CalcFleet Calculators
Financial calculators for mortgages, debt, savings, loans, taxes, and small business planning
Collection of 40+ free calculators covering mortgages, debt payoff, savings goals, car loans, rent vs buy, student loans, FIRE planning, take-home pay, TDEE, running pace, and small business metrics like break-even and CAC.
Try asking Muse: "Calculate how much extra I need to pay monthly to pay off my mortgage five years early"
Source: Found in the official MCP Registry (com.calcfleet/calculators) · First listed September 24, 2026
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Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1040ms. Worked in 100% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 40
mortgage_overpayment_calculatorMortgage Overpayment Calculator — See exactly how much interest and time you save by overpaying your mortgage. Instant amortization schedule plus a clear breakdown of the months you save.debt_payoff_calculatorDebt Payoff Calculator: Avalanche vs Snowball — Compare the avalanche and snowball debt payoff strategies side by side. See how much interest you save and how many months sooner you'll be debt-free.freelance_hourly_rate_calculatorFreelance Hourly Rate Calculator — Calculate your freelance hourly rate accounting for taxes, business expenses, and a profit margin. Find out exactly what to charge to hit your income goal.compound_interest_calculatorCompound Interest Calculator — Calculate compound interest with monthly contributions. See your balance grow year by year and discover exactly how much of your final balance is pure interest. Supports Verifiable Calculation Certificates: pass certify=true to also receive a signedsavings_goal_calculatorSavings Goal Calculator — Calculate the monthly savings you need to reach any goal. Input your target, current balance, annual rate, and years to see your required monthly contribution.car_loan_calculatorCar Loan Calculator with Sales Tax and Trade-In — Calculate your exact monthly car payment including sales tax and trade-in. View your full amortization schedule, total interest paid, and cost of ownership.break_even_calculatorBreak-Even Point Calculator — Calculate your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and price to see exactly when your business turns profitable.margin_markup_calculatorMargin and Markup Calculator — Calculate gross profit, margin percentage, and markup percentage instantly. Enter cost and price to see the right number for your business pricing strategy.rent_vs_buy_calculatorRent vs Buy Calculator — Compare renting vs buying over any timeline. See which builds more wealth, when break-even hits, and how appreciation and rent increases tip the balance.fire_calculatorFIRE Calculator: When Can You Retire Early? — Calculate your FIRE number and years to early retirement. Enter current savings, annual expenses, and expected return rate to reach financial independence.take_home_pay_calculatorTake-Home Pay Calculator (US) — Estimate your US take-home pay for 2026. Enter gross salary and filing status to see federal income tax, Social Security, Medicare, and monthly net income.student_loan_calculatorStudent Loan Payoff Calculator — See exactly how many months until you pay off your student loans, how much extra payments save in interest, and whether refinancing makes financial sense.apy_calculatorAPY Calculator: APR to APY Conversion — Convert your nominal rate (APR) to APY instantly. See how compounding frequency—daily, monthly, or quarterly—affects your true annual yield and final balance.roi_calculatorROI Calculator with Annualized Return — Calculate ROI and annualized return on any investment. Add fees and costs to see true net gain and the real annual growth rate behind the headline number.loan_amortization_calculatorLoan Amortization Calculator — Get your full loan amortization schedule instantly. See how each payment splits between interest and principal, and how extra payments cut total interest paid.paint_calculatorPaint Calculator: How Much Paint Do I Need? — Calculate exactly how much paint you need for any room. Enter room dimensions, number of coats, doors, windows, and paint coverage to get total liters and cans.mortgage_refinance_calculatorMortgage Refinance Calculator — Find out if refinancing your mortgage is worth it. Compare monthly payments, see when you break even, and spot if a lower rate actually costs more overall.tdee_calculatorTDEE Calculator: Daily Calorie Needs — Calculate your Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor formula. Find your daily calorie needs for fat loss, maintenance, or muscle gain.macro_calculatorMacro Calculator: Protein, Carbs and Fat Targets — Calculate your daily protein, carb, and fat targets from your calorie goal. Choose a preset split or customize macros for your fitness or body-composition plan.running_pace_calculatorRunning Pace Calculator with Race Predictions — Calculate your per-km and per-mile running pace from any distance and time. Get predicted finish times for 5K, 10K, half marathon, and marathon, plus splits.rent_affordability_calculatorRent Affordability Calculator — Find out how much rent you can afford using the 30% rule, 50/30/20 budget, and a cashflow stress test. All three