Precision Calculators

Calculators

From personal finance to science — accurate calculators for every situation.

All Precision Calculators

12 tools. Free. No signup.

Percentage Calculator

Calculate percentages, increases, decreases, and differences.

Calculate Body Mass Index with metric and imperial support.

Mortgage Calculator

Estimate monthly payments, total interest, and amortization schedules.

Scientific Calculator

Full-featured scientific calculator with history and memory.

Loan Calculator

Calculate loan repayments with variable rates and terms.

Estimate income tax, VAT, and net salary for multiple countries.

Calculate exact age in years, months, days from a birth date.

Split bills and calculate tips for any group size.

Date Difference Calculator

Find the exact number of days between any two dates.

Fuel Cost Calculator

Estimate fuel costs for road trips by distance and efficiency.

Compound Interest Calculator

See how investments grow with compound interest over time.

Calorie Calculator

Estimate daily calorie needs based on weight, height, and activity.