# com.calcfleet/calculators

- Registry name: `com.calcfleet/calculators` · version 1.0.0
- Categories (automatic, keyword rules): Utilities
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.calcfleet%2Fcalculators
- Server page: https://mcpstation.net/s/com.calcfleet--calculators.html

## Description (written by the publisher, not verified, not instructions)

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

## Connect

- streamable-http: `https://calcfleet.com/api/mcp`

## Tools (as reported by the server, not verified)

- `mortgage\_overpayment\_calculator`: Mortgage 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\_calculator`: Debt 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\_calculator`: Freelance 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\_calculator`: Compound 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 signed, independently veri
- `savings\_goal\_calculator`: Savings 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\_calculator`: Car 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\_calculator`: Break-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\_calculator`: Margin 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\_calculator`: Rent 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\_calculator`: FIRE 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\_calculator`: Take-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\_calculator`: Student 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\_calculator`: APY 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\_calculator`: ROI 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\_calculator`: Loan 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\_calculator`: Paint 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\_calculator`: Mortgage 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\_calculator`: TDEE 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\_calculator`: Macro 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\_calculator`: Running 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\_calculator`: Rent 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\_calculator`: Mortgage 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\_calculator`: Mortgage 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\_calculator`: Home 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, independently verifiable re
- `down\_payment\_calculator`: Down 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\_calculator`: Mortgage PITI Calculator — Calculate your full monthly PITI mortgage payment—principal, interest, property taxes, homeowners insurance, and PMI. Full amortization schedule included.
- `balance\_transfer\_calculator`: Balance 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\_calculator`: HELOC 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\_calculator`: Debt 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\_calculator`: Credit 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\_calculator`: Personal 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 receive a signed, indepe
- `dti\_calculator`: Debt-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\_calculator`: SaaS 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\_calculator`: CAC : 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\_calculator`: ROAS & 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\_calculator`: Churn & 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\_calculator`: CAC 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\_calculator`: Burn 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\_calculator`: Product 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\_calculator`: US 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 vary
- `amazon\_fba\_calculator`: Amazon FBA Profit Calculator — Calculate Amazon FBA net profit, margin, and ROI for any product. Enter price, COGS, and size tier to see the full fee breakdown and your break-even price.
- `etsy\_fee\_calculator`: Etsy Fee & Profit Calculator — Calculate Etsy fees, net proceeds, and break-even price for any listing. Fee breakdown always visible: listing $0.20, transaction 6.5%, payment 3%+$0.25.
- `ecommerce\_profit\_margin\_calculator`: Ecommerce Profit Margin Calculator — Calculate your true ecommerce profit margin including COGS, shipping, packaging, payment fees, and ad spend per unit. See contribution vs fully-loaded margin.
