Other Calculators

Free calculator for The Forge Roblox game. Calculate crafting costs, upgrade success rates, and trading profits. Optimize your gameplay with item tier analysis, material cost estimation, and market tax calculations.

Calculate return on investment (ROI) for trade school vs 4-year college. Compare total costs, graduation rates, time to degree, starting salaries, and lifetime earnings for electrician, plumber, HVAC, welding, nursing, and other skilled trades. Determine payback period and break-even point with 2025 tuition data and job market statistics.

Convert A1C (HbA1c) percentage to estimated average glucose (eAG) using ADA formula: eAG = 28.7 × A1C - 46.7. Input A1C value (4.0-15.0%) and instantly see eAG in mg/dL and mmol/L, diabetes risk category (Normal <5.7%, Prediabetes 5.7-6.4%, Diabetes ≥6.5%), target A1C recommendations, glucose reduction needed, and months to target. Includes 4 view modes: Calculator, Analysis (risk assessment), Ranges (ADA guidelines), and Guide (lifestyle management). Essential for diabetes monitoring, treatment adjustment, and blood sugar control optimization.

Accelerated Aging Calculator - Professional calculation tool.

Age-based allowance calculator using $1-per-year formula. Calculate weekly/monthly/yearly allowance by child age (4-18), include chore bonuses ($0.50/chore), adjust for regional cost of living (80-130%), apply 80/20 savings split, get age-appropriate chore lists, financial literacy milestones, hybrid chore-based vs unconditional allowance models, and transition strategies to teenage monthly budgets.

Calculate serum anion gap (AG) and albumin-corrected anion gap using Na⁺, Cl⁻, HCO₃⁻ electrolyte values. Formula: AG = Na - (Cl + HCO₃), normal range 8-12 mEq/L (traditional) or 3-11 mEq/L (modern without K⁺). Input sodium (135-145), chloride (96-106), bicarbonate (22-28), albumin (3.5-5.0 g/dL) and instantly see standard AG, corrected AG (adds 2.5 mEq/L per 1 g/dL albumin below 4.0), diagnostic category (Normal/High AG metabolic acidosis/Low AG), differential diagnosis (MUDPILES mnemonic), and compensation analysis. Essential for ICU/ER acid-base disorders, DKA, lactic acidosis, renal failure, and toxic ingestions.

Baby formula calculator by age using AAP 2.5 oz/lb guidelines. Calculate daily formula needs (max 32 oz), determine feeding frequency by age (8x newborn → 4x at 6+ months), compare formula costs (powder $0.12/oz vs concentrate $0.18/oz vs ready-to-feed $0.30/oz = $1,200/year savings), get safe preparation guides, water safety rules (boiling, Cronobacter prevention), storage times (2 hours room temp, 24 hours refrigerated), transition timeline (solids at 6 months, whole milk at 12 months), special formula options (soy/hypoallergenic), and WIC cost-saving strategies.

Calculate 2025 backdoor Roth IRA contributions: Convert $7,000 traditional IRA ($8,000 if 50+) to Roth via non-deductible contribution + immediate conversion. Estimate pro-rata tax rule impact (taxable portion = pre-tax IRA balance ÷ total IRA × conversion), conversion tax liability (ordinary income rate 10-37%), 5-year rule for qualified withdrawals. Ideal for high earners exceeding Roth income limits ($161k single, $240k married 2025). Avoid penalties, track Form 8606 (non-deductible basis), calculate break-even vs taxable account.

Calculate bitumen/asphalt quantities, material costs, and project expenses for paving (driveways, roads, parking lots) and roofing applications. Input area dimensions (feet/meters), thickness (inches/mm), select from 5 bitumen grades (Pen 40/50 to MC-30), adjust waste factor (5-25%), and get instant breakdowns: bitumen weight (tons/kg), aggregate weight, mix composition (5-8% bitumen, 92-95% aggregate), coverage rates (sq ft per ton), labor costs ($20-25/m²), equipment costs, and total project budget. Compare paving vs. roofing applications with industry-standard densities (2200-2400 kg/m³) for accurate 2025 material estimates.