caps side by side so you see the trade-offs.closing_cost_calculatorMortgage Closing Cost Estimator — Estimate US mortgage closing costs before you buy. See itemized origination, appraisal, title, and prepaid fees with typical ranges and cash to close.mortgage_points_calculatorMortgage Discount Points Break-Even Calculator — Find out if buying mortgage discount points is worth it. See the break-even month and net gain over your planned hold period. Points lose if you sell early.home_affordability_calculatorHome Affordability Calculator — Find out how much house you can afford using the 28/36 DTI rule. Enter income, rate, and debts to get your max loan, price, and a DTI scenarios table. Supports Verifiable Calculation Certificates: pass certify=true to also receive a signed, independown_payment_calculatorDown Payment Calculator with PMI Threshold — Calculate your down payment amount, loan size, and PMI status instantly. See the dollar gap to 20% equity and compare multiple down payment scenarios.mortgage_piti_calculatorMortgage PITI Calculator — Calculate your full monthly PITI mortgage payment—principal, interest, property taxes, homeowners insurance, and PMI. Full amortization schedule included.balance_transfer_calculatorBalance Transfer Calculator — See how much a 0% balance transfer saves vs staying on your current APR. Enter the fee, promo months, and planned payment to find out if it is worth it.heloc_calculatorHELOC Payment Calculator (Draw + Repayment) — Calculate your HELOC draw and repayment payments. See the payment shock when interest-only switches to fully amortized, plus total interest across both phases.debt_consolidation_calculatorDebt Consolidation Calculator — See how your current debts compare against one new consolidation loan. A lower rate with a longer term can still cost you more — see the true lifetime numbers.credit_card_payoff_calculatorCredit Card Payoff Calculator — Find out how many months until your credit card is paid off — and how the minimum-payment trap costs you decades and multiples of your original balance.personal_loan_calculatorPersonal Loan Calculator with APR & Amortization — Calculate your personal loan monthly payment, total interest, and true effective APR including any origination fee. Full amortization schedule included. Supports Verifiable Calculation Certificates: pass certify=true to also recedti_calculatorDebt-to-Income (DTI) Ratio Calculator — Calculate your front-end and back-end debt-to-income ratio instantly. See how your debt load compares against the 36%, 43% QM, and 50% lender thresholds.saas_mrr_growth_calculatorSaaS MRR Growth Projection Calculator — Model SaaS MRR growth with monthly compounding: add new revenue, subtract churn, apply expansion. See projected ARR and months to any revenue milestone.cac_ltv_calculatorCAC : LTV Ratio Calculator — Calculate Customer Lifetime Value, LTV:CAC ratio with poor/fair/good/excellent verdict bands, CAC payback months, and monthly gross profit per customer.roas_calculatorROAS & Break-Even ROAS Calculator — Calculate ROAS and break-even ROAS instantly. Enter revenue, ad spend, and gross margin to see if your campaign is truly profitable — or just spending to spend.churn_rate_calculatorChurn & Retention Rate Calculator — Calculate monthly and annual customer churn, revenue churn, and net revenue retention. Compounding conversion and implied average customer lifetime included.payback_period_calculatorCAC Payback Period Calculator — Calculate your CAC payback period with simple and discounted methods. Find the month your customer acquisition cost is fully recovered, plus a cumulative chart.burn_rate_runway_calculatorBurn Rate & Runway Calculator — Calculate startup burn rate and cash runway. Gross vs net burn, default alive or dead verdict, and month-by-month cash balance simulation with revenue growth.product_pricing_calculatorProduct Pricing Calculator — Set the right selling price for your product. Enter fully-loaded unit cost — materials, labor, overhead, and platform fees — then choose a target margin.sales_tax_calculatorUS Sales Tax Calculator (by State) + Reverse — Calculate US sales tax by state. Add or strip tax from any price. Select a state to prefill the rate; all 50 states included. 2025 base rates — local rates varyRecent checks
Link
https://calcfleet.com/api/mcpQuestions about CalcFleet Calculators in Muse
How do I connect CalcFleet Calculators to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use CalcFleet Calculators to help me. It is a free service with an MCP server at https://calcfleet.com/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is CalcFleet Calculators working right now?
At the last check (September 28, 2026, 08:45 UTC) the endpoint was working, answering in 1040ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is CalcFleet Calculators safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can CalcFleet Calculators do in Muse?
It exposes 40 tools, including mortgage_overpayment_calculator, debt_payoff_calculator, freelance_hourly_rate_calculator, compound_interest_calculator. For example, you could ask Muse: "Calculate how much extra I need to pay monthly to pay off my mortgage five years early"
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