Calculator™ © - Free Online Calculators

Online Calculators since 2009

- Irregular Prism Volume Calculator
- Ratio Finder
- Equivalent Ratio Calculator
- Ratio Subtraction Calculator
- Unit Rate Calculator
- Sig Fig Calculator
- Square Root Calculator
- Sharing Ratio Calculator
- Discover Math: Percentages Tutorials and Revision Guides
- Applications of Percentage in Banking. Simple and Compound Interest
- Percentage Increase and Decrease

This calculator adds a list of times together, this can be used for calculating man hours, labour times etc.

A Description column has been added for your reference.

Time format is dd:hh:mm:ss, where dd=days, hh=hours, mm=minutes and ss=seconds

A running total displayed for each row in both time format and the equivalent based on the drop down list.

You may also find the following Math calculators useful.

- Irregular Prism Volume Calculator
- Ratio Finder
- Equivalent Ratio Calculator
- Ratio Subtraction Calculator
- Unit Rate Calculator
- Sig Fig Calculator
- Square Root Calculator
- Sharing Ratio Calculator
- Discover Math: Percentages Tutorials and Revision Guides
- Applications of Percentage in Banking. Simple and Compound Interest
- Percentage Increase and Decrease
- Sig Fig Calculator