Calculate your personalized body recomposition plan for simultaneous fat loss and muscle gain. Get precise macros, timeline projections, and science-based recommendations for transforming your physique without traditional bulking or cutting cycles.

Calculate albumin-corrected calcium to assess true calcium status in hypoalbuminemia. Formula: Corrected Ca = Measured Ca + 0.8 × (4.0 - Albumin g/dL). Input serum calcium (8.5-10.5 mg/dL), albumin (3.5-5.0 g/dL), and optionally ionized calcium (4.5-5.5 mg/dL) to instantly see corrected total calcium, ionized fraction estimate, diagnostic category (Hypocalcemia <8.5, Normal 8.5-10.5, Hypercalcemia >10.5), PTH relationship, and clinical significance. Essential for ICU/critical illness, cirrhosis, nephrotic syndrome, malnutrition, and cancer patients where low albumin falsely lowers total calcium but ionized calcium (active form) remains normal.

Calculate vehicle depreciation by make and model using actual market data and industry depreciation rates. Estimate your car's current value, future value after 1-10 years, annual depreciation percentage, and total value loss. Compare new vs used purchase costs, lease vs buy scenarios, and determine optimal selling time to minimize depreciation losses with 2025 market trends.

Calculate 2025 car lease buyout cost: residual value ($15k-35k typical 36-month lease) + buyout fee ($350-750) + sales tax (varies by state). Compare buyout vs market value using Kelley Blue Book/Edmunds (10-15% equity possible if under-mileage). Analyze financing options: manufacturer captive 5.9-8.9% APR vs credit union 4.5-7.5% for used auto loans. Account for early buyout discount (1-5% residual reduction months 30-36), lease-end wear charges avoided ($500-2,000), remaining warranty value. Calculate total ownership cost vs returning + buying used/new.

Compare total cost of leasing vs buying a car over 3-5 years. Calculate monthly lease payments ($200-600/month typical), purchase loan payments, maintenance costs (lease $500/year vs buy $1,200/year), insurance differences (lease 10-20% higher), mileage penalties ($0.15-0.30/mile over limit), lease-end fees ($400-600), and opportunity cost. Analyze break-even scenarios, equity building, and long-term ownership (10+ years favors buying). Factor in down payment, interest rates, residual value, and depreciation (60-70% in 5 years).

Estimate classic car market value (1920-2000 models) based on 8 key factors: make/model (Chevrolet Corvette $85K base, Porsche 911 $125K, Plymouth Cuda $110K, 20+ iconic models), condition rating (Concours 1.5x, Excellent 1.2x, Good 1.0x, Fair 0.6x, Project 0.3x), mileage impact (<10K miles +15%, >150K -30%), originality percentage (100% original +15%, 0% original -15%), modifications effect (period-correct -5%, extensive custom -40%), documentation level (full history/build sheet +15%, title only -8%), and market trend adjustment (-30% to +30%). Get instant valuation range (low/high estimates ±15%), detailed value breakdown showing all multipliers, 5-year appreciation forecast (5-7% annually for excellent condition), and comparison vs auction results. Covers American muscle cars, European sports cars, and pre-war classics with accurate 2025 market data.

Calculate weighted college GPA using 4.0/5.0 scales with letter grade conversion (A+ to F). Input courses with credit hours (1-6), grade points (A=4.0, A-=3.7, B+=3.3), and weight multipliers for honors (×1.0), AP/IB (×1.0-1.3), or college prep (×0.85-1.0). Compare cumulative GPA, semester GPA, major GPA, and transfer credit calculations. Includes grade point averages for merit scholarships (3.5+ GPA), dean's list (3.5-3.75), and Latin honors (3.7+ cum laude).

Calculate 2025 college ROI (Return on Investment) by major: STEM degrees 8-15 year payback (Engineering $75k-90k starting, 40yr earnings $3.2M-4.5M), Business 10-18 years ($55k-70k start, $2.5M-3.8M lifetime), Humanities 18-never ($35k-45k start, $1.8M-2.4M lifetime). Compare 4-year cost ($120k-280k public/private) vs lifetime premium over high school diploma ($1.2M avg). Factor in loans (6.5% federal rate 2025), opportunity cost (4 years lost wages $120k-160k), graduate school boost ($500k-1.2M additional). Analyze alternative ROI: trade school 2-3yr payback, coding bootcamp 1-2yr, apprenticeship immediate earnings.

