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Estimate reading time and finish time for any text using word count, speed presets, and optional start time.

Instant word count, character count, sentence and paragraph stats, plus reading time for any text.

Calculate percent of a number, percent change, and increases or decreases.

Calculate the time between two dates or add/subtract days, hours, and minutes.

Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case.

Convert length, weight, temperature, and speed instantly.

Calculate business days between dates or add/subtract working days. Optionally exclude US federal holidays.

Convert annual salary to hourly, weekly, biweekly, and monthly pay—or hourly to annual.

Calculate profit, markup percentage, and gross margin from cost and price. Also convert markup and margin.

Estimate monthly loan payments, total interest, and amortization basics from loan amount, APR, and term.

Calculate Flesch Reading Ease and Flesch-Kincaid Grade Level from your text.

Calculate break-even units, break-even revenue, and profit at different sales volumes using fixed and variable costs.

Estimate investment or savings growth with compound interest and optional recurring contributions.

Calculate tip, total, and per-person split in seconds. Optional tax and rounding.

Calculate days until a date, days since a date, or a live countdown with optional time.

Calculate percent increase or decrease between two numbers.

Calculate return on investment, profit, and annualized ROI (CAGR).

Calculate compound annual growth rate (CAGR), total growth, and growth multiple.

Estimate how long it will take to reach a savings goal with monthly contributions and optional interest.

Calculate discount amount, sale price, total savings, and final total with optional tax and quantity.

Estimate payoff time, payoff date, total interest, and total paid from balance, APR, and monthly payment.