Online calculators · Page 14
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- Triangle calculatorHeron’s formula finds area from three sides. With semiperimeter s, area = √(s(s − a)(s − b)(s − c)).
- Triangle height calculatorTriangle height = twice its area divided by its base.
- Trim moulding calculatorCount stock lengths for separate trim runs when offcuts are not reused between runs.
- Turkey size calculatorPlan a whole turkey at the USDA reference of one pound per person, with an optional extra allowance you choose.
- Turkey thawing time calculatorPlan refrigerator thawing at about 24 hours per 4 to 5 pounds, or cold-water thawing at about 30 minutes per pound.
- Tv height calculatorPlace a screen center relative to seated eye height and calculate the top and bottom edges.
- TV size viewing distance calculatorCalculate the viewing distance that makes a flat screen fill your chosen horizontal field of view.
- TVM calculatorSolve the equal-period savings equation for future value, present value, payment, periods or interest rate.
- Twitch Bits to USD calculatorEstimate creator revenue from Bits at the published Cheer or eligible-extension revenue rate.
- Twitch payout calculatorAdd finalized creator earnings to your carried balance and compare the total with Twitch's payout threshold.
- Uncooked to cooked rice calculatorConvert dry and cooked rice volume using the USDA Food Buying Guide yield for the selected rice type.
- Unit circle calculatorFind the point (cosθ, sinθ) on the unit circle for an angle in degrees.
- Unit price calculatorUnit price = total price ÷ quantity.
- Unit price comparisonCompare two package prices after dividing each by its quantity.
- Unit rate calculatorUnit rate = total amount divided by the number of units.
- Unit vector calculatorDivide each component by the vector’s magnitude to get a unit vector in the same direction.
- UPS sizing calculatorVA rating scenario = watts ÷ power factor × reserve factor. Battery energy = watts × runtime hours ÷ efficiency.
- VA mortgage calculatorEstimate a VA purchase-loan payment, including the funding fee and your property-cost assumptions.
- Vector addition calculatorAdd matching components to find the sum of two vectors.
- Vector calculatorAdd and subtract matching vector components, then find their dot product and magnitudes.
- Vector magnitude calculatorVector magnitude is the square root of the sum of squared components.
- Vector projection calculatorThe projection of u onto v is ((u · v) ÷ (v · v)) × v.
- Vector subtraction calculatorSubtract each component of the second vector from the matching first-vector component.
- Vertex form calculatorConvert ax² + bx + c into a(x − h)² + k, where h = −b/(2a) and k = c − b²/(4a).
- VO2 max calculatorEstimate VO2 max with the Uth heart-rate ratio equation: 15.3 times maximum heart rate divided by resting heart rate.
- Voltage calculatorVoltage = current × resistance.
- Voltage divider calculatorUnloaded output voltage = input voltage × R2 ÷ (R1 + R2).
- Voltage drop calculatorTwo-wire DC or resistive single-phase loop: voltage drop = 2 × length × current × resistivity ÷ conductor area.
- Volume calculatorRectangular box volume = length × width × height. Surface area = 2 × (length × width + length × height + width × height).
- WACC calculatorWeight your equity and debt costs and apply your assumed tax shield to debt interest.
- Wainscoting layout calculatorDivide a wall into equal panel openings while keeping your chosen outer margins and spaces.
- Waist to height ratio calculatorDivide waist circumference by height using matching units.
- Waist to hip ratio calculatorDivide waist circumference by hip circumference using matching units.
- Wallpaper calculatorCount full wallpaper drops and rolls, rounding each drop up to your pattern repeat.
- Water intake calculatorCompare water from drinks and food with the National Academies adult total-water reference.
- Water velocity calculatorMean pipe velocity = volume flow rate ÷ circular cross-sectional area.