Plan for college education with inflation-adjusted cost projections, 529 plan tax benefit analysis, and monthly savings recommendations. Calculate 4-year total costs for public in-state ($115k), out-of-state ($190k), or private ($241k) colleges. Track savings progress, get required monthly contributions to meet goals, and estimate state tax deductions plus federal tax-free growth benefits. Based on College Board 2024-2025 data and 1/3-1/3-1/3 funding strategy for 2025.

Calculate 2025 concrete volume and cost: Estimate cubic yards for slabs (length × width × depth ÷ 27), driveways, footings, columns, stairs. Convert inches to feet, account for waste (5-10% extra), calculate bags needed (80-lb yields 0.6 cu ft, 60-lb yields 0.45 cu ft). Estimate ready-mix cost ($125-150/yd³ delivered), labor ($2-8/sq ft), rebar ($0.75/sq ft), finishing ($3-15/sq ft). Plus driveway calculator (4-6" thick), patio calculator, foundation calculator.

Calculate concrete project costs including materials ($100-$150/cubic yard), labor ($50-$75/hour), forms, rebar, and finishing. Estimate costs for driveways, patios, foundations, and sidewalks with regional price adjustments.

Calculate consulting hourly rate based on desired annual income, billable hours (1,000-1,500/year), overhead costs, and profit margin. Compare project-based vs hourly pricing and value-based pricing strategies for consultants.

Diaper cost calculator from birth to potty training (30 months). Compare disposable vs cloth diapers, calculate monthly/yearly expenses by brand tier (budget $0.18/diaper vs premium $0.35), analyze break-even point (8-14 months), estimate total costs ($1,290-2,520 disposable vs $1,390 cloth), track environmental impact (7,000 diapers = 3,500 lbs landfill), optimize laundry frequency (3-7x/week), find bulk savings (Costco 40% off), and plan potty training timeline (24-36 months).

Calculate discount percentages, sale prices, and savings amounts with percentage-off analysis, original price calculation, and multi-discount stacking. Determine final price after single or multiple discounts, calculate discount rate from prices, and analyze total savings for retail shopping, business pricing, and promotional offers in 2025.

Calculate enterprise value and intrinsic stock price using DCF valuation model with 5-10 year free cash flow projections, terminal value (Gordon Growth Model or Exit Multiple), WACC discount rate, and sensitivity analysis for investment decisions and M&A valuations in 2025.

Calculate tax benefits and granting strategies for Donor Advised Funds (DAF). Analyzes cash vs appreciated stock donations, immediate vs bunching deductions, capital gains tax avoidance, and multi-year grant projections with investment growth. Compares DAF giving to direct donations showing total tax benefit and effective cost of giving.

Calculate DoorDash driver earnings after expenses and taxes. Estimate hourly net pay from base pay ($2-10/order), customer tips (15-20% avg), peak pay bonuses ($1-5/order), and challenges. Deduct gas ($0.30-0.60/mile), car depreciation ($0.20/mile), insurance ($100-300/mo), self-employment tax (15.3%), and income tax. Compare active time vs dash time, and optimize 2025 delivery strategy.

Calculate DuPont Analysis to decompose ROE into profit margin, asset turnover, and financial leverage. Identify which factors drive return on equity and compare performance across companies or time periods for investment analysis.

Calculate EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) from financial statements. Adjust for one-time expenses, owner compensation, and non-recurring items for accurate business valuation and comparison.