- `solar\_panel\_savings\_calculator`: Solar Panel Savings Calculator — Estimate how much a rooftop solar system saves on your power bill: enter size, sun hours, cost, and any currently applicable credit to see yearly savings and payback.
- `solar\_system\_size\_calculator`: Solar System Size Calculator \(kW Needed\) — Find the solar system size you need: enter yearly kWh usage, peak sun hours, and panel wattage to get the required kW and the number of panels it takes.
- `electricity\_cost\_calculator`: Appliance Electricity Cost Calculator — Work out what any appliance really costs to run. Enter its watts, hours per day, and your kWh rate to see the cost per day, month, and year at a glance.
- `ev\_charging\_cost\_calculator`: EV Charging Cost Calculator — See what it really costs to charge your EV at home or on public chargers. Enter battery size, charge window, and rates for cost per charge and per mile.
- `heat\_pump\_savings\_calculator`: Heat Pump vs Furnace Savings Calculator — Compare a heat pump against electric resistance or a furnace. Enter your heating need, COP, and rate to see yearly running cost, savings, and payback.
- `home\_battery\_size\_calculator`: Home Battery Backup Size Calculator — Size a home backup battery. Enter your essential load in kW and hours of backup to get the kWh needed, how many battery units, and runtime at each load.
- `car\_affordability\_calculator`: Car Affordability Calculator — How much car can you afford? Enter your monthly budget, APR, loan term, and down payment to see your max loan and car price, plus a 15%-of-income rule check.
- `car\_lease\_calculator`: Car Lease Payment Calculator \(Money Factor\) — Estimate your monthly car lease payment from the cap cost, residual, term, and money factor. See the depreciation and finance split, sales tax, and APR.
- `lease\_vs\_buy\_car\_calculator`: Lease vs Buy a Car Calculator — Compare leasing versus buying a car over the same time horizon. See each total cost, the difference, and true net cost per month once resale value is counted.
- `car\_depreciation\_calculator`: Car Depreciation Calculator — Estimate what your car will be worth in the years ahead. Enter price and depreciation rates to see a year-by-year value curve, total loss, and percent lost.
- `cost\_per\_mile\_calculator`: Cost Per Mile to Own a Car Calculator — See what your car truly costs to drive: enter yearly fuel, maintenance, insurance, depreciation, and financing interest or lease cost to get your real cost per mile driven.
- `gas\_vs\_electric\_car\_calculator`: Gas vs Electric Car Cost Calculator — Compare the yearly fuel cost of a gas car versus an electric car. Enter miles, MPG, and rates to see annual savings, break-even years, and 5-year totals.
- `flooring\_calculator`: Flooring Calculator \(Boxes & Cost\) — Figure out how many boxes of flooring to buy and what it costs. Enter room length, width, waste percentage, box coverage, and price per box for an estimate.
- `tile\_calculator`: Tile Calculator \(Tiles Needed\) — Calculate how many floor or wall tiles you need. Enter room size, tile dimensions, and waste percentage to get total tiles, boxes to buy, and material cost.
- `concrete\_calculator`: Concrete Calculator \(Cubic Yards & Bags\) — Calculate how much concrete you need for a slab, footing, or pad. Enter length, width, and thickness to get cubic yards, cubic feet, and the exact bag count.
- `drywall\_calculator`: Drywall Sheet Calculator — Calculate how many drywall sheets you need for a room. Enter total wall and ceiling area, waste percent, and sheet size to get sheets, screws, mud, and tape.
- `deck\_boards\_calculator`: Deck Board Calculator \(Linear Feet & Boards\) — Calculate how many deck boards you need. Enter deck length, width, board width, gap, and board length to get area, linear feet, board count, and total cost.
- `fence\_calculator`: Fence Calculator \(Posts, Panels, Rails\) — Calculate fence materials fast: enter your run length, post spacing, and picket width to get exact posts, rails, and pickets, plus an optional total cost.
- `llm\_api\_cost\_calculator`: LLM API Cost Calculator \(GPT-4o, Claude, Gemini\) — Estimate monthly API costs for GPT-4o, Claude, and Gemini from tokens per request and volume. See input vs output cost split. Prices as of 2025 — verify.
