Free Online Calculators & Estimators
High-precision calculation tools designed for e-commerce sellers, financial planners, fitness goals, and everyday math. Zero server latency and 100% private.
Marketplace & E-Commerce Calculators
Amazon FBA fees, Flipkart commission, Meesho payout, GST ITC, RTO return loss, and profit margins.
Financial Calculators
Mortgage, loan, auto loan, interest, amortization, investment, inflation, and tax calculators.
Fitness & Health Calculators
BMI, calorie TDEE, body fat, BMR, ideal weight, pace, pregnancy, and due date calculators.
Math & Scientific Calculators
Percentage, ratios, fractions, and instant mathematical solvers.
Shipping & Logistics Calculators
Dimensional weight, package volume, freight density, and pallet class estimators.
General & Everyday Calculators
Age calculation, calendar intervals, and everyday utility estimators.
Featured Calculation Tools
43 Free ToolsAmazon FBA & Easy Ship Fee Calculator
Estimate real Amazon seller referral fees, closing charges, and net profit margins per order.
Flipkart Seller Commission & Profit Calculator
Calculate your actual Flipkart seller settlement after commission, collection, and logistics deductions.
Meesho Margin & Payout Calculator
Model Meesho's 0% commission structure factoring in customer return buffers and logistics costs.
GST Input Tax Credit (ITC) Calculator
Calculate net GST payable or refundable after offsetting purchase ITC against sales output tax.
Return Loss & RTO Cost Calculator
Measure your monthly loss from undelivered orders, reverse freight fees, and damaged returned packaging.
Cash-on-Delivery (COD) Remittance Fee Calculator
Calculate the true cost of COD orders including courier handling charges and working capital delay costs.
Ad Spend ROAS Profitability Calculator
Determine your breakeven ROAS and calculate real net profit after accounting for product COGS.
Courier Volumetric Weight Calculator
Calculate package volumetric weight in kilograms to avoid courier dead-weight penalty charges.
E-Commerce Break-Even Point Calculator
Find the minimum number of units you must sell monthly to achieve zero financial loss.
Product Pricing & Markup Calculator
Ensure you never confuse markup with margin. Calculate optimal retail price for your target gross margin.
International Shipping Tariff Estimator
Estimate total landed cost for imported wholesale goods including customs duties and handling taxes.
Packaging Material Cost per Order Calculator
Calculate the cumulative cost of shipping boxes, bubble mailers, thermal labels, and tape per parcel.
Discount & Promotional Margin Cruncher
Model flash sale discounts to ensure promotional campaigns do not dip below your breakeven threshold.
Wholesale vs. Retail Tier Pricing Calculator
Establish sustainable wholesale price tiers that protect your manufacturing margin while offering distributor profit.
Storage & Warehousing Cost Estimator
Estimate monthly 3PL warehouse storage and fulfillment costs based on inventory cubic meters and order velocity.
Mortgage Calculator
Estimate your monthly home loan principal and interest payments.
Personal & Business Loan Calculator
Estimate monthly repayment and cumulative interest across any fixed loan term.
Auto Loan & Car Financing Calculator
Calculate car loan installments with trade-in values and down payments.
Compound Interest Calculator
Project investment account growth over time with monthly contributions.
Retirement Savings & 401(k) Calculator
Plan your retirement runway and calculate 4% rule safe monthly income.
Salary to Hourly Pay Calculator
Convert annual compensation into equivalent hourly wage and paycheck amounts.
Interest Calculator
Calculate accrued interest with simple vs compound monthly growth.
Loan Payment Calculator
Calculate exact fixed monthly repayments and lifetime total interest.
Amortization Calculator
Track how monthly payments shift from interest to equity over time.
Investment Growth Calculator
Model long-term wealth accumulation from regular deposits and compounding returns.
Inflation Calculator
Estimate future cost of living and purchasing power erosion over time.
Finance & TVM Calculator
Analyze cash flow timing, discount rates, and compounding financial growth.
Income Tax Calculator
Calculate progressive income tax bracket liabilities and effective rates.
Interest Rate & APR to APY Calculator
Understand the true cost of loans and true yield of savings across compounding frequencies.
Sales Tax Calculator
Calculate sales tax added to net purchases or extract tax from gross receipt totals.
Body Mass Index (BMI) Calculator
Check your body mass index and healthy weight ranges.
Daily Calorie & TDEE Calculator
Calculate basal metabolic rate and physical activity multipliers.
Body Fat Percentage Calculator
Calculate your body fat percentage with neck, waist, and hip circumference measurements.
Basal Metabolic Rate (BMR) Calculator
Determine your minimum resting daily calorie needs before physical activity.
Ideal Weight Calculator
Calculate clinical ideal body weight and healthy BMI target weight ranges.
Running Pace Calculator
Calculate running pace, speed, and split times for 5K, 10K, half, and full marathons.
Pregnancy Gestational Week Calculator
Track pregnancy progress week-by-week with trimester milestone timelines.
Pregnancy Conception Calculator
Estimate the probable date of conception and peak fertile ovulation window.
Pregnancy Due Date Calculator
Calculate expected delivery date based on last period, ultrasound, conception, or IVF.
Percentage Calculator
Quickly solve everyday percentage, discount, and tip math problems.
Dimensional Weight (DIM) Calculator
Compare physical scale weight against cubic dimensional weight for carton shipping.
Freight Density & Class Calculator
Calculate pallet density in PCF to find the correct NMFC freight class.
Chronological Age Calculator
Calculate precise time elapsed since any birth date.