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생산성 도구

더 많이, 더 빠르게.

A broad set of free calculators and generators to handle everyday tasks. Work out loan and mortgage EMIs, GST and sales tax, ROI and profit, BMI and calories, and ages and time differences. Generate invoices, receipts, quotations, and SKUs for your business. Every calculator uses standard formulas and shows instant results, and nothing you enter is stored or uploaded.

Popular 생산성 도구

Markdown Preview
Write Markdown and see a clean, rendered preview side by side.
Used 1.5K timesUpdated never
Loan Calculator
Calculate monthly loan payments, total interest, and a full amortization schedule for any loan.
Used 1 timesUpdated 4 minutes ago
Break Even Calculator
Find how many units or how much revenue you need to cover fixed costs and break even.
Used 1 timesUpdated 17 minutes ago
Time Calculator
Calculate time differences and add or subtract hours, minutes, and seconds from any clock time.
Used 1 timesUpdated 8 minutes ago
Invoice Generator
Create professional invoices with line items, tax, and totals — preview, print, or download as PDF.
Used 1 timesUpdated 22 minutes ago
Quotation Generator
Create professional price quotations with line items, tax, and validity dates — preview, print, or download as PDF.
Used 1 timesUpdated 6 minutes ago
BMI Calculator
Calculate Body Mass Index from metric or imperial measurements with health-range guidance.
Used 0 timesUpdated never
Age Calculator
Calculate exact age in years, months, and days from a birth date, with next birthday countdown.
Used 0 timesUpdated never
EMI Calculator
Calculate loan EMI, total interest, and payment breakdown for any principal, rate, and tenure.
Used 0 timesUpdated never
Mortgage Calculator
Estimate monthly mortgage payments including principal, interest, taxes, insurance, PMI, and HOA.
Used 0 timesUpdated never
Currency Converter
Convert amounts between world currencies using live mid-market exchange rates.
Used 0 timesUpdated never
Unit Converter
Convert length, weight, temperature, volume, area, speed, time, data, pressure, force, energy, power, torque, density, and flow rate units instantly. Metric and imperial. Free, browser-based.
Used 0 timesUpdated never