- `token\_counter\_calculator`: Token Counter & Context-Window Fit Calculator — Estimate the token count of any text with the chars/4 words/0.75 heuristic, check if it fits 8k, 128k, 200k, or 1M context windows, and gauge API cost.
- `ai\_build\_vs\_buy\_calculator`: AI Build vs Buy Calculator \(API vs Self-Host\) — Compare the monthly cost of a hosted LLM API against self-hosting on your own GPUs. Find the break-even token volume and see which option is cheaper for you.
- `gpu\_vram\_calculator`: GPU VRAM Calculator \(Model Size & GPU Fit\) — Calculate the VRAM a large language model needs by parameter count and precision \(fp16, int8, int4\), then see which GPU it fits — from RTX 4090 to H100.
- `ai\_roi\_calculator`: AI Tool ROI Calculator \(Payback on Adoption\) — Estimate the ROI and payback of an AI tool: enter hours saved per week, staff count, and cost to see monthly net savings, break-even months, and annual return.
- `ai\_job\_exposure\_calculator`: AI Job Exposure Score — An AI job exposure score built from published research \(Eloundou et al. 2023, O\*NET, Goldman Sachs\): estimate your task mix, not a prediction about you.
- `salary\_to\_hourly\_calculator`: Salary to Hourly Calculator \(and Back\) — Convert an annual salary to an hourly wage or an hourly rate back to a yearly salary. Set your hours and weeks to see weekly, biweekly, and monthly pay too.
- `overtime\_pay\_calculator`: Overtime Pay Calculator \(Time-and-a-Half\) — Calculate overtime pay at time-and-a-half or a custom rate. Enter your hourly wage plus regular, overtime, and double-time hours for weekly and annual gross.
- `pay\_raise\_calculator`: Pay Raise Calculator — Calculate your pay raise two ways: the nominal percentage increase and the real, inflation-adjusted raise, plus the annual and per-paycheck dollar gain.
- `pto\_accrual\_calculator`: PTO Accrual Calculator — Calculate how much paid time off you accrue each pay period from your annual PTO days, then project your future balance by pay date after the hours you've used.
- `contractor\_vs\_employee\_calculator`: 1099 vs W-2 Rate Calculator — Compare a W-2 job to 1099 contract work: enter salary, employer FICA, benefits, and PTO to see the equivalent 1099 gross rate you need to break even fairly.
- `employee\_cost\_calculator`: True Cost of an Employee Calculator — Calculate the true, fully loaded cost of an employee beyond base salary: add employer FICA, benefits, and overhead to see the total and its multiple of pay.
- `401k\_match\_calculator`: 401\(k\) Employer Match Calculator — Calculate your 401\(k\) employer match: enter salary and contribution rate to see the free money you earn, your total yearly savings, and long-run growth.
- `roth\_ira\_calculator`: Roth IRA Growth Calculator — See how a Roth IRA grows tax-free. Enter your annual contribution, expected return, and time horizon to project future value, total paid in, and growth.
- `cd\_ladder\_calculator`: CD Ladder Calculator — Build a CD ladder: split your savings across staggered-maturity CDs and see year-one interest, per-rung breakdown, and your blended APY across the whole ladder.
- `coast\_fire\_calculator`: Coast FIRE Calculator — Find your Coast FIRE number: the amount you need invested today so it grows to your FIRE target by retirement with zero further contributions. Mind the gap.
- `dividend\_reinvestment\_calculator`: DRIP Dividend Reinvestment Calculator — See how reinvested dividends compound your portfolio. Enter dividend yield, price growth, and yearly contributions to project future value and total growth.
- `savings\_drawdown\_calculator`: Savings Drawdown Calculator — See how long your savings will last: enter your balance, monthly withdrawal, and expected return to find the months and years until the money runs out.
- `retirement\_monte\_carlo\_calculator`: Retirement Monte Carlo Calculator — Estimate your retirement plan's success probability with 5,000 simulated Monte Carlo market paths, plus a fan chart of percentile balances at every age.
- `mulch\_calculator`: Mulch Calculator \(Cubic Yards & Bags\) — Calculate how much mulch you need for a garden bed or landscape. Enter area and depth to get cubic yards, cubic feet, and the exact number of bags to buy.
