10 Professional Calculators

Do the math.
Get the answer.

Finance, safety, fleet, and more. Pick a calculator and start punching.

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🏠
Mortgage Payment
Monthly payment, total interest, and full amortization breakdown
Finance
💰
Take-Home Pay
Estimate your net salary after federal tax, state tax, and deductions
Finance
📈
Compound Interest
See how your investment or savings grows over time
Finance
⛽
Fuel Cost
Trip cost and monthly fleet fuel expense estimator
Fleet
🛡️
TRIR / DART
OSHA Total Recordable Incident Rate and DART rate calculator
Safety
🚛
Fleet Cost Per Mile
Full cost-per-mile breakdown including fuel, maintenance, and depreciation
Fleet
⚙️
3D Print Cost
Filament cost, electricity, and labor pricing for your prints
Maker
📊
Severity Rate
Lost workdays per 100 FTEs — the third OSHA safety metric alongside TRIR and DART
Safety
💸
Injury True Cost
OSHA indirect cost multiplier reveals what a workplace injury actually costs your operation
Safety
🔥
Heat Index / OSHA Risk
Temperature + humidity → heat index, NIOSH risk level, and work/rest schedule
Safety
🏠
Mortgage Payment Calculator
Monthly payment, total interest paid, and amortization summary
$
$
%
Monthly Payment
$0
principal + interest
Loan Amount
$0
Total Interest
$0
Total Cost
$0
Payoff Year
—
💰
Take-Home Pay Calculator
Estimated net pay after federal tax, Social Security, and Medicare
$
%
$
Note: This is an estimate using 2024 federal tax brackets. State taxes vary. Always verify with a tax professional.
Monthly Take-Home
$0
annually: $0
Federal Tax
$0
FICA (SS+Med)
$0
401k / Year
$0
Effective Tax Rate
0%
📈
Compound Interest Calculator
Watch your money grow over time with compounding
$
$
%
Future Value
$0
after 20 years
Total Contributed
$0
Interest Earned
$0
Return on Investment
0%
Money Multiplier
0x
⛽
Fuel Cost Calculator
Trip cost and monthly fleet fuel expense estimator
mi
MPG
$
mi
Trip Fuel Cost
$0
0 gallons needed
Cost Per Mile (trip)
$0.00
Fleet Monthly Cost
$0
Fleet Annual Cost
$0
Gallons / Month
0
🛡️
TRIR / DART Calculator
OSHA Total Recordable Incident Rate and Days Away, Restricted, or Transferred Rate
How it works: TRIR = (Recordable Incidents × 200,000) ÷ Hours Worked. The 200,000 baseline represents 100 employees working 40hrs/week for 50 weeks.
Your TRIR
0.00
vs. industry average
Enter your numbers above
DART Rate
0.00
Industry Avg TRIR
3.5
Incidents per 100 Employees
0.00
Status
—
🚛
Fleet Cost Per Mile
Full cost-per-mile breakdown including all operating expenses
$
$
$
$
$
Total Cost Per Mile
$0.00
all-in per mile
Fuel CPM
$0.00
Labor CPM
$0.00
Monthly / Truck
$0
Annual / Truck
$0
⚙️
3D Print Cost Calculator
Filament cost, electricity, and labor — know your price before you hit print
g
$
g
hrs
W
$/kWh
$/hr
Total Print Cost
$0.00
$0.00 per gram
Filament Cost
$0.00
Electricity
$0.00
Labor Cost
$0.00
Suggested Sell Price
$0.00
Suggested sell price = cost × 3 (standard maker markup). Adjust based on your market.