Roof Span Calculator Type of Wood: SelectSpruce-Pine-Fir (SPF)Douglas FirSouthern Yellow PineHem-Fir Grade: SelectSelect StructuralNo. 1No. 2No. 3 Joist Size: Select2 x 42 x 62 x 82 x 102 x 12 Spacing (center to center): 12 inches16 inches19.2 inches24 inches Roof Live Load (psf): Roof Dead Load (psf): Calculate Reset Calculating your roof span… Roof Rafter/Joist … Read more
Resistor Divider Calculator Input Voltage (Vin): V Resistor R1: Ω Resistor R2: Ω Calculate Reset Calculating output voltage… Resistor Divider Results Vin R1 R2 Vout Output Voltage (Vout): – V Divider Ratio (R2 / (R1 + R2)): – Current Through Divider (I): – A Total Resistance (R1 + R2): – Ω Power Dissipated (P): – … Read more
Resistor Divider Calculator Input Voltage (Vin): V Resistor R1: Ω Resistor R2: Ω Calculate Reset Calculating output voltage… Resistor Divider Results Vin R1 R2 Vout Output Voltage (Vout): – V Divider Ratio (R2 / (R1 + R2)): – Current Through Divider (I): – A Total Resistance (R1 + R2): – Ω Power Dissipated (P): – … Read more
Recomp (Body Recomposition) Calculator Gender: Select GenderMaleFemale Age: Height (cm): Weight (kg): Current Body Fat (%): Activity Level: Select ActivitySedentary (little or no exercise)Light Exercise (1-3 days/week)Moderate Exercise (3-5 days/week)Heavy Exercise (6-7 days/week)Very Heavy Exercise (twice/day, extra heavy) Goal: Select GoalBody Recomp (lose fat & gain muscle)Lose FatGain Muscle Calculate Reset Calculating your recomp plan… … Read more
Punch Time Clock Calculator Add your punch times (24-hour format): + Add Punch Row Calculate Reset Calculating your work hours… Your Work Time Summary # In Time Out Time Worked Break Total Work Time 00:00 Total Break Time: 00:00 Net Work Time (excluding breaks): 00:00 How it works Enter your punch in and out times … Read more
Punch Clock Calculator Start Time: End Time: Breaks (total minutes): Hourly Pay Rate (optional): $ Rounding: No roundingRound to nearest 15 minutesRound to nearest 6 minutes (1/10 hr)Round to nearest minute Calculate Reset Calculating your work hours… Punch Clock Results Total Worked Time 0:00 Start Time: – End Time: – Total Breaks: 0 min Rounded … Read more
When working with belt-driven systems, knowing the exact pulley speed is crucial for performance, safety, and efficiency. Whether you’re designing machinery, repairing industrial equipment, or fine-tuning DIY mechanical projects, a Pulley Speed Calculator saves time and eliminates guesswork. This tool quickly calculates either the driven pulley RPM or the required driven pulley diameter based on … Read more
Pulley Ratio Calculator Driver Pulley Diameter: mmcminch Driven Pulley Diameter: mmcminch Driver Pulley RPM (Optional): Driven Pulley RPM (Optional): Calculate Reset Calculating pulley ratios… Pulley Ratio Results Calculated Pulley Ratio 0.00 Ratio (Driven : Driver): – Ratio (Driver : Driven): – Calculated Driven RPM: – Calculated Driver RPM: – How Pulley Ratio Works Pulley ratio … Read more
Pounds To Quarts Calculator Amount in Pounds (lbs): Select Material: — Select —WaterAll-purpose FlourGranulated SugarMilkVegetable OilHoneyCustom (Enter Density) Density (lb/quart): Calculate Reset Calculating conversion… Conversion Result Pounds: – Material: – Density Used (lb/quart): – Quarts: – About This Conversion Conversion from pounds to quarts depends on the material’s density. Water: 2.086 lb/qt · All-purpose Flour: … Read more
PODS Moving & Storage Estimate Calculator Move Type: Select Move TypeLocalLong Distance From ZIP Code: To ZIP Code: Home Size: Select Home SizeStudio/1 Bedroom2 Bedrooms3 Bedrooms4+ Bedrooms Storage Needed? NoYes Storage Duration (months): Moving Date: Calculate Reset Calculating your PODS estimate… PODS Estimate Summary Estimated Total Cost $0 Base Move Cost: $0 Estimated Storage Cost: … Read more
