monthly net profit from renting your car on Turo after fees, depreciation, and maintenance.
Financial
Section 8 Calculator
Estimate HAP payment and tenant portion for Housing Choice Voucher (HCV) rentals.
Financial
Income Calculators
Understand your real take-home pay
Tax Bracket Calculator 2026
See your federal income tax bracket, effective rate, and exact taxes owed with full bracket breakdown.
Income
1099 vs W2 Calculator
True take-home comparison: contractor vs employee, including SE tax, benefits, and deductions.
Income
After-Tax Paycheck Calculator
Exact take-home pay per paycheck after federal, state, FICA, and pre-tax deductions.
Income
Bi-Weekly vs Monthly Pay
Compare pay schedules side by side — including the 3-paycheck bonus months.
Income
Health Calculators
Know your numbers
BMI Calculator
Body Mass Index using WHO/CDC standards. Visual scale, healthy weight range.
Health
Ideal Weight Calculator
Your healthy weight range using 5 scientific formulas — Hamwi, Devine, Robinson, Miller, and BMI range.
Health
Calorie Calculator
BMR, TDEE, and daily calories for your goal using the Mifflin-St Jeor equation.
Health
Pregnancy Calculator
Due date, current week, trimester, and key milestones from LMP, conception, or due date.
Health
Lifestyle Calculators
Fitness, nutrition & wellness
Sleep Calculator
Best bedtime or wake-up time based on 90-minute sleep cycles — wake up refreshed, not groggy.
Lifestyle
Calorie Deficit Calculator
Daily calorie target for safe weight loss with weekly and monthly projection.
Lifestyle
Cutting & Bulking Calculator
Precise calorie and macro targets for your cut or bulk phase based on TDEE and body fat.
Lifestyle
Protein Intake Calculator
Daily protein target based on weight, activity, and goal — with food source examples.
Lifestyle
Steps to Calories Calculator
Convert daily steps to calories burned based on your weight, height, and walking pace.
Lifestyle
Math & Utility Calculators
Everyday calculations made easy
NEW
Time Zone Calculator
Convert times between 40+ time zones. Live world clock, meeting planner, and DST-aware conversions.
Math
Percentage Calculator
Three modes: find X% of Y, what percent X is of Y, and percentage change.
Math
Tip Calculator
Tip amount, total bill, and per-person split with rounding options.
Math
Metric & Imperial Conversions
Convert between any units instantly
AI Calculators
Tools for AI developers & product teams
Token Utilization Calculator
Estimate token count and context window usage across Claude, GPT, and Gemini models.
AI Tools
AI API Cost Calculator
Compare API costs across all major AI providers. Monthly cost estimates for any usage pattern.
AI Tools
AI ROI Calculator
Calculate return on investment for AI implementations — labor savings, productivity gains, revenue impact, and payback period.
AI Tools
AI Subscription ROI Calculator
Is ChatGPT Plus, Claude Pro, or Copilot worth it? Enter your hourly rate and time saved to see exact ROI.
AI Tools
RAG Pipeline Cost Calculator
Estimate the full cost of your RAG system — embedding, vector DB, retrieval, reranking, and LLM inference per query.
AI Tools
LLM Margin Calculator
Calculate gross margin on your AI product. Find your break-even price, margin per query, and pricing sensitivity.
AI Tools