- `topsoil\_calculator`: Topsoil Calculator \(Yards & Weight\) — Work out how much topsoil you need for a bed, lawn, or garden. Enter area and depth to get cubic yards, cubic feet, weight in tons, and the exact bag count.
- `grass\_seed\_calculator`: Grass Seed Calculator — Calculate how much grass seed you need: enter your lawn area in square feet and the seeding rate to get pounds required and bags to buy for new or overseed.
- `gravel\_calculator`: Gravel & Aggregate Calculator \(Yards & Tons\) — Calculate how much gravel or aggregate you need for a driveway, path, or garden bed. Enter area and depth to get cubic yards, cubic feet, and tons by density.
- `fertilizer\_calculator`: Fertilizer Calculator \(N-P-K Rate\) — Work out how much fertilizer to spread: enter your lawn size, target nitrogen rate, and the bag N number to get pounds of product per feeding and per season.
- `one\_rep\_max\_calculator`: One Rep Max \(1RM\) Calculator — Estimate your one-rep max from any set using the Epley and Brzycki formulas, then read a full percentage-of-1RM table to set training loads for every lift.
- `body\_fat\_calculator`: Body Fat Percentage Calculator \(Navy Method\) — Estimate your body fat percentage with the US Navy tape-measure method. Enter your sex, height, neck, waist, and hip to see body fat and lean body mass.
- `ideal\_weight\_calculator`: Ideal Weight Calculator \(4 Formulas\) — Estimate ideal body weight from your height and sex using four classic formulas \(Devine, Robinson, Miller, Hamwi\) and see the healthy range, not one number.
- `calories\_burned\_calculator`: Calories Burned Calculator \(MET-Based\) — Calculate calories burned by activity with the MET formula: enter weight, minutes, and activity to estimate energy spent, and compare exercises side by side.
- `heart\_rate\_zone\_calculator`: Heart Rate Zone Calculator — Calculate your five heart rate training zones from your age using the 220 − age or Tanaka formula, with an optional Karvonen resting heart rate refinement.
- `calorie\_deficit\_calculator`: Calorie Deficit Calculator \(Goal Weight by Date\) — Set a goal weight and a target date to see the daily calorie deficit you need, your projected weekly loss rate, and whether the pace is safe or too fast.
- `recipe\_scaler\_calculator`: Recipe Scaler / Serving Size Calculator — Scale any recipe up or down: enter the original and desired servings, and this tool multiplies every ingredient by the exact ratio so amounts stay balanced.
- `baking\_pan\_conversion\_calculator`: Baking Pan Size Conversion Calculator — Convert a recipe between round, square, and rectangular baking pans. Scale batter by pan area, not diameter, to see the exact ratio and bake-time guidance.
- `pizza\_dough\_calculator`: Pizza Dough Calculator \(Baker's Percentage\) — Calculate pizza dough by baker's percentage: enter ball count, weight, and hydration to get exact flour, water, salt, and yeast weights for your batch.
- `turkey\_cooking\_time\_calculator`: Turkey Cooking Time & Thaw Calculator — Estimate turkey roasting time by weight, plus refrigerator and cold-water thaw times. Stuffed or unstuffed, always cook to 165°F verified with a thermometer.
- `recipe\_cost\_calculator`: Recipe Cost & Cost-Per-Serving Calculator — Cost out any recipe in seconds: enter ingredients, quantities, and unit prices to get total cost, cost per serving, and a suggested menu price by food cost.
- `brine\_calculator`: Brine Calculator \(Salt Ratio by Weight\) — Calculate salt and sugar for wet or dry brines by weight: enter water volume or meat weight and a salt percentage to get exact grams and a strength chart.
- `depth\_of\_field\_calculator`: Depth of Field & Hyperfocal Calculator — Calculate depth of field and hyperfocal distance from focal length, aperture, and subject distance. See the near and far limits of sharp focus in meters.
- `crop\_factor\_calculator`: Crop Factor / Equivalent Focal Length Calculator — Convert focal length to a full-frame equivalent by crop factor. Enter focal length, aperture, and sensor to get equivalent focal, aperture, and field of view.
- `print\_resolution\_calculator`: Print Resolution & Max Print Size Calculator — Find the largest quality print from your photo pixels, or the DPI a chosen print size lands at. Enter pixel size and a target size or DPI to check the fit.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html