Calculate the optimal order quantity (EOQ) to minimize total inventory costs using the Economic Order Quantity model. Input annual demand (units/year), ordering cost per order ($50-$500 setup fees, shipping, processing), and holding cost per unit per year (storage, insurance, obsolescence, typically 15-35% of item value). The EOQ formula √((2 × Annual Demand × Ordering Cost) / Holding Cost) determines the ideal order size that balances ordering costs (more frequent small orders = higher) and holding costs (large infrequent orders = higher storage). Includes reorder point calculation ((Demand ÷ 365) × Lead Time Days + Safety Stock) to prevent stockouts, safety stock buffer based on demand variability (standard deviation) and service level (95%/99% in-stock probability), and total cost analysis showing the split between ordering costs ((Annual Demand ÷ EOQ) × Ordering Cost per Order) and holding costs ((EOQ ÷ 2) × Holding Cost per Unit). Displays orders per year (Annual Demand ÷ EOQ), days between orders (365 ÷ Orders per Year), and Z-score calculations for safety stock (Z × σ × √Lead Time). Essential for inventory managers, supply chain professionals, manufacturers, retailers, wholesalers optimizing stock levels, e-commerce businesses managing warehouse costs, and procurement teams reducing total logistics expenses while maintaining service levels.

Calculate lifetime electric vehicle savings vs gas cars for 2025. Compare total ownership costs: purchase price, federal tax credit ($7,500 new/$4,000 used), electricity ($0.15/kWh avg) vs gas ($3.50/gal), maintenance (50% less EV - no oil changes), insurance, depreciation, and 5/10/15-year break-even analysis. Includes Tesla Model 3, Chevy Bolt, Nissan Leaf, Ford F-150 Lightning comparisons.

Calculate your ideal emergency fund based on income, expenses, and job stability. Get personalized recommendations for 3-12 months of expenses with milestone tracking.

Calculate FSA rollover amount, use-it-or-lose-it risk, and optimal spending strategy. Understand 2025 IRS limits ($3,200 healthcare / $5,000 dependent care), $640 carryover maximum, 2.5-month grace period rules, and forfeiture prevention. Compare rollover policies (none/carryover/grace period), calculate monthly spending targets, tax savings (29.65% rate), and eligible expenses. Includes Dependent Care FSA special rules (no rollover allowed) and Qualifying Life Event (QLE) mid-year election change requirements.

Calculate total gas cost for road trips with multiple stops in 2025. Input trip distance (50-5,000 miles), vehicle MPG (10-50), gas price ($2.50-$6.00/gallon), and number of stops (1-20 destinations). Accounts for city vs highway MPG differences (15-30% variation), detour mileage (+10-50%), idle fuel consumption (0.2-0.5 gal/hr at rest stops), and elevation changes (mountain routes -20% MPG). Compare sedan (30 MPG), SUV (22 MPG), truck (18 MPG), and EV equivalent costs.

Calculate estimated Glomerular Filtration Rate (eGFR) using MDRD and CKD-EPI formulas. Diagnose chronic kidney disease (CKD) stages G1-G5 per KDIGO 2012 classification. Input age, gender, race, and serum creatinine (mg/dL or μmol/L) to estimate kidney function. Compare MDRD (accurate for GFR < 60, diabetic nephropathy) vs CKD-EPI (preferred 2021 NKF/ASN, accurate for GFR > 60). Includes CKD stage reference table, nephrology referral guidelines, GFR testing frequency, race-free 2021 equation update, and limitations (acute kidney injury, extremes of body size/muscle mass, pregnancy). Supports both Black/non-Black race coefficients.

Calculate total graduate school costs including tuition, living expenses, books, transportation, and opportunity cost. Estimate financial aid (assistantships, scholarships, loans), break-even years, and 30-year career ROI. Compare Masters ($25k-$50k/year, 2 years), Ph.D. ($30k-$60k/year, 4-6 years), and Professional degrees (MBA/JD/MD, $40k-$80k/year, 2-4 years) for 2025.

Calculate 2025 graduate school ROI: Master's degree costs $30k-120k (2 years), Ph.D. $60k-200k (5-7 years), MBA $80k-200k (2 years), vs lifetime earnings premium ($400k-$1.2M for Master's, $800k-$2M for Ph.D.). Estimate tuition, living expenses, opportunity cost (2-7 years lost wages $80k-$350k), loans (6.5-8% interest), break-even period (5-15 years post-graduation). Compare by field: STEM ROI 150-300%, Business 80-200%, Humanities 20-80%. Factor in scholarships, assistantships, employer sponsorship.

