All Calculators

Find every Tuff Search calculator in one place – 83 calculators in 11 categories plus paycheck calculators for all 50 states and Washington, DC. Each one opens on its own page with instructions, the formula used and a worked example.

11 categories + paycheck Browse by category or A–Z

Desk calculator, pen and paper clips on a clean white desk

Formula on every pageInstructions + worked example

Browse by topic

Browse by category

Pick a category to see every calculator inside it.

Finance Calculators

401(k) growth, effective annual rate, basis points
Paycheck Calculators

State-by-state take-home pay for 2026
Health Calculators

Daily calories, fat and nutrient needs, keto macros
Daily Life Calculators

Engine compression ratio, RPM, wheel offset, crosswind
Sports Calculators

Bench press 1RM, dunk height, bike size and pace
Construction Calculators

Estimate asphalt tonnage, volume and cost for driveways
Math Calculators

Rounding, percent error, radicals, midpoint, synthetic division
Statistics Calculators

Normal and binomial distributions, dice probability
Biology Calculators

Dog and cat pregnancy due dates, dog heat cycles, cow gestation
Food Calculators

Coffee brew ratios, sourdough hydration
Marketing Calculators

Facebook, LinkedIn, TikTok and YouTube ad budgets, ROAS
Female Calculators

Period and ovulation dates, hair growth timelines, ring sizes

Paycheck Calculators (2026)

50 states + DC

Estimate take-home pay after federal income tax, Social Security, Medicare and state taxes. Start at the Paycheck Calculators hub or choose your state:

Paycheck Calculators hubAll 50 states and Washington, DC in one place

Open hub

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Finance Calculators

9 calculators

401(k) growth, effective annual rate, basis points, appreciation, take-home pay by state, labour cost and burn rate.

401 Appreciation Calculator Basis Point Calculator Burn Rate Calculator CPM Calculator CTR Calculator EAR Calculator Employee Turnover Rate Calculator Labour Cost Calculator

Health Calculators

14 calculators

Free health calculators for daily calories, fat and nutrient needs, keto macros, BMI goal weight, cholesterol ratio and military fitness test scores.

ACFT Calculator Body Shape Calculator Cardiac Output Calculator Chances of Having Twins Calculator Cholesterol Ratio Calculator DRI Calculator Face Shape Calculator Fat Intake Calculator Keto Calculator Mifflin-St Jeor Equation Calculator Navy PRT Calculator Reverse BMI Calculator Smoking Cost Calculator TDEE Calculator

Daily Life Calculators

10 calculators

Engine compression ratio, RPM, wheel offset, crosswind, cleaning costs, curtain and fabric sizes, exact age and tips.

Chronological Age Calculator Circle Skirt Calculator Compression Ratio Calculator Crosswind Calculator Curtain Size Calculator Fabric Calculator House Cleaning Cost Calculator RPM Calculator Tip Calculator Wheel Offset Calculator

Sports Calculators

8 calculators

Bench press 1RM, dunk height, bike size and pace, rowing erg splits, walking calories, batting average and fish weight.

Batting Average Calculator Bench Press Calculator Bike Pace Calculator Bike Size Calculator Dunk Calculator Erg Calculator Fish Weight Calculator Walking Calorie Calculator

Construction Calculators

1 calculator

Estimate asphalt tonnage, volume and cost for driveways, car parks and roads, plus labour cost for your crew.

Asphalt Calculator

Math Calculators

7 calculators

Rounding, percent error, radicals, midpoint, synthetic division, Cramer's rule and singular value decomposition.

Cramer's Rule Calculator Midpoint Calculator Percent Error Calculator Radical Calculator Rounding Calculator SVD Calculator Synthetic Division Calculator

Statistics Calculators

7 calculators

Normal and binomial distributions, dice probability, permutations, drop chance odds and relative risk.

Binomial Distribution Calculator Dice Average Calculator Dice Probability Calculator Drop Chance Calculator Normal Distribution Calculator Permutation Calculator Relative Risk Calculator

Biology Calculators

6 calculators

Dog and cat pregnancy due dates, dog heat cycles, cow gestation, cat age in human years and how big a puppy will grow.

Cat Age Calculator Cat Pregnancy Calculator Cow Gestation Calculator Dog Heat Cycle Calculator Dog Pregnancy Calculator Dog Size Calculator

Food Calculators

7 calculators

Coffee brew ratios, sourdough hydration, doughnut and ice cream recipes, pizza size value and how much popcorn to make for a party.

Coffee Calculator Coffee to Water Ratio Calculator Donut Calculator Ice Cream Calculator Pizza Size Calculator Popcorn Calculator Sourdough Calculator

Marketing Calculators

8 calculators

Facebook, LinkedIn, TikTok and YouTube ad budgets, ROAS, SEO cost and ROI, plus Shopify fees – with formulas and planning examples.

Facebook Ads Cost Calculator LinkedIn Ads Budget Calculator ROAS Calculator SEO Cost Calculator SEO ROI Calculator Shopify Fee Calculator TikTok Ads Budget Calculator YouTube Ads Budget Calculator

Female Calculators

5 calculators

Period and ovulation dates, hair growth timelines, ring sizes, childcare costs and the female delusion calculator.

Childcare Cost Calculator Female Delusion Calculator Hair Growth Calculator Period Calculator Ring Size Calculator

Every tool

A–Z list of calculators

All 83 live calculators in alphabetical order.

Ice Cream Calculator

Keto Calculator

YouTube Ads Budget Calculator

Can’t find the calculator you need?

We add new calculators regularly. Email suggestions@tuffsearch.com with the calculation you need.

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