Nonprofit overhead allocation calculator

Calculate overhead allocated to each programme and total allocated overhead with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Choose the currency for these amounts. Changing it keeps your numbers and does not convert exchange rates.

Use overhead allocated to each programme and total allocated overhead to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Programme names, comma-separated
A,B
Programme direct costs in same order ($)
100,200
Overhead pools: name, amount $, programme driver weights joined by |
Rent,100,1|3 Admin,60,2|1
Overhead allocated to each programme ($)
A: 65.00; B: 95.00
Total allocated overhead ($)
$160.00
Direct plus allocated cost by programme ($)
A: 165.00; B: 295.00
Programme allocations within each pool ($)
Rent: 25.00, 75.00; Admin: 40.00, 20.00

Try another scenario

Programme names, comma-separated
A,B
Programme direct costs in same order ($)
100,200
Overhead pools: name, amount $, programme driver weights joined by |
Rent,100,1|3 Admin,90,2|1
Overhead allocated to each programme ($)
A: 85.00; B: 105.00
Total allocated overhead ($)
$190.00
Direct plus allocated cost by programme ($)
A: 185.00; B: 305.00
Programme allocations within each pool ($)
Rent: 25.00, 75.00; Admin: 60.00, 30.00
Calculation method

Calculation method

Overhead allocated to each programme ($)

Allocate every pool by its supplied driver weights using exact-cent largest remainders, then sum across pools.

Total allocated overhead ($)

Sum all pool amounts; every cent is allocated.

Direct plus allocated cost by programme ($)

Entered direct cost+allocated overhead per programme.

Programme allocations within each pool ($)

Show each pool’s allocation in supplied programme order.

Symbols and units
a
Programme names, comma-separated
b
Programme direct costs in same order ($)
c
Overhead pools: name, amount $, programme driver weights joined by |

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • A multi-pool cost-driver allocation under chosen weights. It does not determine acceptable indirect-cost rates or permission to charge a grant.
Are these inputs private?

These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.

Further reading

Charity Commission: funds and reserves background; no universal reserve target ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

Share this page
Share this calculator

Leave unchecked to share the page without your entered values.