Calculate interest rate cap premiums and protection costs for commercial floating-rate loans (SOFR/LIBOR-indexed). Input loan amount ($1M-$50M), term (1-10 years), cap strike rate (2-10%), current reference rate (SOFR 0-8%), loan spread (0.5-5%), and rate volatility (10-50%) to estimate upfront cap premium using Black-Scholes caplet pricing model. Get instant breakdown: premium in dollars/basis points/percentage, break-even rate analysis, capped vs uncapped payment scenarios, 5-year cost comparison vs fixed-rate alternative, and rate rise scenario table showing cap payments at +1%, +2%, +3% rate increases. Essential tool for commercial real estate borrowers, corporate treasury teams, and CFOs managing interest rate risk on $5M+ variable-rate debt in 2025 rising-rate environment.

Compare professional movers vs DIY rental costs for local and long-distance moves. Calculate moving expenses based on home size (studio-4BR), distance, packing services (+45%), storage ($150-300/month), special items (piano $400, pool table $350, hot tub $600, safe $250), stairs surcharge ($75/flight), and seasonal pricing (peak May-Sept +20%). Includes time estimates (professional 1-14 days vs DIY 2-21 days), cost breakdown showing 40-60% DIY savings, hidden costs analysis ($1,520-5,450 total), insurance options (released value $0.60/lb vs full protection $200-500), tipping guidelines ($20-75/person), and 7 cost reduction strategies. Features comprehensive tables for local moves ($360-1,620), long-distance 500mi ($2,000-4,500), and cross-country 2,500mi ($6,000-13,500). Educational content covers professional vs DIY pros/cons, peak vs off-peak season timing, advance booking (8-12 weeks saves 15-30%), decluttering (30-50% belongings), mid-week/mid-month scheduling (20-40% cheaper), consolidated LTL shipping (40-60% cheaper), and negotiation strategies (10-20% room). Orange-Amber-Yellow gradient design with side-by-side comparison cards.

Calculate Net Unrealized Appreciation (NUA) tax benefits for employer stock in 401(k). Analyzes lump-sum distribution strategy: pay ordinary income tax on cost basis only (10-37%), then long-term capital gains on appreciation (0-20% + 3.8% NIIT) upon sale. Compares NUA vs IRA rollover (all taxed ordinary income), calculates total tax savings, and optimal distribution timing for maximum benefit.

Compare pension payout options with single-life annuity plus life insurance vs joint-and-survivor annuity for married couples. Calculate net income, survivor benefits, insurance premiums, and total lifetime payouts to determine optimal pension election strategy for maximum wealth transfer in 2025.

Twin pregnancy weight gain calculator based on IOM 2009 guidelines. Calculate recommended weight gain by BMI category (underweight 50-62 lbs, normal 37-54 lbs, overweight 31-50 lbs, obese 25-42 lbs), track weekly progress, monitor trimester-specific goals, assess nutritional needs (+600 cal/day, 150-175g protein), evaluate TTTS/preterm birth risks, and compare monochorionic vs dichorionic twins with evidence-based recommendations.

Calculate optimal daily protein intake for muscle growth based on body weight, training intensity, and goals. Recommends 0.7-1.0g/lb bodyweight (1.6-2.2g/kg) for muscle gain, analyzes protein timing (pre/post-workout windows), meal distribution (4-6 meals), leucine threshold (2-3g per meal), and protein sources (whey/casein/whole foods) for maximum muscle protein synthesis.

Calculate tax savings from Qualified Charitable Distributions (QCD) for IRA owners 70½+. QCD up to $105,000/year (2025) transfers directly from IRA to charity, satisfies RMD without increasing taxable income, avoids Medicare IRMAA surcharges, prevents Social Security taxation threshold breaches, and beats standard deduction for non-itemizers. Compares QCD vs regular withdrawal + donation strategies.

