Calculators
Calculators combine clearly labelled inputs with focused rules or formulas. This collection covers everyday arithmetic, BMI and compound growth references, elapsed dates, fixed-period IRR, and cheque amount wording.
Common uses
- Check everyday arithmetic before making a decision.
- Explore a simplified scenario and copy the numeric result for further work.
Calculators evaluate a formula rather than translate equivalent units. Their outputs are reference values and do not replace professional financial, medical, or legal advice.
All tools
- Percentage calculator
Calculate a percentage of a value.
- Discount calculator
Calculate final price and savings.
- BMI calculator
Calculate a body mass index reference.
- Compound interest calculator
Calculate reference compound growth.
- Date interval calculator
Calculate the days between two dates.
- IRR calculator
Calculate fixed-period IRR and its annualized equivalent.
- Cheque amount converter
Write a decimal amount in English and Chinese financial words.