Plus Size Bra Size Calculator Underbust Measurement (inches): Bust Measurement (inches): Preferred Band Fit: Snug (firm support)Comfortable (standard fit)Loose (more relaxed) Breast Shape (optional for best suggestions): Select Shape (optional)Full All OverFull on TopFull on BottomEast WestAsymmetricShallowProjected Calculate Reset Calculating your ideal plus size bra… Bra Size & Fit Recommendations Your Suggested Bra Size – … Read more
Plus Size Bra Size Calculator Underbust Measurement (inches): Bust Measurement (inches): Preferred Band Fit: Snug (firm support)Comfortable (standard fit)Loose (more relaxed) Breast Shape (optional for best suggestions): Select Shape (optional)Full All OverFull on TopFull on BottomEast WestAsymmetricShallowProjected Calculate Reset Calculating your ideal plus size bra… Bra Size & Fit Recommendations Your Suggested Bra Size – … Read more
Planting Calculator Plant Type: Select PlantVegetableFlowerTreeShrubHerbCustom Area to Plant: m² Spacing Between Plants: cm Custom Planting Density (plants per m²): Row Spacing: cm Unit System: Metric (m, cm)Imperial (ft, in) Calculate Reset Calculating your planting plan… Planting Plan Results Total Plants Needed 0 Plants Per Row: 0 Number of Rows: 0 Recommended Planting Density: – … Read more
Plant Spacing Calculator Bed Length: meters Bed Width: meters Plant Spacing: cm Row Spacing: cm Unit System: Metric (meters, cm)Imperial (feet, inches) Calculate Reset Calculating optimal plant spacing… Plant Spacing Results Maximum Number of Plants 0 Plants per row: – Number of rows: – Row length: – Bed area: – Planting density: – How are … Read more
Plant Growth & Cost Calculator Plant Type: Select Plant TypeVegetableHerbFlowerTreeSucculent Number of Plants: Growth Period (weeks): Average Water Needed (liters/week per plant): Expected Yield per Plant (kg): Cost per Plant ($): Water Cost per Liter ($): Fertilizer Cost (total $): Expected Sale Price per kg ($): Calculate Reset Calculating your plant summary… Plant Summary & … Read more
PF Ratio Calculator Arterial PaO₂ (Partial Pressure of Oxygen): mmHg FiO₂ (Fraction of Inspired Oxygen): (as decimal, e.g., 0.21 for room air) Calculate Reset Calculating your PF ratio… PF Ratio Results – PaO₂ entered: – FiO₂ entered: – PF Ratio: – About PF Ratio The PaO₂/FiO₂ (PF) ratio is used to assess the severity of … Read more
Ontario Payroll Calculator Gross Income (Annual): $ Pay Frequency: AnnualMonthlyBi-WeeklyWeekly Province: Ontario Pensionable (CPP applies)? YesNo Insurable (EI applies)? YesNo Claim Basic Personal Amount? YesNo Calculate Reset Calculating your payroll details… Ontario Payroll Summary Net Pay $0 Gross Pay: $0 Federal Tax: $0 Ontario Tax: $0 CPP (Canada Pension Plan): $0 EI (Employment Insurance): $0 … Read more
Menopause is a natural stage in every woman’s life, usually occurring between the ages of 45 and 55. However, the timing and symptoms can vary greatly depending on genetics, lifestyle, and health factors. To provide clarity, the Online Menopause Age & Stage Calculator helps women estimate when they might experience menopause and better understand their … Read more
NY Toll Calculator Start Location: Select StartNYCAlbanyBuffaloSyracuseRochesterLong IslandOther End Location: Select EndNYCAlbanyBuffaloSyracuseRochesterLong IslandOther Vehicle Type: Select VehicleCar (2 axles)MotorcycleTruck (3+ axles)RV or Bus Do you have E-ZPass? YesNo One way or Round trip? One WayRound Trip Number of trips: Calculate Reset Calculating your NY tolls… NY Toll Calculation Results Total Toll Cost $0.00 Single Trip … Read more
The Navy Physical Readiness Test (PRT) is a critical measure of fitness for sailors. It evaluates overall health and readiness by assessing core strength, upper body endurance, and cardiovascular performance. To simplify the process of calculating results, the Navy PRT Calculator is designed to give accurate scores, grading, and performance status based on official Navy … Read more