Convert SAT to ACT scores in 2025: Official concordance table maps SAT 1600-point scale to ACT 36-point composite. SAT 1570-1600 = ACT 36, SAT 1500-1560 = ACT 34, SAT 1400-1450 = ACT 31, SAT 1200-1220 = ACT 24 (national average). Estimate college admissions competitiveness, scholarship eligibility (merit-based thresholds), test retake strategy (target score gaps). Plus section score conversion (Math, Reading/Writing → ACT English, Math, Reading, Science), percentile ranking comparison (99th, 90th, 75th percentile).

Calculate scholarship award probability for 2025-2026 based on GPA (weighted/unweighted 2.0-4.0+), test scores (SAT 400-1600/ACT 1-36), demographics, extracurriculars. Estimate Expected Family Contribution (EFC) using FAFSA methodology (income, assets, family size) to predict merit-based ($500-full tuition) vs need-based aid ($1,000-$20,000/year) eligibility at 4,000+ colleges.

Calculate healthy screen time for kids in 2025 (AAP guidelines): Ages 0-18 months (0 hours except video chat), 2-5 years (1 hour/day high-quality), 6-12 years (1-2 hours/day), teens 13-18 (2-3 hours/day max). Estimate daily/weekly/monthly totals, break down by device (phone, tablet, TV, computer, gaming), identify excessive use (>4 hours = obesity/sleep risk), schedule screen-free zones (meals, bedtime 1 hour before sleep), balance with physical activity (60 min/day), track homework vs entertainment time.

Free 72(t) SEPP calculator for penalty-free early IRA withdrawals. Compare all 3 IRS-approved methods: RMD, Fixed Amortization, Fixed Annuitization. Calculate your substantially equal periodic payments before age 59½.

Convert daily steps to miles and kilometers with personalized stride length. Calculate distance for 10,000 steps (4-5 miles avg), estimate calories burned (300-500 cal), track fitness goals, and compare walking vs running stride (20-30% difference). Input height (4'10"-6'5") or measure custom stride (men 2.5 ft avg, women 2.2 ft) for accurate 2025 pedometer conversions.

Calculate TDEE (Total Daily Energy Expenditure) using Mifflin-St Jeor equation with activity multipliers. Determine calories needed for weight loss (-500 cal/day), maintenance, or muscle gain (+300 cal/day) based on your goals.

Calculate restaurant tips with customizable percentages (10-25%), split bills among 2-20 people, and see per-person totals instantly. Input bill amount, tip percentage, and party size to get total tip, final bill, and individual share breakdowns. Includes pre-set tip options (15%, 18%, 20%), custom percentage input, rounding options, and international tipping etiquette guide (US 15-20%, Europe 5-10% service compris). Essential for dining out, group meals, delivery orders, and service gratuity calculations. Supports currency formatting and tax-exclusive/inclusive calculations.

Calculate tire size compatibility for 2025 vehicles: Compare P-metric (P215/65R15), LT-metric (LT245/75R16), and Euro-metric (225/45R17) tire dimensions. Convert tire width (mm to inches), aspect ratio (sidewall height %), rim diameter (13-24 inches), overall diameter (24-35 inches), circumference, and revolutions per mile. Estimate speedometer error (±3% safe range), ground clearance change, compatibility with TPMS, rubbing risk. Plus-size calculator (+1, +2, +3 sizing), winter tire fitment guide.

Calculate daily water intake based on body weight (0.5-1 oz per pound), activity level, climate, and health conditions. Adjust for exercise (+16-24 oz per hour), caffeine consumption, and pregnancy/breastfeeding needs.

Plan your dream wedding within budget with 12 expense categories tracked in real-time. Follow the 45-12-8 allocation framework (45% venue/catering, 12% photography, 8% attire/flowers/music). Get per-guest cost analysis, budget overrun alerts, and proven strategies to cut costs 30-40% without sacrificing style. Based on 10,000+ real wedding budgets analyzed by The Knot and WeddingWire for 2025.

Calculate what percentage of the population meets your dating criteria with our viral Dating Standards Calculator. Based on US Census data, this tool shows your realistic dating pool size. Input height, income, education, fitness, and other preferences to see your delusion score.