How-To Guides
Step-by-step guides that teach you how to perform calculations manually.
How to Calculate Date Differences and Age by Hand
Learn how to calculate the exact number of days between two dates and determine your precise age manually with this easy, step-by-step guide!
Read guideHow to Calculate Sunrise and Sunset Times: Step-by-Step Guide
Learn how to calculate sunrise and sunset times by hand using the Sunrise Equation. Step-by-step math, formulas, and worked examples explained simply!
Read guideHow to Calculate Stopwatch Lap and Split Times Manually
Learn how to calculate split times, total elapsed time, and analyze fastest/slowest laps by hand with our easy, step-by-step math guide.
Read guideHow to Calculate a Countdown Timer Manually: Step-by-Step Guide
Learn how to calculate the exact days, hours, minutes, and seconds remaining until any future event with this easy, step-by-step guide!
Read guideHow to Calculate Work Hours: Step-by-Step Guide
Learn how to calculate your total work hours, including breaks and overtime, with this easy, step-by-step manual calculation guide.
Read guideHow to Calculate Time Manually: Step-by-Step Guide
Learn how to add, subtract, multiply, divide, and convert hours and minutes to decimals manually with our friendly, step-by-step math guide.
Read guideHow to Calculate Concrete Volume: Step-by-Step Guide
Learn how to calculate the exact amount of concrete you need for slabs, patios, and driveways. Easy formulas, worked examples, and pro tips!
Read guideHow to Calculate Hours & Minutes: Step-by-Step Guide
Learn how to add, subtract, and convert hours and minutes to decimal time manually with this easy, step-by-step guide.
Read guideHow to Calculate Hours and Minutes: Step-by-Step Guide
Learn how to add, subtract, and convert hours and minutes to decimal hours by hand with our easy, friendly step-by-step guide.
Read guideHow to Calculate Time: Step-by-Step Guide
Learn how to add, subtract, and convert hours, minutes, and seconds to decimal hours manually with this easy, step-by-step guide.
Read guideHow to Calculate the Difference Between Two Dates by Hand
Learn how to calculate the exact years, months, and days between any two dates by hand with this simple, friendly step-by-step guide!
Read guideHow to Calculate Your Wyoming Paycheck: Step-by-Step Guide
Learn how to calculate your Wyoming take-home pay manually. Step-by-step guide to calculating gross pay, FICA, and federal taxes with zero state income tax.
Read guideHow to Calculate Your Wisconsin Paycheck: Step-by-Step Guide
Learn how to calculate your Wisconsin take-home pay by hand. Step-by-step guide covering federal taxes, FICA, and Wisconsin state income tax brackets.
Read guideHow to Calculate Your West Virginia Paycheck: Step-by-Step Guide
Learn how to calculate your West Virginia take-home pay by hand. Step-by-step guide covering FICA, federal withholding, and WV state tax brackets.
Read guideHow to Calculate Your Washington Paycheck: Step-by-Step Guide
Learn how to calculate your Washington state take-home pay by hand. Master federal taxes, FICA, and the WA Cares Fund with our easy, step-by-step guide!
Read guideHow to Calculate Rhode Island Paycheck: Step-by-Step Guide
Learn how to calculate your Rhode Island take-home pay by hand. Step-by-step guide covering federal taxes, FICA, RI state tax, and TDI.
Read guideHow to Calculate Your Virginia Paycheck: Step-by-Step Guide
Learn how to manually calculate your Virginia take-home pay after federal, FICA, and state graduated taxes with our easy, step-by-step guide.
Read guideHow to Calculate Your Vermont Paycheck: Step-by-Step Guide
Learn how to calculate your Vermont take-home pay by hand. Master federal taxes, FICA, and Vermont state tax brackets with this friendly guide.
Read guideHow to Calculate Your Utah Paycheck: Step-by-Step Guide
Learn how to calculate your Utah take-home pay by hand. This step-by-step guide covers FICA, federal withholding, and Utah's flat state tax.
Read guideHow to Calculate Your Texas Paycheck: Step-by-Step Guide
Learn how to manually calculate your Texas take-home pay. Since Texas has no state income tax, you only need to calculate FICA and federal taxes!
Read guideHow to Calculate Your Tennessee Paycheck: Step-by-Step Guide
Learn how to calculate your Tennessee take-home pay by hand. Master federal taxes, FICA, and pre-tax deductions with our simple, friendly guide!
Read guideHow to Calculate Your South Dakota Paycheck by Hand
Learn how to calculate your South Dakota take-home pay by hand. With no state income tax, you only need to calculate federal and FICA taxes!
Read guideHow to Calculate Your South Carolina Paycheck: Step-by-Step Guide
Learn how to manually calculate your South Carolina take-home pay. Step-by-step guide covering federal taxes, FICA, and SC's graduated state tax.
Read guideHow to Calculate Your Pennsylvania Paycheck: Step-by-Step Guide
Learn how to calculate your Pennsylvania take-home pay by hand. Step-by-step guide covering federal tax, PA flat state tax (3.07%), local EIT, and FICA.
Read guideHow to Calculate Your Oregon Paycheck: A Step-by-Step Guide
Learn how to calculate your Oregon take-home pay by hand. Step-by-step formulas for federal, state, FICA, and statewide transit taxes.
Read guideHow to Calculate Your Oklahoma Take-Home Pay: A Step-by-Step Guide
Learn how to manually calculate your Oklahoma paycheck take-home pay. Easy step-by-step guide covering federal, state, and FICA tax deductions.
Read guideHow to Calculate Your Ohio Paycheck: Step-by-Step Guide
Learn how to manually calculate your Ohio take-home pay. Step-by-step guide to estimating federal, state, local (RITA), and FICA tax withholdings.
Read guideHow to Calculate a North Dakota Paycheck: Step-by-Step Guide
Learn how to calculate your North Dakota take-home pay by hand. Step-by-step formulas for federal taxes, FICA, and ND's low state income tax brackets.
Read guideHow to Calculate Your North Carolina Paycheck: Step-by-Step Guide
Learn how to manually calculate your North Carolina take-home pay. Step-by-step guide to FICA, federal withholding, and NC's flat state tax.
Read guideHow to Calculate Your New York Paycheck: A Step-by-Step Guide
Learn how to calculate your New York take-home pay by hand. Step-by-step guide to estimating federal, NY state, NYC local taxes, and FICA.
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