Navy PFA Calculator Gender: SelectMaleFemale Age: Test Type: PlankCurl-ups Plank Time (mm:ss): Curl-ups (if performed): Push-ups (in 2 min): 1.5-Mile Run Time (mm:ss): Calculate Reset Calculating your Navy PFA results… Navy PFA Results Overall Performance – Run Time: – Push-ups Score: – Plank Score: – Curl-ups Score: – Run Score: – Total PFA Score: – … Read more
Mg/Kg Dose Calculator Body Weight: kglb Dosage per kg: mg/kg Number of Doses (optional): Concentration of Solution (optional): mg/ml Calculate Reset Calculating your dose… Mg/Kg Calculation Results Total Dose Required 0 mg Per Dose (mg): – Number of Doses: – Volume Required (ml): – Hint Always double-check your calculations and consult a professional for medical … Read more
Mercury Sign Calculator Date of Birth: Time of Birth (optional): Place of Birth (City): Country of Birth: Calculate Reset Calculating your Mercury sign… Your Mercury Sign Mercury was in – Date of Birth: – Place of Birth: – Mercury Sign: – Mercury Sign Traits Copy Results Share Results Astrology enthusiasts often focus on their sun, … Read more
Menopause Age Calculator Current Age: Mother’s Age at Menopause: Do you smoke? SelectNoYesQuit (>2 years ago) Have you had a hysterectomy or oophorectomy? SelectNoHysterectomy (uterus removed)Oophorectomy (ovaries removed) Did your period start before age 12? SelectNoYes Have you ever had chemotherapy or radiation? SelectNoYes Calculate Reset Estimating your menopause age… Menopause Age Estimate Estimated Age … Read more
Mcg To IU Calculator Amount: Convert From: mcg (micrograms)IU (International Units) Substance/Vitamin: Vitamin D (Cholecalciferol)Vitamin A (Retinol)Vitamin E (d-alpha-tocopherol)Insulin Calculate Reset Converting… Conversion Results Initial Value: – Converted Value: – Substance: – Conversion Formula Info Copy Results Share Results When it comes to health, nutrition, and medications, accuracy matters. One common challenge people face is … Read more
Maximum Muscle Potential Calculator Gender: Select GenderMaleFemale Height (cm): Wrist Circumference (cm): Ankle Circumference (cm): Current Weight (kg): Current Body Fat (%): Calculate Reset Calculating your maximum muscle potential… Your Maximum Natural Muscle Potential Maximum Lean Body Mass (kg) 0 kg Maximum Natural Weight at 10% Body Fat: 0 kg Potential Muscle Gain: 0 kg … Read more
LVL Beam Calculator Beam Span Length: ft Spacing Between Beams: ft Uniform Load (Live + Dead): psf Number of Plies: 1-ply2-ply3-ply4-ply LVL Depth: 9-1/4″ (235mm)11-1/4″ (286mm)14″ (356mm)16″ (406mm) LVL Width (per ply): 1-3/4″ (44mm)1-1/2″ (38mm) LVL Grade: 2.0E1.9E Calculate Reset Calculating your LVL beam requirements… LVL Beam Results Maximum Moment: – Maximum Shear: – Required … Read more
Life Insurance Need Calculator Annual Income Needed by Dependents: $ Number of Years Support Needed: Outstanding Debts (mortgage, loans): $ Education Funds Needed: $ Final Expenses (funeral, medical): $ Current Savings & Investments: $ Existing Life Insurance: $ Calculate Reset Calculating your life insurance needs… Recommended Life Insurance Amount Total Support for Dependents: $0 Debts … Read more
Leasing vs Buying Car Calculator Lease Details Lease Term (years): Monthly Lease Payment: $ Down Payment: $ Disposition Fee (at lease end): $ Annual Miles Allowed: Excess Mileage Charge (per mile): $ Estimated Miles Driven Per Year: Buy Details Car Price: $ Down Payment: $ Loan Term (years): Interest Rate (%): Sales Tax (%): Estimated … Read more
Lease vs Own Calculator Monthly Lease Payment: $ Lease Term (months): Lease Down Payment: $ Lease End/Disposition Fees: $ Purchase Price (if own): $ Down Payment (if own): $ Loan Interest Rate (% per year): Loan Term (months): Estimated Resale Value at End: $ Other Ownership Fees (tax, insurance, etc.): $ Calculate Reset Comparing your … Read more